Uppers Gun Parts

(3,510 deals total)

This AR-15 complete upper receiver from Alpha Shooting Sports features a 16" Nitride treated barrel chambered in 5.56 NATO. The M16 bolt carrier group also features a Nitride finish and is built to withstand the rigors of excessive use with minimal maintenance. The Alpha full-length M-LOK-L handguard is free-floating and extra-light, with ample room for your favorite accessories. This Alpha Shooting Sports complete upper receiver features a 9310 MPI tested bolt assembly and has extended M4 feed ramps for reliable and consistent function.

DD Custom Arms 'Kajman' AR-15 Pistol Complete Upper Build Kit Featuring Davidson Defense Upper .223 Wylde 10.5" 4150 CMV QPQ Nitride 1-8T 10" M-Lok Handguard (Assembled or Unassembled) Caliber: This .223 Wylde Build Kit Presents The Perfect Solution To Getting That Same Versatile, Reliable Performance Out Of A 5.56 NATO Round, But From A Smaller, More Compact Package. With All The Upper Build Kit Options That We Have Here, Your Pistol Can Be Exactly As Agile, Mobile, Compact, And Loud As You Want It To Be.

Chambered in .300 AAC Blackout A3 flat-top forged 7075-T6 aluminum 10.5" 4150 chrome-moly steel barrel, nitride finish 9" free-float handguard with Hera Arms rails 5/8x24" muzzle thread for accessories M4 feed ramps 0.75" gas block Bolt carrier group and charging handle not included Item # WX2-652356 UPC: 600518151029

Caliber: 5.56 NATO Classification: Pistol Barrel: Kinetic Manufacturing 14.5" 5.56, Mid-Length, Government Profile, 1:7T, Nitride, 4150 CrMoV Twist Rate: 1:7T Thread Pitch: 1/2x28 Upper Receiver: Davidson Defense Mil-Spec AR-15 Upper w/ M4 Feedramps - 7075 T6 Aluminum Handguard: Davidson Defense 13" MLok Handguard Gas Block: Micro Low-Profile Gas Block for .750 O.D Barrel Steel Gas Tube: Mid Length Stainless Steel Gas Tube AR-15 AR-15 Muzzle Device: RISE Armament Veil Flash Hider .223/5.56, Black BCG: Recoil Technologies AR-15 5.56x45mm Bolt Carrier Group

Davidson Defense "Anti Mosaic" AR-15 Pistol Featuring Davidson Defense Upper 9mm 6" 4150 CMV Nitride 1:10T 4" M-Lok Gauntlet Arms Freefloat Handguard Complete Upper Build (Assembled or Unassembled) Caliber: - Caliber: 9mm / 9x19

3rd Gen Tactical 'Humboldt' AR-15 Billet Upper Receiver - Black Upper Receivers mount and house the barrel, handguard, and gas system in an AR-15 or LR-308/AR-10. Mil-Spec upper receivers are made to 'Military Specification' and are meant to either match or exceed the military requirements imposed onto the design for its service rifles. Mil-Spec Enhanced upper receivers feature all of the qualities of a 'Mil-Spec' upper receiver and incorporate various minor cosmetic, and design changes, externally, while retaining all of the features and functionality of a standard Mil-Spec upper receiver.

The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have.

This AR15 Complete Upper Receiver, paired with the ATLAS handguard streamlines the appearance of your next AR15 build by removing the Forward Assist. By combining our lightest handguards and barrel profiles with the No Forward Assist Upper Receiver you can maximize the weight savings for your next build. Specifications for Aero Precision AR15 5.56 Complete Upper Receiver: Color: Black Finish: Anodized Caliber: 5.56x45mm NATO Attachment/Mount Type: M-LOK Gun Rail: M-LOK Muzzle Device: A2 Flash Hider Gun Model: AR-15 Additional Features: Mid Length Barrel

SKU 5165449809 Brand Palmetto State Armory Model Number 5165449809 UPC 5165449809 DETAILS Barrel Length: 7.5" Gas System: Pistol Length Barrel Profile: Heavy Barrel Steel: 4150V Barrel Finish: Nitride Chrome Lining: None Muzzle Thread: 5/8-24 Chamber: 300AAC Blackout Twist Rate: 1:7 Barrel Extension: M4 Diameter at Gas Block: .750 Gas Block Type: Low-Profile Muzzle Device: A2 Style Flash Hider Receiver Material: Forged 7075 T6 Receiver Type: M4 Handguard Type: PSA 6" Lightweight M-Lok Free Float Rail Bolt Carrier Group Included: Yes Bolt Steel: Carpenter 158

Aero Precision APAR700305M7: This complete upper includes Aero Precision's new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Aero Precision's proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards. This complete upper does not include BCG or Charging Handle. Includes: M4E1 Threaded Assembled Upper Receiver

Aero Precision APAR712201C: The M4E1 Threaded Upper Receiver features an angular machined design that helps it stand apart from standard mil-spec upper receivers. It is threaded to accept a standard AR15 barrel nut and forged from 7075-T6 aluminum and precision machined to work with all mil-spec AR15 parts. The M4E1 features a picatinny profile, No Forward Assist, M4 feedramps, and .250 takedown pin holes. This model has a black hardcoat anodized finish. NOTE: This model does not include port door or forward assist. SPECS SKU ACC-AERO-APAR712201C Country of Manufacture

Aero Precision APAR700311M1: This complete upper includes our new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Aero Precision's proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards. This complete upper does not include BCG or Charging Handle. Includes: M4E1 Threaded Assembled Upper Receiver

ero Precision APAR538105M69: This complete upper includes our ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Aero Precision's proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards. This complete upper does not include BCG or Charging Handle. Includes: M5 (.308) Threaded Assembled Upper Receiver

ACC-AERO-APAR640231M5 Aero Precision APAR640231M5: This Complete Upper includes Aero Precision's Gen 2 Enhanced Handguard! Key features include the addition of quick disconnect sling sockets, enhanced milling design for grip and visual appeal and a new profile for the picatinny top rail. This complete upper does not include BCG or Charging Handle. Includes: M4E1 Enhanced Assembled Upper Receiver 12" Enhanced Gen 2 M-LOK Handguard 14.5" 5.56 Mid-Length CMV Barrel Low Profile Gas Block and Mid Length Gas Tube Product comes assembled

Davidson Defense "Troels" LR-308 Rifle Featuring Aero Precision Upper 6.5 Creedmoor 24" 416R SS Stainless 1:8T 17" M-Lok Gauntlet Arms Free Float Handguard Complete Upper Build (Assembled or Unassembled) Caliber: - Caliber: 6.5 Creedmoor / 6.5x48mm

Aero Precision M4E1 .300 BLK Complete Uppers are equipped with CMV medium profile barrels. Along with excellent fit and finish, these AR15 Upper Receivers from Aero Precision come with Gen 2 Enhanced free-float handguards with Picatinny top rail and your choice of rail types on the other 3 faces. These solid Aero Precision M4E1 Complete Uppers are compatible with standard AR15/M4 components and have been MPI and HP tested. Get more power and accuracy when you upgrade to one of these Aero Precision M4E1 .300 Blackout Complete Upper Assemblies.

PRODUCT DESCRIPTION Aero Precision APAR308721AC: The M5 .308 Assembled Upper Receiver comes with both the port door and forward assist hardware preinstalled. Forged from 7075-T6 aluminum, this assembled upper is precision machined to accept standard .308 components and is the perfect upper for your big bore build. Match this with an Aero Precision M5 .308 lower receiver for a solid and dependable fit. Features: M4 Feedramps .2795 takedown pin holes DPMS High Profile (.210) Tang Includes port door and forward assist Includes: M5 .308 Assembled Upper Receiver in Sniper Grey Cerakote

This complete upper includes our new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards. Specifications for Aero Precision M4E1 Threaded 5.56 w/ ATLAS S-ONE Handguard Complete Upper Receiver: Caliber: 5.56x45mm NATO Barrel Twist Rate: 1-7 Gun Rail: M-LOK

Foxtrot Mike Complete 5" 9mm Upper Receiver + BCG and Rear Charging Handle Details An great ready-to-go AR-15 9MM complete upper! Compact firepower in an AR-15 package - meet the Foxtrot Mike Complete 5" 9mm Upper Receiver – this complete upper boasts a 5" 9mm barrel, a blast diffuser for enhanced shooting comfort, M-LOK mounts on the handguard for personalized accessorizing, and the inclusion of a BCG and rear charging handle. With this upper, all that stands between you and a complete build is your lower receiver.

Aero Precision APAR502503M64: This AR15 Complete Upper features a 16" 5.56 Carbine Barrel with Pinned FSB and Magpul MOE Carbine HandguardUpper Features:Upper: Standard AR15 Upper ReceiverBarrel: 16" 5.56 Carbine Barrel with Pinned FSBHandguard: Magpul MOE Carbine HandguardGas System: Carbine Length Gas SystemMuzzle Device: Standard A2 Flash HiderThis complete upper DOES NOT include a BCG and Charging Handle. UPC#: 840014604593 Aero Precision APAR502503M64: This AR15 Complete Upper features a 16" 5.56 Carbine Barrel with Pinned FSB and Magpul MOE Carbine Handguard Upper Features:

This BCA AR-15 complete 5.56 Nato rifle length upper has a 16" M4 contour barrel with a 416R stainless finish, and features a 1:8 twist rate, with a carbine length gas system. It includes a 15" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, and a rear charging handle. This 5.56 Nato upper is compatible with any mil-spec AR-15 lower. More Information SKU 496N-UA556CM41618SS-15M3 Weight (lbs) 5.300000 Magazine Capacity N/A Length 16 Profile M4 Contour Twist 1:8 Finish Stainless Material 416R Stainless Steel Thread Pitch 1/2 x 28 Caliber 5.56 NATO

Davidson Defense "The Dolex" AR-15 Rifle Featuring Davidson Defense Upper .223 Wylde 17.1" 416R SS Stainless 1:18T 15" M-Lok Davidson Defense Free Float Handguard Complete Upper Build (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington

AR-74 5.45x39 16" MLOK UPPER ASSEMBLY / SLIP OVER BARREL SHROUDAR-74 5.45x39 16" MLOK UPPER ASSEMBLY / SLIP OVER BARREL SHROUD CA and NY compliant.Action: Semi-autoGas System: Carbine Length Gas SystemChamber: 5.45x39mmTwist Rate: 1/8, button rifledMuzzle Device: Slip over barrel shroud with multi port muzzle brake, 1/2X28Barrel: 16" 4150 CMV hbar contour, nitride finish, M4 feedramps, .750 low profile steel gas block and carbine length stainless steel gas tubeHandguard: Rifle-length MLOK Free Float, 15"A3 flat top upper receiver - Made from certified 7075-T6 aluminum forgings, black hardcoat

Elevate your AR-15 with our Black Anodized A2 Carry Handle Upper with Rear Sight, a testament to precision engineering and quality craftsmanship. This upper assembly not only enhances the aesthetics of your firearm but also delivers superior performance and functionality. The A2 Carry Handle Upper boasts a built-in rear sight, ensuring rapid and precise target acquisition. Its sleek black anodized finish not only looks great but also provides exceptional durability and protection against corrosion, making it a reliable choice for all shooting conditions.

Davidson Defense "Money Finder" AR-15 Pistol Featuring Davidson Defense Upper 9mm 6" 4150 CMV Nitride 1:10T 4 M-Lok Davidson Defense Freefloat Handguard Complete Upper Build (Assembled or Unassembled) Caliber: - Caliber: 9mm / 9x19

BUSHMASTER® M4A3 PATROLMANS CARBINE UPPER ASSEMBLY•Similar to the M4-type carbine but w/additional barrel length •4150 chrome moly-vanadium steel barrels features hard chrome lining in bore & chamber •Forged, lightweight 7075-T6 aircraft-quality aluminum & M16A2-designed receiver includes integral brass deflector, bolt catch assembly & raised ribs •Hard anodized finish •Factory headspaced, test-fired & ready-to-use Cal. Brl. 5.56 NATO/.223 Rem. 16"

SKU 777781B Brand Palmetto State Armory Model Number 777781B UPC 777781B DETAILS 16" Barrel Length 5.56 NATO Chamber 1 in 7" twist 4150V Chrome Moly Steel Barrel, Nitride Carbine-length Gas System M16 Full Auto Bolt Carrier Carpenter 158 Bolt Charging Handle ** These uppers will have cosmetic blemishes that do not affect function. This may include, but is not limited to, forging marks under the finish, scratches, slight variation in the finish color coat. FEATURES

DD Custom Arms "Boom Bop" AR-15 Rifle Featuring Anderson Mfg. Upper 9MM 16.5" 4150 CMV Nitride 1:10T 15" M-Lok Gauntlet Arms Free Float Handguard Complete Upper Build (Assembled or Parts Kit) Caliber: 9mm / 9x19 The 9mm caliber is one of the most widely used calibers. It's adaptable, has a low recoil, and can be used in a variety of situations. It's an extremely popular self-defense, range, handgun, and pistol caliber carbine (PCC) round. Your rifle will look good, and feel good, and recoil will be manageable with this 9mm Rifle Upper Build Kit. Barrel:

AR-15 300 Blackout 7.5" Mlok Upper Assembly / Blue Shroud / Blue Accents / CHExperience the advantages of the AR-15 300 Blackout 7.5" Mlok Upper Assembly / Blue Shroud by Moriarti Armaments.Chamber - 300 BlackoutBarrel Twist - 1x7Barrel Thread - 5/8x24Barrel Steel - 4150 Chrome Moly with Nitro-Met coating, CNC machined, M4 feedrampsMuzzle Brake - 300 BLACKOUT MICRO SLIP OVER BARREL SHROUD WITH MULTI PORT MUZZLE BRAKE /ANODIZED BLUE /1/2X285/8X24Handguard - 7" Hardcoat Anodized Mlok Free Float Gas Block - .750 Low Profile steel gas block, aircraft quality, hardcoat anodized; carbine size gas sy

Davidson Defense "Prusik V2" AR-15 Pistol Featuring Davidson Defense Upper .223 Wylde 10.5" 4150 CMV Nitride 1:8T 10 M-Lok Davidson Defense Freefloat Handguard Complete Upper Build (Assembled or Unassembled) Caliber: - Caliber: 5.56x45 NATO / .223 Remington

Aero Precision APAR610401C: The AR15 Stripped Upper Receiver is one of our most popular products. Forged from 7075-T6 aluminum, this stripped upper is precision machined to mil- spec M16/M4 specifications and features M4 feedramps. On this specific model, the forward assist provisions have been removed. Match this upper with one of our AR15 lower receivers for a solid and dependable fit. Note: The no-forward assist upper receivers use a custom forging designed to work specifically with mil-spec port doors. It may not work with aftermarket port doors. Features: M4 Feedramps

Davidson Defense "Strigoi" AR-15 Rifle Featuring Davidson Defense Upper 5.56 NATO 16.5" 4150 CMV Nitride 1:7T 15" M-Lok Gauntlet Arms Free Float Handguard Complete Upper Build (Assembled or Unassembled) Caliber: - Caliber: 5.56x45 NATO / .223 Remington

This BCA AR-15 complete .223 Wylde rifle length upper has a 16" straight fluted heavy barrel with a parkerized finish, and features a 1:8 twist rate, with a carbine length gas system. It includes a 15" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This .223 Wylde upper is compatible with any mil-spec AR-15 lower. More Information Color GI Green SKU 9338N-UA223WCHB1618PFTXG-15M3 Weight (lbs) 5.600000 Magazine Capacity N/A Length 16 Profile Heavy Barrel Twist 1:8 Finish Parkerized

This BCA AR-15 complete .223 Wylde rifle length upper has a 16" M4 contour barrel with a parkerized finish, and features a 1:8 twist rate, with a carbine length gas system. It includes the new 15" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This .223 Wylde upper is compatible with any mil-spec AR-15 lower.  More Information Color Flat Dark Earth SKU 9483N-UA223WCM41618PPFD-15M3 Weight (lbs) 5.300000 Magazine Capacity N/A Length 16 Profile M4 Contour Twist 1:8 Finish Parkerized

Caliber: 5.56 NATO Classification: Pistol Barrel: Kinetic Manufacturing 14.5" 5.56, Mid-Length, Government Profile, 1:7T, Nitride, 4150 CrMoV Twist Rate: 1:7T Thread Pitch: 1/2x28 Upper Receiver: Davidson Defense Mil-Spec AR-15 Upper w/ M4 Feedramps - 7075 T6 Aluminum Handguard: Davidson Defense 13" MLok Handguard Gas Block: Micro Low-Profile Gas Block for .750 O.D Barrel Steel Gas Tube: Mid Length Stainless Steel Gas Tube AR-15 AR-15 Muzzle Device: RISE Armament Veil Flash Hider .223/5.56, Black BCG: Recoil Technologies AR-15 5.56x45mm Bolt Carrier Group

Caliber: 5.56 NATO Classification: Pistol Barrel: Kinetic Manufacturing 14.5" 5.56, Mid-Length, Government Profile, 1:7T, Nitride, 4150 CrMoV Twist Rate: 1:7T Thread Pitch: 1/2x28 Upper Receiver: Davidson Defense Mil-Spec AR-15 Upper w/ M4 Feedramps - 7075 T6 Aluminum Handguard: Davidson Defense 13" MLok Handguard Gas Block: Micro Low-Profile Gas Block for .750 O.D Barrel Steel Gas Tube: Mid Length Stainless Steel Gas Tube AR-15 AR-15 Muzzle Device: Strike Industries AR-15 5.56/.223 Venom Muzzle Brake BCG: Recoil Technologies AR-15 5.56x45mm Bolt Carrier Group

Quick Overview SKU: 5165450023 UPC: 5165450023 MFR#: 5165450023 Barrel Length: 16" Gas System: Mid-length Barrel Profile: A2 Style Barrel Steel: 416R Barrel Finish: Stainless Steel Chrome Lining: None Muzzle Thread: 1/2-28 Chamber: 5.56 NATO Twist Rate: 1:7 Barrel Extension: M4 Diameter at Gas Block: .750 Gas Block Type: Low-profile Muzzle Device: A2 Flash Hider Receiver Material: Forged 7075 T6 No T-marks Receiver Type: M4 Handguard Type: PSA 13.5" Lightweight M-Lok Free Float Rail Bolt Carrier Group Included: Yes Bolt Steel: Carpenter 158

Found exclusively at Primary Arms, Expo Arms represents the best combinations of AR15 upper and lower receivers, AR aftermarket accessories, and parts at unbelievable prices and superior functionality. If you're a budget-builder and in the market for a complete AR-15 upper receiver, this Expo Arms Combat Series upper with a 16-inch barrel chambered for 5.56 NATO rounds and sporting an Expo Arms 6315 flash hider is a perfect upper for your build. Features: - Barrel Length: 16 Inches - Barrel Finish: Nitride - Barrel Contour: SOCOM - Barrel Material: 41V50 Stainless Steel

This .22LR / 9mm / .40 upper receiver assembly is made fro m forged 7075-T6 aluminum and is Hard Coat Anodized. It meets military specifications and comes in a slick side configuration. The ejection port door is sized for 9mm, .40, and 22LR. This upper does not have a forward assist. Machined from a Mil-Spec 7075 T6 forging Type III Hardcoat Anodized finish Please Note: These uppers are only compatible with .22LR and smaller pistol caliber rounds, such as 9mm and .40 Product Code: AND-PCC-3

Product #: 108791 Manufacturer #: AR15EBU-FA-6-15-ML-R Features Machined from solid 6061-T6 Aluminum Type III Anodized Precise Drop-In Fit Modern Sleek Design 15" Handguard Compatible with Low Profile Gas Block Handguard Internal diameter of 1.360"

SKU 5165457990 Brand Palmetto State Armory Model Number 5165457990 UPC 5165457990 DETAILS PSA 16" MID-LENGTH 5.56 NATO 1:7 NITRIDE CLASSIC UPPER WITH BCG & CH, FDE Barrel Length: 16" Barrel Profile: A2 Barrel Steel: Chrome Moly Vanadium Barrel Finish: Nitride Chrome Lining: No Muzzle Thread Pattern: 1/2" x 28 Twist Rate: 1 in 7" Barrel Extension: M4 Gas System Length: Midlength Diameter at Gas Block: .750" Gas Block Type: F-marked Front Sight Base Muzzle Device: A2 -style Receiver Material: Forged 7075-T6 Receiver Type: M4

SKU: FM-GEN2-13.9UPR-XP MPN: FM-GEN2-13.9UPR-XP The Foxtrot Mike Products FM-15 Gen 2 Side Charging AR-15 Upper Receiver features a unique dual spring recoil system nested in the top of the upper receiver allowing the use of a folding stock. This recoil system is paired with a mid-length direct impingement gas system and a proprietary lightweight bolt carrier group for a smooth and reliably functioning rifle. The gas block features an indexing pin and a coil pin to keep it locked in place against the lightweight contoured barrel for an extremely robust system. Features:

Caliber: 5.56 NATO Classification: Pistol Barrel: Kinetic Manufacturing 14.5" 5.56, Mid-Length, Government Profile, 1:7T, Nitride, 4150 CrMoV Twist Rate: 1:7T Thread Pitch: 1/2x28 Upper Receiver: Davidson Defense Mil-Spec AR-15 Upper w/ M4 Feedramps - 7075 T6 Aluminum Handguard: Davidson Defense 13" MLok Handguard Gas Block: Micro Low-Profile Gas Block for .750 O.D Barrel Steel Gas Tube: Mid Length Stainless Steel Gas Tube AR-15 AR-15 Muzzle Device: Strike Industries AR-15 5.56/.223 Venom Muzzle Brake BCG: Recoil Technologies AR-15 5.56x45mm Bolt Carrier Group

SKU 516551628436 Brand Palmetto State Armory DETAILS Long Stroke Gas Piston Operating System 8620 Front Trunnion 4340 Carrier 7 Lug Shot Peened Carpenter 158 Bolt Monolithic 6105 Receiver; FDE 13.7” 5.56 Nato Nitride 4150V Chrome Moly Steel Barrel Twist Rate: 1 in 7” Thread Pitch: 1/2x28" JMAC Customs GFHCE-28-S-KM Muzzle Device Pin & Welded Cerakoted Flat Dark Earth

SKU 51655152084 Brand Palmetto State Armory DETAILS - Barrel Length: 10.5" - Barrel Profile: M4 - Barrel Steel: Cold Hammer Forged Chrome Moly Vanadium - Barrel Finish: Phosphate - Chrome Lining: Yes - Muzzle Thread: 1/2" - 28 - Chamber: 5.56 NATO - Twist Rate: 1 in 7" - Barrel Extension: M4 - Gas System Length: Carbine - Diameter at Gas Block: .750" - Gas Block Type: F-marked FSB - Muzzle Device: A2-style - Receiver Material: Forged 7075 T6 - Receiver Type: M4 - Hand guard Type: M4A1 Quad Rail with Rail Covers - Bolt Steel: Carpenter 158

Davidson Defense "Megara" AR-15 Pistol Featuring Davidson Defense Upper9mm 4" 4150 CMV Nitride 1:10T4" M-Lok Gauntlet Arms Freefloat HandguardUpper Build Kit (Assembled or Unassembled) Caliber:Caliber: 9mm / 9x19A 9mm AR pistol might be the most fun of all the ways to shoot one of the most popular calibers. In an AR platform that is more compact and mobile than a full rifle build, you have the same low recoil versatility that 9mm offers.

"DD 14.5" Upper Build Kit Featuring Rise Flash Hider" AR-15 Pistol Featuring Davidson Defense Upper 5.56 NATO 14.5" 4150 CMV Nitride 1:7T 13" M-Lok Davidson Defense Freefloat Handguard Upper Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington

Description RAIL SHIELDS AND ACCESSORIES ARE GREY FOR THIS BATCH OF UPPERS, NOT BLACK! Griffin Armament’s MK1 Upper offers premium features and reliability to each user and allows end users to configure their upper to fit their needs. Standard and available features:

Davidson Defense "Immram" LR-308 Rifle Featuring Davidson Defense Upper .308 WIN 20" 4150 CMV Nitride 1:10T 17" M-Lok Gauntlet Arms Free Float Handguard Complete Upper Build (Assembled or Unassembled) Caliber: - Caliber: .308 Winchester / 7.62x51 NATO If you love the AR platform but are looking to use a round that reaches further and has more power, this LR-308 Upper Build Kit is a great option at a great price. Our .308 Winchester LR-308 Rifle Upper Build Kits take the hassle out of building your custom firearm. Barrel: - Barrel:

SPECIFICATIONS: Brand: Davidson Defense Model: Upper with M4 Feedramps - 7075 T6 Aluminum Platform: AR-15 Type: Forged Material: 7075-T6 Style: Mil-Spec Caliber Compatibility: Standard Rifle Allows Anti Rotation Tabs: Yes Upper Section: Picatinny Rail Finish: Anodized Forward Assist Compatible: Yes Forward Assist Pin Type: Roll Pin Dust Door Compatible: Yes M4 Feed Ramps: Yes Color: Black Weight: 6.96 oz

UPPER RECEIVER: AR-10 DPMS Gen 1 Style Billet Aluminum, Type III Hardcoat Anodized Black with Forward Assist and Ejection Port Cover Installed BARREL: 7.75 inch, 8.6 Blackout Caliber, 4150 Chrome Moly Vanadium Steel, 1:3 Twist, Medium Profile, Nitride/Melonite Treated - made by Pro2A Tactical HANDGUARD: 7 inch AR-10 M-LOK Free Floated, Machined out of 6061 T6 Aluminum – made for us by Bowden Tactical GAS SYSTEM: Pistol Length, Direct Impingement, Stainless Steel Tube GAS BLOCK: Low Profile Gas Block, Machined out of 4140 Steel

Davidson Defense "Sehnsucht" AR-15 Rifle Featuring Davidson Defense Upper 5.56 NATO 16" 4150 CMV Nitride 1:8T 15" M-Lok Gauntlet Arms Free Float Handguard Complete Upper Build (Assembled or Unassembled) Caliber: - Caliber: 5.56x45 NATO / .223 Remington

This BCA AR-15 complete 350 Legend rifle length upper has a 20" heavy barrel with a parkerized finish, and features a 1:16 twist rate, with a carbine length gas system. It includes a 15 1/4" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected). This 350 Legend upper is compatible with any mil-spec AR-15 lower. This has the new handguard. More Information SKU 992N-UASCH350LCHB20116P-15M3 Weight (lbs) 5.850000 Magazine Capacity N/A Length 20 Profile Heavy Barrel Twist 1:16 Finish Parkerized

DD Custom Arms "Crenulate" LR-308 Rifle Featuring Davidson Defense Upper .308 WIN 20" 4150 CMV Nitride 1:10T 15 M-Lok Lakota Ops Freefloat Handguard Complete Upper Build (Assembled or Unassembled) Caliber: - Caliber: .308 Winchester / 7.62x51 NATO If you love the AR platform but are looking to use a round that reaches further and has more power, this LR-308 Upper Build Kit is a great option at a great price. Our .308 Winchester LR-308 Rifle Upper Build Kits take the hassle out of building your custom firearm. Barrel: - Barrel:

Davidson Defense "Flint Cloud" AR-15 Pistol Featuring Davidson Defense Upper 5.56 NATO 7.5" 4150 CMV Nitride 1:7T 7" M-Lok Davidson Defense Free Float Handguard Complete Upper Build (Assembled or Unassembled) Caliber: - Caliber: 5.56x45 NATO / .223 Remington

Product #: 935608 Manufacturer #: 60BAB0C-AB UPC #: 810103479104 NOTE: The pre-production image in the October flyer is incorrect. This Upper Receiver Assembly features a lightweight M-LOK rail with full-length Picatinny top rail and an A2 flash hider as shown here.

SKU 516446782 Brand Palmetto State Armory Model Number 516446782 UPC 516446782 DETAILS Barrel Length: 16" Gas System: Mid-length Barrel Profile: A2-style Barrel Steel: Chrome Moly Barrel Finish: Nitride Chrome Lining: None Muzzle Thread: 1/2-28 Chamber: 5.56 NATO Twist Rate: 1:7 Barrel Extension: M4 Diameter at Gas Block: .750 Gas Block Type: Low-profile Muzzle Device: A2 Flash Hider Receiver Material: Forged 7075 T6 Receiver Type: M4 Hand guard Type: PSA 13.5" Lightweight M-Lok Free Float Rail Bolt Carrier Group Included: No Bolt Steel: N/A

Davidson Defense "Pallid" AR-15 Rifle Featuring Davidson Defense Upper 9mm 16" 4150 CMV Nitride 1:10T 15" M-Lok Gauntlet Arms Free Float Handguard Complete Upper Build (Assembled or Unassembled) Caliber: - Caliber: 9mm / 9x19 The 9mm caliber is one of the most widely used calibers. It's adaptable, has low recoil, and can be used in a variety of situations. It's an extremely popular self-defense, range, handgun, and pistol caliber carbine (PCC) round. Your rifle will look good, feel good, and recoil will be manageable with this 9mm Rifle Upper Build Kit. Barrel: - Barrel:

Davidson Defense "Strong Arm" AR-15 Rifle Featuring 3rd Gen Tactical Upper 10MM 16" 4150 CMV Nitride 1:16T 15 M-Lok 3rd Gen Tactical Freefloat Handguard Complete Upper Build (Assembled or Parts Kit) Barrel: ELD Performance 16" 10MM, MED PROFILE,1:16 RH TWIST, 4150 CrMoV, BLACK NITRIDE FINISH, AR-15 BARREL, 5/8 - 24 MUZZLE THREAD

Davidson Defense "The Philosphist" AR-15 Rifle Featuring Davidson Defense Upper 10MM 16" 4150 CMV Nitride 1:16T 15" M-Lok Davidson Defense Free Float Handguard Complete Upper Build (Assembled or Parts Kit) Barrel: ELD Performance 16" 10MM, MED PROFILE,1:16 RH TWIST, 4150 CrMoV, BLACK NITRIDE FINISH, AR-15 BARREL, 5/8 - 24 MUZZLE THREAD