Firearm Kits Gun Parts
(280 deals total)

  • Firearm Kits
from $379.99
UPC: 000516444601
MPN: 516444601
Caliber: 223/5.56
Type: Rifle Kit
Overall Length: 24.5"
from $319.99
UPC: 745557100741
MPN: RK9MM16LPK
Caliber: 9mm
Type: Build Kit
Overall Length: 17.8000
from $299.99
UPC: 745557101038
MPN: PK556-LPK
Overall Length: 14.2500
from $314.94
UPC: 819925022666
Caliber: 9mm
Type: Pistol: Semi-Auto
from $499.99
UPC: 005165447638
MPN: 5165447638
Caliber: 223/5.56
Type: PSA Custom Firearm
Overall Length: 24.5"

Filter Firearm Kits Gun Parts

27 months ago
Davidson Defense "Forgotten Luck w/ Holosun Micro Red Dot" AR-15 Rifle Featuring Davidson Defense Upper 5.56 NATO 16.5" 4150 CMV Nitride 1:7T 15 M-Lok Guantlet Arms Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington
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27 months ago
DD Custom Arms "Terrafluid" 9mm Glock 17 Gen 1-3 Compatible Complete Slide Tactical Kinetics 9mm 416R SS Bead Blasted Barrel Polymer Rear Sight for Glock slides black with white U-notch Glock (Assembled or Parts Kit) Caliber: 9mm Luger / Parabellum The 9mm caliber has become immensely popular over the years, and for good reason. This caliber is budget-friendly, has low recoil, and is a great option for home defense. Its popularity has made it easier to access compared to other calibers. This caliber is a great option for slide build kits, Glocks, and your everyday handgun. Barrel:
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27 months ago
DD Custom Arms "Terrafluid w/ Northtac F12" 9mm Glock 17 Gen 1-3 Compatible Complete Slide Tactical Kinetics 9mm 416R SS Bead Blasted Barrel Polymer Rear Sight for Glock slides black with white U-notch Glock Northtac Ronin F12 1x27mm 2 MOA RMR/Picatinny Micro Dot Sight Optic (Assembled or Parts Kit) Caliber: 9mm Luger / Parabellum
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27 months ago
Davidson Defense "B.F.G Mod 1" LR-308 Rifle Featuring Davidson Defense Upper 6.5 Creedmoor 20" 4150 CMV Nitride 1:8T 19" M-Lok Gauntlet Arms Free Float Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 6.5 Creedmoor / 6.5x48mm
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27 months ago
Davidson Defense "Supa Reor w/ Northtac V10" AR-15 Rifle Featuring Davidson Defense Upper5.56 NATO 16.5" 4150 CMV Nitride 1:7T12 M-Lok Gauntlet Arms Freefloat Handguard Full Build Kit (Assembled or Parts Kit) Caliber:5.56x45 NATO / .223 RemingtonChambered for 5.56x45 NATO, originally derived from .223 Remington, 5.56 NATO is the standardized and most popular cartridge developed for the AR-15 platform. Utilizing a .22 Caliber projectile, the low mass, high-velocity cartridge allows superior weapons handling with manageable recoil and high accuracy.
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27 months ago
Davidson Defense "Cobra King" AR-15 Pistol Featuring Davidson Defense Upper 5.56 NATO 10.5" 4150 CMV Nitride 1:8T Carbine M-Lok Strike Industries Drop-In Handguard Full Build Kit (Assembled or Unassembled) Caliber: - Caliber: 5.56x45 NATO / .223 Remington
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27 months ago
DD Custom Arms ELITE Series "Stars and Stripes" AR-15 Pistol Featuring Aero Precision Upper 5.56 NATO 14.5" < > QPQ Nitride 1:7T Picatinny MMC Armory Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington
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27 months ago
DD Custom Arms ELITE Series "Stars and Stripes" AR-15 Pistol Featuring Aero Precision Upper 5.56 NATO 14.5" < > QPQ Nitride 1:7T Picatinny MMC Armory Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington
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27 months ago
DD Custom Arms "Ghostwalker" AR-15 Rifle Featuring Aero Precision Upper 5.56 NATO 16" QPQ Nitride 1:7T 15" M-Lok Gauntlet Arms Free Float Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington
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27 months ago
Davidson Defense "Guardian Angel" AR-15 Rifle Featuring Davidson Defense Upper 5.56 NATO 16" QPQ Nitride 1:7T 15 M-Lok Trinity Force Freefloat Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington
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26 months ago
Davidson Defense "Ranger's Descent w/ FLX01" 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 Full Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington
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26 months ago
Davidson Defense "Megara" AR-15 Pistol Featuring Davidson Defense Upper 9mm 4" 4150 CMV Nitride 1:10T 4" M-Lok Gauntlet Arms Freefloat Handguard Full Build Kit (Assembled or Unassembled) Caliber: - Caliber: 9mm / 9x19
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26 months ago
Davidson Defense "Eclipse" AR-15 Rifle Featuring Davidson Defense Upper 5.56 NATO 16" QPQ Nitride 1:7T Picatinny TacFire Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington
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26 months ago
DD Custom Arms "Quiet Whisper" 9mm Glock 19 Gen 1-3 Compatible Full Pistol Build Kit (Everything Minus Frame) ELD Performance 9mm Black Nitride Barrel Polymer Rear Sight for Glock slides black with white U-notch Glock (Assembled or Parts Kit) Caliber: 9mm Luger / Parabellum
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26 months ago , by Dealer
Want to see ALL of our Gun.Deals Exclusive Prices? CLICK HERE TO CHECK OUT ALL THESE DEALS NOT ELIGIBLE FOR ADDITIONAL DISCOUNTS
3
26 months ago
Davidson Defense "Indy 556 w/ KAK" 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 Full Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington
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26 months ago
SKU LSA-BKITBB11 Brand Lead Star Arms Model Number LSA-BKITBB11 UPC 810055795451 DETAILS Forged from aluminum and designed to withstand duty use, our AR-15 builder's kits are built for business. Upper Receiver: CNC machined from 7075-T6 aluminum for extreme precision and enhanced durability. Flat top picatinny design for versatility in mounting optics and other enhanced components. M4 feed ramps for added reliability. Designed for use with all MIL-SPEC components. Burnt Bronze Cerakote Lower Receiver:
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26 months ago
Davidson Defense "Indy 556" 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 Full Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington
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26 months ago
Davidson Defense "Indy 556" 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 Full Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington
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26 months ago
Davidson Defense "Lightshow 7 Gold w/ KAK" AR-15 Pistol Featuring Davidson Defense Upper 5.56 NATO 8.5" 4150 CMV Nitride 1:7T 7 M-Lok Guntec Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington
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26 months ago
Davidson Defense "Emerald Vale w/ KAK" AR-15 Pistol Featuring Davidson Defense Upper 7.62x39mm 10.5" 4150 CMV Phosphate 1:10T 10" M-Lok Gauntlet Arms Free Float Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 7.62x39
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26 months ago
DD Custom Arms "Rudimentary Ballistics w/ Northtac F12 Red Dot" 9mm Glock 19 Gen 1-3 Compatible Complete Slide ELD Performance 9mm < > Black Nitride Barrel Polymer Rear Sight for Glock slides black with white U-notch Glock Northtac Ronin F12 1x27mm 2 MOA RMR/Picatinny Micro Dot Sight Optic (Assembled or Parts Kit) Caliber: 9mm Luger / Parabellum
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26 months ago
Davidson Defense "Pecos Bill V2" AR-15 Rifle Featuring Davidson Defense Upper 5.56 NATO 16" 4150 CMV Nitride 1:8T 15" M-Lok Davidson Defense Free Float Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington
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26 months ago
Polymer80 PFC9 FDE Compact 'AFT' Complete Handgun Kit w/ 15 Round MagazinePolymer80 Compact AFT Kit has everything needed to build a complete P80 handgun. This kit was designed with DIY enthusiasts and hobbyists in mind, or anyone wanting to learn how to assemble a pistol. The frame is made from high-strength polymer that comes in FDE. This kit also includes a 15-round magazine, black carrying case, and assembly instructions. These kits are high-quality, look incredible, and make a fun-to-shoot build.
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MMC Armory 6163
26 months ago
DD Custom Arms "Storm Shadow" 9mm Glock 19 Gen 1-3 Compatible Full Pistol Build Kit (Everything Minus Frame) Polymer Rear Sight for Glock slides black with white U-notch Glock (Assembled or Parts Kit) Caliber: 9mm Luger / Parabellum The 9mm caliber has become immensely popular over the years, and for good reason. This caliber is budget-friendly, low recoil, and a great option for home defense. Its popularity has made it easier to access compared to other calibers. This caliber is a great option for slide build kits, Glocks, and your everyday handgun. Barrel:
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26 months ago
DD Custom Arms "Scary Sherry" 9mm Glock 19 Gen 1-3 Compatible Full Pistol Build Kit (Everything Minus Frame) Polymer Rear Sight for Glock slides black with white U-notch Glock (Assembled or Parts Kit) Caliber: 9mm Luger / Parabellum The 9mm caliber has become immensely popular over the years, and for good reason. This caliber is budget-friendly, has low recoil, and is a great option for home defense. Its popularity has made it easier to access compared to other calibers. This caliber is a great option for slide build kits, Glocks, and your everyday handgun. Barrel:
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26 months ago , by Dealer
Want to see ALL of our Gun.Deals Exclusive Prices? CLICK HERE TO CHECK OUT ALL THESE DEALS SPECIFICATIONS: Caliber: 5.56 NATO Classification: Rifle Barrel: Gauntlet Arms "Swinger" Premium M4 contour AR-15 5.56 NATO 16" 1:7 Twist Phosphate Barrel (Cryo-Treated) Twist Rate: 1:7T Thread Pitch: 1/2x28 Upper Receiver: Davidson Defense Mil-Spec AR-15 Upper w/ M4 Feedramps - 7075 T6 Aluminum Handguard: Trinity Force KMX Rail M-LOK 15" W/Anti-Rotation Tabs
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26 months ago , by Dealer
Want to see ALL of our Gun.Deals Exclusive Prices? CLICK HERE TO CHECK OUT ALL THESE DEALS SPECIFICATIONS: Caliber: 5.56 NATO Classification: Pistol Barrel: ELD Performance 10.5" 5.56 Front Sight Base Barrel, Carbine Gas, 1:8T, Government Profile, M4 Extension, 4150 CrMoV, Black Nitride, A2 F-Marked Base, Round Handguard Cap, Taper Pins, Includes A2 Delta Ring Assembly Twist Rate: 1:8T Thread Pitch: 1/2x28 Upper Receiver: Davidson Defense Mil-Spec AR-15 Upper w/ M4 Feedramps - 7075 T6 Aluminum
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26 months ago , by Dealer
Want to see ALL of our Gun.Deals Exclusive Prices? CLICK HERE TO CHECK OUT ALL THESE DEALS SPECIFICATIONS: Caliber: .308 WIN Classification: Rifle Barrel: Bear Creek Arsenal "Kipper" LR-308 16" .308, Mid Gas, HBar, 1-10T Phosphate Barrel Twist Rate: 1:10T Thread Pitch: 5/8x24 Upper Receiver: Davidson Defense "Ghoul" DPMS Style LR-308 Low Profile Stripped Upper Receiver, Forward Assist Compatible
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26 months ago
DD Custom Arms "Nuka-Caliber" 9mm Glock 19 Gen 1-3 Compatible Complete Slide Polymer Rear Sight for Glock slides black with white U-notch Glock (Assembled or Parts Kit) Caliber: 9mm Luger / Parabellum The 9mm caliber has become immensely popular over the years, and for good reason. This caliber is budget-friendly, low recoil, and a great option for home defense. Its popularity has made it easier to access compared to other calibers. This caliber is a great option for slide build kits, Glocks, and your everyday handgun. Barrel:
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26 months ago
DD Custom Arms "Taylor" 9mm Glock 19 Gen 1-3 Compatible Complete Slide Live Free Armory 9mm 4140 SS CHF Black Nitride Barrel Polymer Rear Sight for Glock slides black with white U-notch Glock (Assembled or Parts Kit) Caliber: 9mm Luger / Parabellum The 9mm caliber has become immensely popular over the years, and for good reason. This caliber is budget-friendly, low recoil, and a great option for home defense. Its popularity has made it easier to access compared to other calibers. This caliber is a great option for slide build kits, Glocks, and your everyday handgun. Barrel:
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26 months ago
Davidson Defense "Black Tuesday" AR-15 Pistol Featuring Davidson Defense Upper 5.56 NATO 7.5" 416R SS Stainless 1:7T 7 M-Lok Gauntlet Arms Freefloat Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington
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26 months ago
Davidson Defense "Silver Tongue" LR-308 Rifle Featuring Davidson Defense Upper 6.5 Creedmoor 18" 416R SS Stainless 1:8T 15" M-Lok Gauntlet Arms Free Float Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 6.5 Creedmoor / 6.5x48mm
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26 months ago
Davidson Defense "Secondhand Throne" LR-308 Rifle Featuring Davidson Defense Upper 6.5 Creedmoor 18" 416R SS Stainless 1:8T 15" M-Lok Guntec Freefloat Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 6.5 Creedmoor / 6.5x48mm
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26 months ago
Davidson Defense "Howling Winds" AR-15 Rifle Featuring Davidson Defense Upper 5.56 NATO 16" < > QPQ Nitride 1:7T 16.5 M-Lok Gauntlet Arms Freefloat Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington
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26 months ago
Davidson Defense "Tacticians Spell" AR-15 Rifle Featuring Davidson Defense Upper 5.56 NATO 16" 4150 CMV QPQ Corrosion Resistant Nitride Coating 1:7T 15" M-LOK Davidson Defense Free-Float Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington
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26 months ago
Davidson Defense "Blakemore" AR-15 Rifle Featuring Davidson Defense Upper 7.62x39mm 16" 4150 CMV Nitride 1:10T 15" M-LOK Davidson Defense Free-Float Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 7.62x39
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26 months ago
Davidson Defense "Debtor" AR-15 Rifle Featuring Davidson Defense Upper .300 Blackout 16" 4150 CMV Phosphate 1:8T 15" M-Lok Gauntlet Arms Free Float Handguard Full Build Kit (Assembled or Parts Kit) Caliber: .300 AAC Blackout / 7.62x35mm
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26 months ago
Davidson Defense "Ionic Charge" AR-15 Rifle Featuring Davidson Defense Upper .300 Blackout 16" 4150 CMV Phosphate 1:8T 15" M-LOK Davidson Defense Free-Float Handguard Full Build Kit (Assembled or Parts Kit) Caliber: .300 AAC Blackout / 7.62x35mm
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26 months ago
Davidson Defense "Golden Eagle V3" AR-15 Rifle Featuring Davidson Defense Upper .300 Blackout 16" 4150 CMV Phosphate 1:8T 15" M-Lok Gauntlet Arms Free Float Handguard Full Build Kit (Assembled or Parts Kit) Caliber: Barrel: Muzzle Device: Upper Receiver: Handguard: Bolt Carrier Group: Charging Handle: LPK: Stock: Specifications: Caliber: .300 Blackout Classification: Rifle Barrel: Bear Creek Arsenal "Springer" 16" Phosphate, Pistol gas, H-bar, .300 Blackout, 1:8T Twist Rate: 1:8T Thread Pitch: 5/8x24
0
26 months ago
DD Custom Arms "Thrill Seeker" AR-15 Rifle Featuring Aero Precision Upper 5.56 NATO 16" < > QPQ Nitride 1:7T 15 M-Lok Trinity Force Freefloat Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington
0
26 months ago
Davidson Defense "Lightshow 9mm-Black w/ SBA3" AR-15 Pistol Featuring Davidson Defense Upper 9MM 4" 4150 CMV Nitride 1:10T 4 M-Lok Guntec Freefloat Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 9mm / 9x19
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25 months ago
DD Custom Arms "Seeds of Freedom" 9mm Glock 17 Gen 1-3 Full Pistol Build Kit (Everything Minus Frame) ELD Performance 9mm < > Threaded Black Nitride Barrel Polymer Rear Sight for Glock slides black with white U-notch Glock (Assembled or Parts Kit) Caliber: 9mm Luger / Parabellum
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25 months ago
Item Number: 148583 MPN#: PK9MM-LPK-7 TCF-PK9MM-LPK-7 The Tacfire Build Kit contains one of each- 9MM 7.5" Barrel USA Made, 9MM Bolt Carrier Group, Mil-Spec Upper Receiver USA Made, Slim Free Float MLOK Hand Guard 7", Complete Lower Parts Kit USA Made, Standard Receiver End Plate, Mil-Spec/ Commercial Castle Nut/Steel, Mil-Spec Pistol Buffer Tube/Alum. w/Foam Cover, Heavy Buffer, Buffer Tube Spring, Mil-Spec Charging Handle, Dust Cover, Forward Assist, 1/2"x36 Thread Flash Forwarder, and A2 black pistol grip For Use With: AR 9mm Luger Pistol Includes:
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KyGunCo 210
25 months ago
SKU 51655155736 Brand Palmetto State Armory DETAILS Barrel Length: 18" Gas System: Rifle Length Barrel Profile: A2 Barrel Steel: 416R Stainless Steel 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 Handguard Type: PSA 15" Lightweight Hex Full Picatinny M-Lok Rail Bolt Carrier Group Included: Yes Bolt Steel: Carpenter 158 Bolt Carrier Profile: Full-auto
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25 months ago
Davidson Defense "Minerva" AR-15 Rifle Featuring Davidson Defense Upper .223 Wylde 17.1" < > Nitride 1:8T 16.5 M-Lok Gauntlet Arms Freefloat Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington
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25 months ago
Davidson Defense "Megaton" AR-15 Rifle Featuring Davidson Defense Upper 5.56 NATO 16" < > QPQ Nitride 1:7T 15" M-LOK Davidson Defense Free-Float Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington
0
25 months ago
Davidson Defense "The Ghoul" AR-15 Rifle Featuring Davidson Defense Upper 5.56 NATO 16" < > QPQ Nitride 1:7T 15 M-Lok Trinity Force Freefloat Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington
0
25 months ago
Davidson Defense "Chamois V223" AR-15 Rifle Featuring Davidson Defense Upper .223 Wylde 16" 4150 CMV Phosphate 1:8T 15 M-Lok Guantlet Arms Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington
0
25 months ago
Davidson Defense "Streamline in 762x39" AR-15 Rifle Featuring Davidson Defense Upper 7.62x39mm 16" 4150 CMV Nitride 1:10T 15" M-LOK Davidson Defense Free Float Handguard Complete Upper Build (Assembled or Parts Kit) Caliber: 7.62x39
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25 months ago
SKU 51655105200 Brand Palmetto State Armory Model Number 51655105200 UPC 51655105200 DETAILS Barrel Length: 10.5" Barrel Profile: A2 Gas System: Carbine-length Barrel Steel: 4150V Chrome Moly Vanadium Barrel Finish: Phosphate Chrome Lining: No 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: PSA Fluted Flash Can Receiver Material: Forged 7075 T6 Aluminum Receiver Type: M4 Handguard Type: PSA 12" Slant End M-Lok Rail Bolt Carrier Group Included: Yes
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24 months ago
5" 5.56 NATO 1:5 5R Twist Pistol barrel and Micro Gas Tube| Made in USA
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24 months ago
DD Custom Arms "Nebulous" LR-308 Rifle Featuring Davidson Defense Upper .308 WIN 20" 416R SS Stainless 1:10T 15" M-Lok Guntec Freefloat Handguard Full Build Kit (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:
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24 months ago
Davidson Defense "Saturn's Wild Thing" AR-15 Rifle Featuring Davidson Defense Upper .223 Wylde 16" 416R SS Nitride 1:8T 15" M-Lok Davidson Defense Free Float Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington
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24 months ago , by Dealer
AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | ''WHI CAM-FML4C'' PISTOL KIT AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | ''ORG CAM-FML4C'' PISTOL KIT
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24 months ago
Davidson Defense "Wide ARC" AR-15 Rifle Featuring Davidson Defense Upper 6MM ARC 18" 4150 CMV Nitride 1:7.5T 17" Keymod Gauntlet Arms Free Float Handguard Full Build Kit (Assembled or Parts Kit) Caliber: 6mm ARC / 6x38mm
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23 months ago , by Dealer
23 months ago , by Dealer
5'' 5.56 NATO 1:5 5R Twist Nitride Pistol Barrel and Micro Gas Tube | Made in U.S.A
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