Aero Precision Uppers Gun Parts

(384 deals total)

The Aero Precision M4E1 Threaded AR-15 Stripped Upper Receiver without forward assist stands apart from standard MIL-SPEC upper receivers, featuring an angular machined design. With the same enhanced body profile as the Aero M4E1 Enhanced Upper Receiver, this upper is threaded to accept a standard AR-15 barrel nut. Forged from 7075-T6 aluminum and precision machined to work with all Mil-Spec AR-15 parts. This model removes the forward assist to minimize weight. NOTE: Port door not included. Features:

This Upper Receiver Handguard Combo now includes our 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. Anti-Rotation Tabs. Feed Ramp Extension. Scalloped Rails. Continuous Top Rail. Specifications for Aero Precision M4E1 5.56 Mid Barrel Complete Upper Receiver: Caliber: 5.56x45mm NATO Attachment/Mount Type: Picatinny Gun Rail: M-LOK Muzzle Device: A2 Flash Hider Gun Model: AR-15 29D-UFH-M4E1CMB-APAR600251M7 MPN#: APAR640251M7

The Aero Precision M4E1 Enhanced AR-15 Stripped Upper without forward assist incorporates the handguard mounting hardware with the upper receiver into a single forging. Increased weight savings and improved cooling efficiency are made possible by additional lightening cuts afforded by this stronger one-piece design. Crafted from a 7075-T6 aluminum forging machined to MIL-SPEC, the upper is then finished in a durable flat dark earth Cerakote. Compatible with all MIL-SPEC AR-15/M16 components. For even further weight savings, this model removes the often unnecessary forward assist.

Enhance your new build with the Aero Precision EPC-9 Threaded Upper Receiver Set with LRBHO. This EPC-9 receiver set features custom machining from forged 7075-T6 aluminum with an anodized black finish for durability. The upper receiver features a last-round bolt hold-open mechanism, standard AR-15 takedown and pivot pin lug pattern, dimple above the receiver threads, and is compatible with most AR-15 compatible barrel nuts and handguards. The lower receiver features a threaded bolt catch, threaded takedown pin detent and includes factory pre-installed proprietary components.

Note: This barreled upper receiver assembly has a barrel length under 16” and is therefore subject to all NFA rules and regulations. Know your local laws before purchasing.

Forged from 7075 T6 aluminum, the .458 SOCOM Assembled Upper Receiver is precision-machined to M16/M4 specification and features M4 feedramps. This unit comes assembled with a port door and forward assist. This upper comes precision engraved with a beautiful high contrasting image: ".458 SOCOM". We use a leading industry 3-axis galvo fiber direct diode laser to produce a permanent etching into the AR15 anodizing that has incredible detail. Spruce up your AR-15 upper with one of our many engraving images and save big! Features:

This Complete Upper includes our Quantum Handguard! Key features include the addition of built in anti-rotation tabs, removable 4-slot picatinny rail section for front sight and a 7 mounting surface for accessories. Specifications for Aero Precision M4E1 Enhanced 16in .300 Blackout Quantum Handguard Complete Upper Receiver: Caliber: .300 AAC Blackout Barrel Twist Rate: 1-7 Gun Rail: M-LOK Gun Model: AR-15 29D-URC-M4E130016BQ-APAR640105M14 UPC#: 840014604067

Description The Aero Precision XL Upper is forged from 7075-T6 aluminum and features an enlarged ejection port, the XL Upper Receiver is your best choice when you’re planning a build to send big rounds down range. Features: - Port door opening enlarged to enhance larger diameter brass ejection (.450 Bushmaster, .458 SOCOM, .50 Beowulf, etc.) - Features Laser Marked “XL” designation on the upper receiver tang - Compatible with AR15 Lower receivers - Compatible with AR15 Port Doors and Forward Assists - .250 takedown pin holes - Laser engraved t-markings

Our state of the art M5E1 platform starts here, with the M5E1 Upper Receiver. The M5E1 upper receiver is a one-piece design combining the handguard mounting platform with the upper itself. Through superior engineering, we have condensed the parts needed to mount a free-floated handguard to a mere 8 screws. Since the handguard mounting surface and upper are of the same forging, not only is it a stronger system, but we are able to make additional lightening cuts to save weight and allow for more efficient cooling.

Aero Precision's new Aero Precision M4E1 Threaded Upper Receiver (formerly known as the Gen 2 Upper receiver) gives you that angled billet look without the high cost or the fitment issues many builders experience when trying to mate a non-matching billet upper/lower receiver. Aero precision has machined this stripped upper to accept a standard AR15 barrel nut and mil-spec upper parts (Forward Assist & Dust Cover not included).

Description This complete upper includes Aero Precision’s new ATLAS R-ONE Handguard! 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. 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:

Description This AR15 Complete Upper features a 16″ 5.56 Barrel w/ Pinned FSB, M4 Handguard, BCG and Charging Handle Features: - Upper: Standard AR15 Upper Receiver - Barrel: 16″ 5.56 CMV Barrel w/ Pinned FSB, Carbine Length, 1/7 Twist, Black Nitride - Handguard: M4 Style Handguard - Gas System: Carbine Length Gas System - Muzzle Device: Standard A2 Flash Hider - This complete upper WILL include a BCG and Charging Handle. Specifications: - Shipping to FFL Dealer Required No - Made In America? Yes - Platform AR15 - Series Mil-Spec - Caliber 5.56 NATO - Barrel Length 16″

Description

Description

Description

Description This Complete Upper includes Aero Precision Quantum Handguard! Key features include the addition of built in anti-rotation tabs, removable 4-slot picatinny rail section for front sight and a 7 mounting surface for accessories. This complete upper does not include BCG or Charging Handle. Includes: - M4E1 Enhanced Assembled Upper Receiver - 15″ Enhanced Handguard - 16″ .300 Blackout CMV Barrel - Low Profile Gas Block and Pistol Length Gas Tube - Product comes assembled M4E1 Upper Features: - Forged from 7075 T6 aluminum - Precision machined to M4E1 specs

Description This EPC-9 Complete Upper Receiver comes standard with our ATLAS S-ONE Handguard. The S-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. 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. Includes: - EPC-9 Upper Receiver - 7.3″ ATLAS S-ONE Handguard - 8.3″ 9mm CMV Barrel

Description 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. Includes: - M4E1 Threaded Assembled Upper Receiver - ATLAS S-ONE Handguard of choice - 8″ .300 Blackout CMV Barrel

Description 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. Includes: - M4E1 Threaded Assembled Upper Receiver - ATLAS S-ONE Handguard of choice - 7.5″ 5.56 Pistol Length CMV Barrel

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

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

100-040-655WB Piston Upper 10.5in Barrel 9in Handguard Black Cartridge: 5.56 mm NATO Finish: Black Style: Complete Contour: Medium Length: 10.5" Muzzle: 1/2-28, ... click details to view more.... Description Specs Built by Aero Precision, Featuring Premium Superlative Arms Piston Components

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 .223 Wylde w/ ATLAS S-ONE Handguard Complete Upper Receiver: Caliber: .223 Wylde Barrel Twist Rate: 1-8 Gun Rail: M-LOK

This Complete Upper includes our 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. These products may be selected as add-ons. Specifications for Aero Precision M4E1 .223 Wylde Complete Upper: Fabric/Material: 7075-T6 Aluminum Caliber: .223 Wylde Gas Block Journal Size-Diameter: .750 in Barrel Twist Rate: 1-8 Handguard Length: 15 in Gun Rail: Picatinny

This Complete Upper now includes our 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. Specifications for Aero Precision M4E1 Enhanced .223 Wylde Fluted Complete Upper Receiver: Caliber: .223 Wylde Barrel Twist Rate: 1-8 Handguard Length: 15 in Attachment/Mount Type: M-LOK Gun Model: AR-15 Included Accessories: EM-15 Handguard Gen 2 29D-UFH-M4E1E22318WF-APAR640232M51

100-015-499WB M4E1 Enhanced Upper Receiver Cartridge: 223 Remington Finish: Black Anodized Style: Assembled Aero Precision’s M4E1 Enhanced Upper Receiver is a new take on the way the handguard attaches to the upper receiver on AR-15/M16 platforms. The upper receiver is made from forged 7075 T6 aluminum with the handguard mounting platform forged as an integral part of the receiver. The receiver also features M4 feed ramps, laser engraved T-marks, hard coat anodizing, accepts standard AR-15/M16 components, and includes the barrel nut and wrench. MPN#: APAR600201AC

The EPC-9 upper receiver is the perfect addition to any AR9 build. Including a last round bolt hold open mechanism and compatible with most standard AR15 barrel nut and handguard combinations this upper receiver will help take your pistol caliber build to the next level. Features: Last round bolt hold open mechanism Accepts most AR15 compatible barrel nuts and handguards Dimple above threads to allow for proper handguard timing Standard AR15 takedown/pivot pin lug pattern Machined from custom forged 7075-T6 aluminum Laser engraved T-marks Includes: Upper Receiver

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 8in .300 Blackout Barrel Complete Upper Receiver: Color: Black Finish: Anodized Caliber: .300 AAC Blackout Barrel Length: 8 in Handguard Length: 7 in Attachment/Mount Type: M-LOK Gun Rail: M-LOK Gun Model: AR-15 29D-UFH-A58-APAR610501M1

The Aero Precision Stripped Upper Receiver is machined from 7075 aircraft aluminum for superior strength and features a super tough, Type 3 hardcoat anodized finish for excellent wear resistance. Available with or without markings Finish: matte black Models available with laser-engraved T-marks and an American flag on the Picatinny rail, or without markings. 100-010-612WB Mfr Part: APAR501602C

100-013-288WB AR-15/M16 Stripped Upper Receiver FDE/Desert Cartridge: 223 Remington, 5.56 mm NATO Finish: FDE/Desert Style: Stripped View Dream Gun Economical Yet High-Quality Upper For Your Custom Build

- Use this filler to get the coupon code working HERE 953-000-017WB AR-15/M16 Assembled Upper Receiver Cartridge: 223 Remington, 5.56 mm NATO, 300 AAC Blackout Finish: Matte Black Style: Assembled Description Specs

100-015-987WB 308 AR M5 Upper Receiver Cartridge: 308 Winchester Finish: Black Style: Assembled View All Dream Guns®

Forged from 7075-T6 aluminum, the Aero Precision M5 308 Upper Receiver is a great platform for a big-bore AR build. Precision machined to Aero Precision’s specifications, the upper features M4 feedramps and a matte black hard coat anodized Mil 8625 Type 3 Class 2 finish. DPMS pattern takedown holes (.2795”) allows for compatibility with a wide range of lower receivers. Receiver is compatible with standard DPMS pattern 308 components, including lowers, bolt carriers, charging handles and barrels. Comes with forward assist and ejection port cover installed.

MPN#: APAR612202BAC This upper receiver features the same tried-and-true construction and aesthetics as our M4E1 Enhanced Upper Receivers, without provisions for a forward assist.

AR15 Assembled Upper Receiver - FDE Cerakote (C) Specifications for Aero Precision APAR501801A AR15 UPPER FDE: Color: Flat Dark Earth Finish: Cerakote Caliber: 5.56x45mm NATO Gun Model: AR-15

This Aero Precision M4E1 Threaded upper receiver group comes completely assembled with 16” 5.56 barrel and the ATLAS R-ONE M-LOK handguard. This barreled upper receiver group does not include BCG or charging handle allowing you to choose your favorites for your build. The upper receiver is, however, fully assembled with forward assist and dust cover. The M4E1 threaded upper is made from forged 7075-T6 aluminum with a billet machined look that matches the lower and handguard.

The Aero Precision AR15 Assembled Upper Receiver APAR501603A comes with the port door and forward assist already installed. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil- spec M16/M4 specifications and features M4 feedramps. Specifications for Aero Precision APAR501603A AR15 UPPER BLK: Color: Black Finish: Anodized Fabric/Material: 7075-T6 forged aluminum Caliber: 5.56x45mm NATO Gun Model: AR-15 Additional Features: Works with standard AR15/M16 components, Assembled Weight: 12.7 oz

This upper receiver features the same tried-and-true construction and aesthetics as M4E1 Enhanced Upper Receivers, without provisions for a forward assist. The M4E1 Enhanced Upper Receiver is a one-piece design combining the handguard mounting platform with the upper receiver itself. Through superior engineering, we have condensed the parts needed to mount a free-floated handguard to a mere 8 screws.

This Complete Upper includes our Quantum Handguard! Key features include the addition of built in anti-rotation tabs, removable 4-slot picatinny rail section for front sight and a 7 mounting surface for accessories. Specifications for Aero Precision M4E1 Enhanced 8in .300 Blackout Quantum Handguard Complete Upper Receiver: Caliber: .300 AAC Blackout Barrel Length: 8 in Barrel Twist Rate: 1-7 Handguard Length: 7 in Gun Rail: M-LOK Gun Model: AR-15 Weight: 39.84 oz 29D-URC-M4E1E3008QH-APAR640101M1 UPC#: 840014603947

The EPC-9 upper receiver is the perfect addition to any AR9 build. Including a last round bolt hold open mechanism and compatible with most standard AR15 barrel nut and handguard combinations this upper receiver will help take ypistol caliber build to the next level. Includes: Upper Receiver, Pre-installed last round bolt hold open assembly Specifications for Aero Precision EPC-9 Threaded Assembled Upper Receiver w/ LRBHO: Fabric/Material: 7075-T6 Aluminum Cartridge: 9mm Caliber Attachment/Mount Type: Picatinny Gun Rail: Picatinny Gun Type: Rifle Gun Make: Aero Precision

Aero Precision APAR600201AC M4E1 Enhanced Upper Receiver 223 Remington/5.56 NATO - The M4E1 upper receiver is a one-piece design combining the handguard mounting platform with the upper itself. It is machined from 7075-T6 aluminum with, M4 feedramps, .250 takedown pin holes, and supports barrels with a diameter up to 1". Included is a barrel nut and wrench, port door and forward assist. This model has a black hardcoat anodized finish. NOTE: This upper is not piston-kit compatible. Specifications for Aero Precision APAR600201AC M4E1 Enhanced Upper Receiver 223 Remington/5.56 NATO:

100-054-449WB 16" UPPER, MID-LEN BARREL, 12" M-LOK ATLAS S-ONE HG -BLK Mfr Part: APAR700304M7 Cartridge: 5.56 mm NATO Finish: Black Style: Complete Length: 16" Twist: 1-7

Description The M5 .308 Assembled Upper Receiver comes with both the port door and forward assist hardware pre-installed. 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 our 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 Weight: 0.3600 oz Color: Black, FDE

Description This upper receiver features the same tried-and-true construction and aesthetics as our M4E1 Threaded Upper Receivers, without provisions for a forward assist. Machined from custom 7075-T6 aluminum forgings this upper receiver is compatible with mil-spec AR15 components. Features: - No Forward Assist - Custom enhanced forging that gives the upper receiver a “billet look” while maintaining the structural integrity of a forged part. - Picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards - M4 Feedramps

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 complete upper includes our ATLAS R-ONE Handguard! 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. 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 Complete Upper Receiver M4E1-T, 5.56 NATO w/ R-One Handguard: Caliber: 5.56x45mm NATO

Aero Precision APAR612201AC: This upper receiver features the same tried-and-true construction and aesthetics as Aero Precision's M4E1 Enhanced Upper Receivers, without a forward assist. This upper is designed to work with Aero Precision's Enhanced handguard for ease of installation and for superior strength when completed. Ease of installation - Simply insert your barrel assembly into the M4E1 upper, tighten it using the provided barrel nut and wrench, slide your rail on and tighten the rail screws. Within minutes you have a modular, free-floated rail. Features: No Forward Assist

This complete upper receiver features the same tried-and-true construction and aesthetics as our M4E1 Threaded Upper Receivers, without provisions for a forward assist. The included ATLAS R-ONE Handguard is designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. 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. Includes:

MPN#: APAR700105M97 This complete upper receiver incudes an HBAR profile barrel that is laser marked "HBAR". Includes: M4E1 Enhanced Assembled Upper Receiver 15" ATLAS S-ONE M-LOK Handguard 16" 5.56 HBAR barrel Low Profile Gas Block and Carbine Length Gas Tube Product comes assembled This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the FINISH YOUR BUILD tab. M4E1 Upper Features: Forged from 7075 T6 aluminum Precision machined to M4E1 specs M4 feedramps Matte black hard coat anodized Mil 8625 Type 3 Class 2

The Aero Precision M4E1 Threaded Upper Receiver (formerly known as the Gen 2 Upper Receiver) gives you that angled billet look without the high cost or the fitment issues many builders experience when trying to mate a non-matching billet upper/lower receiver. This unit also saves time by including the forward assist and dust cover pre-installed. M4E1 Threaded Assembled Features: New enhanced forging that gives the upper receiver a “billet look” Pre-installed Forward Assist and Dust Cover Features: M4 Feedramps .250 takedown pin holes Lazer engraved T-marks Includes:

This complete upper receiver features the same tried-and-true construction and aesthetics as our M4E1 Enhanced Upper Receivers, without provisions for a forward assist. The M4E1 Enhanced Upper Receiver is a one-piece design combining the handguard mounting platform with the upper receiver itself. Through superior engineering, we have condensed the parts needed to mount a free-floated handguard to a mere 8 screws.

MPN#: APPG700706 This complete upper includes our new ATLAS R-ONE Handguard! 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. 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. Includes: M4E1 Threaded Assembled Upper Receiver 16.6" M-LOK ATLAS R-ONE Handguard of choice

MPN#: APPG600231P42 This Complete Upper includes our 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. Includes: M4E1 Enhanced Assembled Upper Receiver Enhanced Handguard of choice 18" .223 Wylde Rifle Length Stainless Steel Barrel Low Profile Gas Block and Rifle Length Gas Tube Product comes assembled Thie complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the FINISH YOUR BUILD tab

This Complete Upper includes our 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. Includes: M4E1 Enhanced Assembled Upper Receiver Enhanced Handguard of choice 14.5" 5.56 Mid-Length CMV Barrel Low Profile Gas Block and Mid Length Gas Tube Product comes assembled This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the Finish Your Build tab

DESCRIPTION

MPN#: APSL100415 This complete upper bundle has everything you need to hit the ground running on your next build! Included ATLAS Handguard, black nitride BCG, BREACH ambidextrous charging handle, and VG6 Epsilon Muzzle Device give you all the upgrades you need out of the box! Includes: M4E1 Threaded Assembled Upper Receiver - Anodized Black 9.3" ATLAS S-ONE Handguard 10.5" 5.56 CMV Barrel Low Profile Gas Block and Carbine-Length Gas Tube AR15 BREACH Ambidextrous Charging Handle (Large Lever) Black Nitride 5.56 Bolt Carrier Group VG6 Epsilon 556 Muzzle Device

100-054-460WB 16" UPPER, MID-LENGTH BBL, ATLAS R-ONE 15" M-LOK HG Mfr Part: APAR700705M7 Cartridge: 5.56 mm NATO Finish: Anodized Style: Complete Color: Black Contour: CMV Length: 16", ... click details to view more....

100-042-978WB 100-042-979WB AR-15 Upper W/12" R-One M-LOK Rail & 16" Mid Length BBl Cartridge: 5.56 mm NATO Barrel Length: 16" Finish: Black Description Specs Three Foundational Components for Building an Outstanding Custom Rifle!

Aero Precision APAR640211Q3: 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 7" Quad Rail Enhanced Handguard 10.5" 5.56 Carbine Length CMV Barrel Pinned FSB and Carbine Length Gas Tube Product comes assembled

100-054-450WB 16" UPPER, MID-LEN BARREL, 15" M-LOK ATLAS S-ONE HG -BLK Mfr Part: APAR700305M7 Cartridge: 5.56 mm NATO Finish: Anodized Style: Complete Color: Black Length: 16" Twist: 1-7