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

Ruger

Ruger AR-15 Upper Parts Kit Complete Forward Assist Dust Cover Black - 91005

MSRP: $34.99

Was:

Now: $23.95

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FailZero

FailZero 6.5 Grendel Type II Bolt Carrier Group Nickel Boron M16 BCG - FZ-6.5-Grendel-01-NH

MSRP: $199.99

Was:

Now: $159.99

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TacFire Inc.

TacFire AR-15 Slick Side Stripped Upper Receiver Black Aluminum - UP02

MSRP: $109.99

Was:

Now: $70.95

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Ballistic Advantage

Ballistic Company AR-15 .300 Black Out - 5.56 .223 Wylde - .350 legend Bolt Carrier Group QPQ - New

MSRP:

Was:

Now: $73.95

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Ruger

Ruger AR-15 Mil-Spec 6-Position Carbine Buffer Tube Receiver Extension Kit Assembly Black - 91006

MSRP: $54.95

Was:

Now: $39.95

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Ruger

Ruger AR-15 Complete Lower Parts Kit with GI Trigger Group and A2 Pistol Grip - 91002

MSRP: $99.95

Was:

Now: $67.95

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Ruger

Ruger AR-15 Factory OEM Lower Receiver Small Parts Kit Complete Springs and Pins - 90992

MSRP: $14.95

Was:

Now: $12.99

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Miscellaneous

Gorilla Machining GM-15 Stripped Upper Receiver includes Charging handle Forward Assist and Dust Cover Kit Black Anodized

MSRP: $99.00

Was:

Now: $75.00

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Cross Armory

Cross Armory AR15 Pin Pal Front Takedown Pin System - CRPP

MSRP:

Was:

Now: $39.99

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Colt's Manufacturing LLC

Colt Diemaco Stripped Upper Receiver Devtek D Mark Black - COLT-DIEMACO-STRIPPED

MSRP:

Was:

Now: $355.00

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Colt's Manufacturing LLC

Colt Receiver Adapter Offset Bushing Large Pin to Small Pin Upper - LRPCAB

MSRP:

Was:

Now: $15.00

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Cross Armory

Cross Armory AR15 Pin Pal Front Takedown Pin System - CRPP

MSRP:

Was:

Now: $37.00

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Bootleg Inc.

Bootleg 5.56 Lightweight Bolt Carrier Group Nitride - BP-C15-BCG

MSRP: $129.95

Was:

Now: $114.95

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Kynshot

KynSHOT Replacement Rubber Bumper for AR Hydraulic Buffers - B55000047

MSRP: $9.99

Was:

Now: $7.49

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Sylvan Arms

Sylvan Arms SA5 Pro AR-15 Folding Stock Adapter Gen 5 Left Fold - SA5P-L

MSRP: $209.99

Was:

Now: $179.99

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DPMS Panther Arms

DPMS Kitty Kat 7.5" 300 Blackout Complete Upper Quad Rail - DP51655170308

MSRP: $479.99

Was:

Now: $379.99

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Primary Weapons Systems

Primary Weapons Systems MK109 MOD 1-M 300BLK Upper 9.75" - MK1-M1U-300BLK-9

MSRP: $1,209.95

Was:

Now: $1,129.95

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Fostech, Inc.

Fostech Havoc AR-15 Charging Handle Ambidextrous Extended Black - 2511-BLK

MSRP:

Was:

Now: $104.99

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Stern Defense

Stern Defense Mag-AD 45 ACP Adapter S&W M&P Mags AR-15

MSRP: $229.99

Was:

Now: $186.99

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Colt's Manufacturing LLC

Colt Forged M4 Upper Receiver Assembly Keyhole No Cage Mark

MSRP:

Was:

Now: $210.00

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LBE Unlimited

LBE Unlimited AR-15 Firing Pin Chrome Finished Steel - ARFPN

MSRP: $10.99

Was:

Now: $8.99

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Wilson Combat

Wilson Combat Ejection Port Cover Hardware Parts Kit AR-15 - TR-EPDK

MSRP: $7.00

Was:

Now: $4.95

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Phase 5 Weapons Systems

Phase 5 AR-15 Ejection Port Cover Surprise Asshole - EPC-SURPRISE

MSRP: $17.50

Was:

Now: $14.99

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Spikes Tactical

Spike's Tactical SFT52B2 Gen 2 Billet Upper Receiver AR-15 Black

MSRP: $270.00

Was:

Now: $229.95

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Ruger

Ruger AR-15 Upper Parts Kit Complete Forward Assist Dust Cover Black - 91005

Ruger Factory OEM AR-15 / AR Pattern Upper Receiver Parts Completion Kit - 91005 Product Description Building a custom modern sporting rifle from a stripped upper receiver shell or overhauling an active, hard-use platform often reveals a subtle...

MSRP: $34.99

Was:

Now: $23.95

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FailZero

FailZero 6.5 Grendel Type II Bolt Carrier Group Nickel Boron M16 BCG - FZ-6.5-Grendel-01-NH

FailZero 6.5 Grendel Type II M16-Profile Factory Assembled Nickel Boron BCG - FZ-6.5-Grendel-01-NH Product Description Transitioning an AR-15 from traditional intermediate calibers to the hard-hitting, long-range ballistic profile of the 6.5 Grendel...

MSRP: $199.99

Was:

Now: $159.99

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TacFire Inc.

TacFire AR-15 Slick Side Stripped Upper Receiver Black Aluminum - UP02

TacFire AR-15 Slick Side Stripped Upper Receiver Matte Black - UP02 Product Description Embarking on a custom AR-15 project requires careful consideration of the core structural interface, particularly when configuring a purpose-built pistol, a...

MSRP: $109.99

Was:

Now: $70.95

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Ballistic Advantage

Ballistic Company AR-15 .300 Black Out - 5.56 .223 Wylde - .350 legend Bolt Carrier Group QPQ - New

Ballistic Company Bolt carrier groups come MPI inspected. Perfect for your next 350 legend / 300 Black Out / 5.56/ .223 build. This product starts at quanity of 5 to get this price! Specifications: Brand Ballistic Company Caliber .223 Wylde / 5.56/ .300...

MSRP:

Was:

Now: $73.95

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Ruger

Ruger AR-15 Mil-Spec 6-Position Carbine Buffer Tube Receiver Extension Kit Assembly Black - 91006

Ruger AR-15 Mil-Spec 6-Position Carbine Buffer Tube Receiver Extension Kit - 91006 Product Description An AR-15 rifle is only as reliable as its internal recoil management matrix, yet the receiver extension assembly is one of the most frequently...

MSRP: $54.95

Was:

Now: $39.95

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Ruger

Ruger AR-15 Complete Lower Parts Kit with GI Trigger Group and A2 Pistol Grip - 91002

Ruger AR-15 Lower Parts Kit with Complete GI Trigger Group and A2 Pistol Grip - 91002 Product Description Building a custom AR-15 from a stripped lower receiver or restoring an older duty rifle requires an uncompromising foundation of internal components...

MSRP: $99.95

Was:

Now: $67.95

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Ruger

Ruger AR-15 Factory OEM Lower Receiver Small Parts Kit Complete Springs and Pins - 90992

Ruger AR-15 Factory OEM Lower Receiver Small Parts Kit - 90992 Product Description Every seasoned AR-15 shooter, armorer, and builder knows the sinking feeling of a launch-heavy detent or a microscopic spring rocketing across the workshop into oblivion...

MSRP: $14.95

Was:

Now: $12.99

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Miscellaneous

Gorilla Machining GM-15 Stripped Upper Receiver includes Charging handle Forward Assist and Dust Cover Kit Black Anodized

Gorilla Machining GM-15 Stripped Upper Receiver Assembly Kit with Charging Handle, Forward Assist, and Dust Cover GM-URDCFA-1-2 Product Description When engineering or assembling custom AR-15 rifle configurations, armorers and tactical builders...

MSRP: $99.00

Was:

Now: $75.00

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Cross Armory

Cross Armory AR15 Pin Pal Front Takedown Pin System - CRPP

Cross Armory® AR15 Pin Pal Front Takedown Pin Replacement System – 4140 Ordnance Steel Construction – Low-Friction Black Melonite Hard Coat – Pre-Lubricated Porous Metal Captive Bearing – CRPP Product Description The Cross...

MSRP:

Was:

Now: $39.99

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Colt's Manufacturing LLC

Colt Diemaco Stripped Upper Receiver Devtek D Mark Black - COLT-DIEMACO-STRIPPED

*RARE* Colt Canada Diemaco Stripped Upper Receiver New old stock in original packaging M4 Feedramps Will show storage wear

MSRP:

Was:

Now: $355.00

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Colt's Manufacturing LLC

Colt Receiver Adapter Offset Bushing Large Pin to Small Pin Upper - LRPCAB

Colt® Retro AR-15 Upper Receiver Offset Adapter Bushing – Large Pin (.315") to Small Pin (.250") Conversion Matrix – Premium Black Oxide Carbon Steel – LRPCAB Product Description The Colt® Retro AR-15 Upper Receiver Offset...

MSRP:

Was:

Now: $15.00

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Cross Armory

Cross Armory AR15 Pin Pal Front Takedown Pin System - CRPP

Cross Armory® AR15 Pin Pal Front Takedown Pin Replacement System – 4140 Ordnance Steel Construction – Low-Friction Black Melonite Hard Coat – Pre-Lubricated Porous Metal Captive Bearing – CRPP Product Description The Cross...

MSRP:

Was:

Now: $37.00

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Bootleg Inc.

Bootleg 5.56 Lightweight Bolt Carrier Group Nitride - BP-C15-BCG

Bootleg® 5.56 Lightweight Assembled Nitride Bolt Carrier Group – Reduced Mass M16 Profile – Machined 4140 Steel Carrier – 9310 Steel Bolt – Properly Staked Mil-Spec Gas Key – Black Nitride Finish –...

MSRP: $129.95

Was:

Now: $114.95

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Kynshot

KynSHOT Replacement Rubber Bumper for AR Hydraulic Buffers - B55000047

*CONTACT US FOR A SPECIAL COUPON CODE!* KynSHOT® High-Performance Replacement Hydraulic Buffer Rubber Bumper – Fits AR-15 & AR-10 Platform Hydraulic Buffers – Specialized Energy-Absorbing Elastomer – Matte Black –...

MSRP: $9.99

Was:

Now: $7.49

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Sylvan Arms

Sylvan Arms SA5 Pro AR-15 Folding Stock Adapter Gen 5 Left Fold - SA5P-L

*CONTACT US FOR A SPECIAL COUPON CODE!* Sylvan Arms® SA5 Pro Gen 5 Premium Side-Folding Stock Adapter – Fits AR-15 & AR-10 Platforms – CNC-Machined 4140 Steel – Left-Folding Hinge – Matte Black – SA5P-L Product...

MSRP: $209.99

Was:

Now: $179.99

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DPMS Panther Arms

DPMS Kitty Kat 7.5" 300 Blackout Complete Upper Quad Rail - DP51655170308

DPMS Panther Arms® "Kitty Kat" Premium Complete Upper Receiver Assembly – .300 AAC Blackout – 7.5" Heavy Nitride Barrel – 6.5" Free-Float Aluminum Quad Rail Handguard – Includes Full-Auto BCG & CH –...

MSRP: $479.99

Was:

Now: $379.99

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Primary Weapons Systems

Primary Weapons Systems MK109 MOD 1-M 300BLK Upper 9.75" - MK1-M1U-300BLK-9

*CONTACT US FOR A SPECIAL COUPON CODE!* Primary Weapons Systems® MK109 MOD 1-M Complete Upper Receiver Assembly – Fits Standard AR-15 Lowers – .300 AAC Blackout – 9.75" Match Grade Barrel – Iconic Long-Stroke Piston System...

MSRP: $1,209.95

Was:

Now: $1,129.95

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Fostech, Inc.

Fostech Havoc AR-15 Charging Handle Ambidextrous Extended Black - 2511-BLK

FosTecH® Havoc™ Extended Ambidextrous AR-15 Charging Handle – Monolithic 7075-T6 Billet – Type III Hardcoat Anodized Black – 2511-BLK The FosTecH® Havoc™ Precision Extended Ambidextrous AR-15 Charging Handle...

MSRP:

Was:

Now: $104.99

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Stern Defense

Stern Defense Mag-AD 45 ACP Adapter S&W M&P Mags AR-15

*CONTACT US FOR A SPECIAL COUPON CODE!* Stern Defense® MAG-AD Series AR-15 Lower Conversion Adapter – Fits Smith & Wesson® M&P .45 ACP Magazines – 001-SD MAG-AD-MP-45ACP-M The Stern Defense® MAG-AD M&P .45 ACP AR-15...

MSRP: $229.99

Was:

Now: $186.99

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Colt's Manufacturing LLC

Colt Forged M4 Upper Receiver Assembly Keyhole No Cage Mark

Built to the correct military specifications Colt ‘M4’ marked upper. These are not ‘C’ marked. CAGE codes may be roll marked but are normally etched/dot matrix marked. Features: Precision machined to correct Mil-Specs from 7075...

MSRP:

Was:

Now: $210.00

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LBE Unlimited

LBE Unlimited AR-15 Firing Pin Chrome Finished Steel - ARFPN

LBE Unlimited® AR-15 Precision Firing Pin – Chrome Finished Steel – ARFPN The LBE Unlimited® AR-15 Precision Firing Pin (ARFPN) is a 2026-spec premium upper receiver service component engineered to deliver unflinching structural...

MSRP: $10.99

Was:

Now: $8.99

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Wilson Combat

Wilson Combat Ejection Port Cover Hardware Parts Kit AR-15 - TR-EPDK

Wilson Combat® Ejection Port Cover Hardware Parts Kit – AR-15 – Black Steel – TR-EPDK The Wilson Combat® Ejection Port Cover Hardware Parts Kit (TR-EPDK) is a premium, mil-spec replacement component bundle engineered to anchor...

MSRP: $7.00

Was:

Now: $4.95

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Phase 5 Weapons Systems

Phase 5 AR-15 Ejection Port Cover Surprise Asshole - EPC-SURPRISE

Phase 5 Weapon Systems® AR-15 Ejection Port Cover – "Surprise Asshole" – EPC-SURPRISE The Phase 5 Weapon Systems® AR-15 Ejection Port Cover (EPC-SURPRISE) is a rugged, laser-engraved component designed to add a distinct splash of...

MSRP: $17.50

Was:

Now: $14.99

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Spikes Tactical

Spike's Tactical SFT52B2 Gen 2 Billet Upper Receiver AR-15 Black

*CONTACT US FOR A SPECIAL COUPON CODE!* Spike's Tactical Generation 2 Billet Upper Receiver – .223/5.56 – SFT52B2 The Spike's Tactical Gen II Billet Upper (810083267760) is a 2026-spec premium receiver that moves beyond mere aesthetics to...

MSRP: $270.00

Was:

Now: $229.95

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