Shop All - Firearm Accessories & Parts - AR15 Parts & Accessories - Upper Parts

LanTac USA

LanTac USA M-SPEC 5.56/.223 Bolt Carrier Group - Gold TiN Finish

MSRP: $229.95

Was:

Now: $189.95

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Armaspec

Armaspec .223/5.56 AR-15 Bolt Carrier Group - Black Nitride Finish

MSRP: $129.95

Was:

Now: $109.99

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Griffin Armament

Griffin Armament SN-ACH 15 GEN 2 Ambi AR-15 Charging Handle - Forward-Facing Gas Vent, Terra Brown

MSRP: $110.00

Was:

Now: $90.00

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Franklin Armory®

FRANKLIN ARMORY AR-15 .223/5.56NATO Bolt Carrier Group - Black Nitride Black Finish

MSRP:

Was:

Now: $104.95

Out of stock
Griffin Armament

Griffin Armament SN-ACH 15 GEN 2 Ambi AR-15 Charging Handle - Forward-Facing Gas Vent, Black

MSRP: $110.00

Was:

Now: $90.00

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Heckler and Koch

Heckler & Koch MR556 A4 16.5" Upper Receiver - Black

MSRP: $2,695.95

Was:

Now: $2,159.00

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Battle Arms Development

Battle Arms Development Ambi Rack Charging Handle and BAD-ASS-PRO Safety Combo - Fits AR-15, Black Finish

MSRP: $135.00

Was:

Now: $119.00

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Colt's Manufacturing LLC

Colt 223 Rem/ 556 NATO M4 Feed Ramps Upper - Black

MSRP: $189.99

Was:

Now: $164.95

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CMMG Inc.

KAK Industry Adjustable Gas Block - Low Profile .750 Gas Block, Black Nitride Finish

MSRP: $79.95

Was:

Now: $62.96

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Daniel Defense

Daniel Defense DDM4V7 Complete Upper Receiver Group - Black

MSRP: $1,350.00

Was:

Now: $1,208.00

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Colt's Manufacturing LLC

Colt's Manufacturing Bolt Repair Kit For AR15/M4 - Black

MSRP: $25.00

Was:

Now: $19.99

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LanTac USA

LanTac USA PDP 7.5" 300 Blackout Complete Upper Receiver - Black

MSRP: $1,339.99

Was:

Now: $1,119.99

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TacFire Inc.

TacFire BU30010 300 Blackout 10" Upper Assembly

MSRP: $499.99

Was:

Now: $309.99

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Daniel Defense

Daniel Defense 23-004-81721-011 MK18 RIII Upper Receiver Group 5.56x45mm NATO 10.30" - FDE

MSRP: $1,517.00

Was:

Now: $1,412.00

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Stern Defense

Stern Defense MOD5 45 ACP Complete Upper - 8" MLOK Handguard, 6" Barrel, Black Finish

MSRP: $599.99

Was:

Now: $555.12

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Ballistic Advantage

Ballistic Advantage Rifle Length Melonite Finish Gas Tube - For AR15, Black

MSRP: $20.95

Was:

Now: $14.25

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Daniel Defense

Daniel Defense 23-191-02397-011 DD4 RIII S 11.5" AR15 Upper Receiver Group - FDE

MSRP: $1,517.00

Was:

Now: $1,412.00

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KAK Industry

KAK Industry Bolt Carrier Group M16, 5.56 NATO - C158, Chrome & Phosphate - KAK Marked

MSRP: $139.95

Was:

Now: $125.95

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Aero Precision

Aero Precision M4E1 Enhanced 8" .300 Blackout Complete Upper Receiver with R-ONE Handguard - Black

MSRP: $650.00

Was:

Now: $534.99

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Aero Precision

Aero Precision AR10 BREACH Ambi Charging Handle w/ Large Lever - Kodiak Brown

MSRP: $119.99

Was:

Now: $99.95

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CMMG Inc.

CMMG Zeroed Ambidextrous Charging Handle - Black

MSRP: $99.99

Was:

Now: $79.95

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Superlative Arms

Superlative Arms Adjustable Bleed Off Gas Block - Clamp Install

MSRP: $120.00

Was:

Now: $105.00

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Superlative Arms

Superlative Arms Adjustable Bleed Off Gas Block - Set Screw

MSRP: $120.00

Was:

Now: $105.00

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JP Enterprises

JP Enterprises Polished Stainless LMOS Carrier - JPBC-3 SP

MSRP: $309.95

Was:

Now: $273.00

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LanTac USA

LanTac USA M-SPEC 5.56/.223 Bolt Carrier Group - Gold TiN Finish

*CONTACT US FOR A SPECIAL COUPON CODE!* Lantac M-SPEC® Above Mil Spec. Not every customer has the requirement or budget for a fully enhanced, top of the line AR15 accessory. Many users simply need a quality milspec component supplied at a sensible...

MSRP: $229.95

Was:

Now: $189.95

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Armaspec

Armaspec .223/5.56 AR-15 Bolt Carrier Group - Black Nitride Finish

The Armaspec .223/5.56 AR-15 bolt carrier group features a durable black Nitride finish which improves hardness and reduces friction making for an extremely smooth running BCG that is easy to clean and maintain. With Mil-Spec dimensions, this AR-15 bolt...

MSRP: $129.95

Was:

Now: $109.99

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Griffin Armament

Griffin Armament SN-ACH 15 GEN 2 Ambi AR-15 Charging Handle - Forward-Facing Gas Vent, Terra Brown

The SN-ACH™ (Gen 2) (Suppressor Normalized Ambidextrous Charging Handle) is a patented, modernized, feature filled charging handle that will satisfy any AR15 user. The SN-ACH™ – Gen 2 features an improved gas...

MSRP: $110.00

Was:

Now: $90.00

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Franklin Armory®

FRANKLIN ARMORY AR-15 .223/5.56NATO Bolt Carrier Group - Black Nitride Black Finish

Franklin Armory Ar-15 BCG "Bolt Carrier Group" come in the following calibers: *5.56 NATO SPECIFICATIONS: *Carrier machined from 8620 Steel *Bolt machined from Carpenter No. 158 steel *MPI Bolt *M16 full auto style *Properly staked gas...

MSRP:

Was:

Now: $104.95

Out of stock
Griffin Armament

Griffin Armament SN-ACH 15 GEN 2 Ambi AR-15 Charging Handle - Forward-Facing Gas Vent, Black

The Gen 2 Suppressor Normalized Ambidextrous Charging Handle (SN-ACH) is a patented, modernized, feature-rich charging handle that will satisfy any AR-15 user. The Gen 2 SN-ACH features an improved gas check groove and a forward-facing 60-degree gas vent...

MSRP: $110.00

Was:

Now: $90.00

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Heckler and Koch

Heckler & Koch MR556 A4 16.5" Upper Receiver - Black

*CONTACT US FOR A SPECIAL COUPON CODE!* This kit includes a complete upper receiver/barrel assembly, allowing Mil-Spec 5.56mm AR-style rifles to be retrofitted to HK’s piston and pusher rod system. This system utilizes a piston and a...

MSRP: $2,695.95

Was:

Now: $2,159.00

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Battle Arms Development

Battle Arms Development Ambi Rack Charging Handle and BAD-ASS-PRO Safety Combo - Fits AR-15, Black Finish

Upgrade your rifle with an ambidextrous bundle. Our RACK® charging handle, and BAD-ASS-PRO Safety Combo! The RACK® Ambidextrous Charging Handle was developed by BATTLEARMS® to be the finest charging handle ever produced! It is the toughest...

MSRP: $135.00

Was:

Now: $119.00

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Colt's Manufacturing LLC

Colt 223 Rem/ 556 NATO M4 Feed Ramps Upper - Black

The durability, reliability and excellent build quality of Colt uppers will provide years of service you can count on. Colt’s Manufacturing Upper 223REM/556NATO Black Finish Dust Cover Forward Assist M4 Feed Ramps Features: M4 Feed Ramps Forward...

MSRP: $189.99

Was:

Now: $164.95

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CMMG Inc.

KAK Industry Adjustable Gas Block - Low Profile .750 Gas Block, Black Nitride Finish

Adjustable Gas Block .750 Size • 20 Position Adjustability • Equipped With Tactile Adjustment Screw With Detent • Sacrificial Carbon Chamber with Anti Seize Carbon Cleaning port • For .750 Gas Block Journal • 4140...

MSRP: $79.95

Was:

Now: $62.96

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Daniel Defense

Daniel Defense DDM4V7 Complete Upper Receiver Group - Black

The DDM4 V7 AR15 style Upper Receiver Group is built around a Cold Hammer Forged 16 inch barrel and equipped with a DD improved Flash Suppressor to reduce flash signature. It features a mid-length gas system for smooth, reliable cycling and reduced wear...

MSRP: $1,350.00

Was:

Now: $1,208.00

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Colt's Manufacturing LLC

Colt's Manufacturing Bolt Repair Kit For AR15/M4 - Black

Factory Colt repair kit for AR15/M4/M16 rifle bolts.

MSRP: $25.00

Was:

Now: $19.99

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LanTac USA

LanTac USA PDP 7.5" 300 Blackout Complete Upper Receiver - Black

The Lantac .300 Blackout 7.5" Personal Defense Pistol (PDP) Complete Upper Receiver is highly reliable and allows for an ultra-compact AR pistol or SBR. Using the same components found on Lantac’s LA-SF15, this upper is designed to...

MSRP: $1,339.99

Was:

Now: $1,119.99

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TacFire Inc.

TacFire BU30010 300 Blackout 10" Upper Assembly

Chambered in 300 Blackout, this rifle upper is completely built and ready to be put on a lower. Includes Bolt Carrier Group. Caliber 300 Blackout Barrel Length Range 10" to 10.99" Firearm Fit AR-Platform Sights None Barrel Finish Black...

MSRP: $499.99

Was:

Now: $309.99

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Daniel Defense

Daniel Defense 23-004-81721-011 MK18 RIII Upper Receiver Group 5.56x45mm NATO 10.30" - FDE

*CONTACT US FOR A SPECIAL COUPON CODE!* The MK18 RIII™ AR15 style Upper Receiver Group is unmatched in size, weight, and performance, and is built around a 10.3 inch Cold Hammer Forged M4 Profile barrel with a Daniel Defense Flash...

MSRP: $1,517.00

Was:

Now: $1,412.00

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Stern Defense

Stern Defense MOD5 45 ACP Complete Upper - 8" MLOK Handguard, 6" Barrel, Black Finish

WHATS INCLUDED! Stern Defense 8 inch M-LOK rail(Barrel nut, bolts etc.) Stern Defense 6 inch 45acp barrel.SD HBC 45 BLAST CAN.Stern Defense assembled upper receiver 45 with dust cover and forward assist. Stern Defense SD BU45 Glock cut...

MSRP: $599.99

Was:

Now: $555.12

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Ballistic Advantage

Ballistic Advantage Rifle Length Melonite Finish Gas Tube - For AR15, Black

The Ballistic Advantage Melonite Gas Tubes allow the user to have a extremely durable and reliable gas tube with the added resilience of a Melonite finish. Melonite Gas Tube for AR15 & AR10 rifles Roll pin included Rifle length 15.125" Made in the...

MSRP: $20.95

Was:

Now: $14.25

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Daniel Defense

Daniel Defense 23-191-02397-011 DD4 RIII S 11.5" AR15 Upper Receiver Group - FDE

*CONTACT US FOR A SPECIAL COUPON CODE!* The DD4™ RIII™S AR15 style Upper Receiver Group is built around a 11.5 inch Cold Hammer Forged Government Profile barrel with a Daniel Defense Flash Suppressor, a GRIP-N-RIP Charging...

MSRP: $1,517.00

Was:

Now: $1,412.00

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KAK Industry

KAK Industry Bolt Carrier Group M16, 5.56 NATO - C158, Chrome & Phosphate - KAK Marked

*CONTACT US FOR A SPECIAL COUPON CODE!* Chrome Lined Phosphate Carrier With C158 Bolt M16 Auto Profile Carrier Machined from Aircraft/ Bearing Quality 8620 Steel, Properly Heat Treated, Ground to Perfection, chrome lined phosphate finish Bolt is...

MSRP: $139.95

Was:

Now: $125.95

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Aero Precision

Aero Precision M4E1 Enhanced 8" .300 Blackout Complete Upper Receiver with R-ONE Handguard - Black

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...

MSRP: $650.00

Was:

Now: $534.99

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Aero Precision

Aero Precision AR10 BREACH Ambi Charging Handle w/ Large Lever - Kodiak Brown

The Aero Precision BREACH® is a rugged, ambidextrous, precision-manufactured charging handle for the M5/AR308 platform. The BREACH's design utilizes a reinforced 7075-T6 aluminum bar that is up to the most demanding tasks. Its ambidextrous...

MSRP: $119.99

Was:

Now: $99.95

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CMMG Inc.

CMMG Zeroed Ambidextrous Charging Handle - Black

Perfecting the proven design of the first generation CMMG® ambi charging handles, the CMMG ZEROED™ ambidextrous charging handle was engineered with handles that are less intrusive to users while still providing easy operation. Constructed from...

MSRP: $99.99

Was:

Now: $79.95

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Superlative Arms

Superlative Arms Adjustable Bleed Off Gas Block - Clamp Install

The Superlative Arms Patented Bleed Off® Mode, direct impingement, gas block for the AR-15/AR-10/LR-308 platform adjusts the gas flow by bleeding the gas out the front of the block instead of restricting the flow like conventional adjustable blocks...

MSRP: $120.00

Was:

Now: $105.00

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Superlative Arms

Superlative Arms Adjustable Bleed Off Gas Block - Set Screw

The Superlative Arms Patented Bleed Off® Mode, direct impingement, gas block for the AR-15/AR-10/LR-308 platform adjusts the gas flow by bleeding the gas out the front of the block instead of restricting the flow like conventional adjustable blocks...

MSRP: $120.00

Was:

Now: $105.00

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JP Enterprises

JP Enterprises Polished Stainless LMOS Carrier - JPBC-3 SP

JP LMOS™ Bolt Carrier Small-Frame (.223) Stainless Steel Polished FinishNot for use in .308 AR-type rifles.Weight: 6.75 oz. with key installed.

MSRP: $309.95

Was:

Now: $273.00

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