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

One Horse LLC

One Horse OH-UR01 A3 Flat-Top Stripped Upper - Unfinished Raw Aluminum

MSRP: $75.00

Was:

Now: $49.95

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Miscellaneous

One Horse M16 .223/5.56 Bolt Carrier Group - Black Nitride - OH-UBCO1

MSRP: $99.99

Was:

Now: $70.00

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Battle Arms Development

B.A.D. Authority Elite 16-Inch Upper Receiver - Compact Ambi RACK-15 C Handle - BAD-AUTH-UR16B-Y-15C

MSRP: $900.00

Was:

Now: $824.00

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Battle Arms Development

B.A.D. Workhorse 16-Inch Upper Receiver Group - 5.56 NATO - WH-UR16B-Y-15

MSRP: $724.95

Was:

Now: $692.95

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Battle Arms Development

Battle Arms Development WORKHORSE 16" 5.56 Complete Upper - Compact Ambi Handle - WH-UR16B-Y-15C

MSRP: $724.95

Was:

Now: $692.95

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Seekins Precision

Seekins Precision Select Adj Gas Block .875 - Tool-Free Suppressor Switch

MSRP: $119.00

Was:

Now: $109.95

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Faxon Firearms

Faxon Duty Series 16" Gunner 7.62x39 Complete Upper - Suppressor Ready - FX-URG-D76216GA15-C-SR

MSRP: $870.00

Was:

Now: $801.00

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Primary Weapons Systems

PWS MK116 MOD 1-M 7.62x39 Upper Receiver - 16.1" Piston Driven - MK1-M1U-762X39-16

MSRP: $1,209.95

Was:

Now: $1,109.95

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Primary Weapons Systems

PWS MK116 MOD 2-M 7.62x39mm Complete Piston Driven Upper - 16.1 Inch Barrel - 811154033253

MSRP: $1,499.95

Was:

Now: $1,379.95

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TacFire Inc.

TacFire PK9MM-LPK-7 9mm Pistol Build Kit | 7" Barrel Unassembled Kit with Lower Parts Kit for 9mm AR Pistol

MSRP: $425.00

Was:

Now: $319.95

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Sylvan Arms

Sylvan Arms SA5 Pro AR-15 Folding Stock Adapter Gen 5 Right Fold - SA5P-R

MSRP: $229.99

Was:

Now: $179.99

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Radian Weapons

Radian Weapons R0940 Raptor-SD & Talon Safety Combo - FDE - AR15/M16

MSRP: $189.99

Was:

Now: $164.95

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LBE Unlimited

LBE Unlimited H1 Heavy Gold Buffer - ARBUFF-H1

MSRP: $42.99

Was:

Now: $34.95

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LanTac USA

Lantac USA M-SPEC NiB 5.56/.223 M-Spec Nickel Boron Bolt Carrier Group

MSRP: $209.99

Was:

Now: $179.99

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Armaspec

Armaspec Superlight AR-15 Gun Builders Kit - OD Green

MSRP: $79.99

Was:

Now: $67.95

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Armaspec

Armaspec Rhino R-23 Tactical Magwell Grip and Funnel - Flat Dark Earth

MSRP: $27.95

Was:

Now: $19.95

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Armaspec

Armaspec Rhino R-23 Tactical Magwell Grip and Funnel - Grey

MSRP: $27.95

Was:

Now: $19.95

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Armaspec

Armaspec Rhino R-23 Tactical Magwell Grip and Funnel - OD Green

MSRP: $27.95

Was:

Now: $19.95

Add to Cart
Battle Arms Development

Battle Arms Development Workhorse Low Profile .750 Gas Block - Matte Black Finish

MSRP: $39.99

Was:

Now: $34.99

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Bear Creek Arsenal

*BLEM* Bear Creek Arsenal AR-15 Bolt Carrier Group - *BLEM*

MSRP:

Was:

Now: $69.00

Out of stock
Wilson Combat

Wilson Combat Low Mass AR-15 Bolt Carrier Group - Polish Nickel Boron

MSRP: $275.00

Was:

Now: $226.95

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LanTac USA

LanTac USA M-SPEC Lower Parts Kit for AR-15 - Black

MSRP: $45.99

Was:

Now: $40.95

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Sons of Liberty Gun Works

Sons of Liberty Gun Works Forward Assist Kit with Rebellious Stripes Button Design - Black

MSRP: $50.00

Was:

Now: $40.00

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Sons of Liberty Gun Works

Sons of Liberty Gun Works Ambi Safety Selector Kit - Black

MSRP: $45.00

Was:

Now: $30.00

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One Horse LLC

One Horse OH-UR01 A3 Flat-Top Stripped Upper - Unfinished Raw Aluminum

One Horse LLC OH-UR01 AR15 A3 Stripped Upper – In the White The One Horse LLC OH-UR01 Stripped Upper Receiver (850078799340) is the perfect blank canvas for the custom builder who wants total control over their rifle’s final appearance...

MSRP: $75.00

Was:

Now: $49.95

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Miscellaneous

One Horse M16 .223/5.56 Bolt Carrier Group - Black Nitride - OH-UBCO1

Upgrade your AR-15 with the One Horse M16 .223/5.56 Bolt Carrier Group in Black Nitride – a Mil-Spec powerhouse designed for seamless performance in demanding conditions. Crafted for shooters who demand reliability without compromise,...

MSRP: $99.99

Was:

Now: $70.00

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Battle Arms Development

B.A.D. Authority Elite 16-Inch Upper Receiver - Compact Ambi RACK-15 C Handle - BAD-AUTH-UR16B-Y-15C

*CONTACT US FOR A SPECIAL COUPON CODE!* Battle Arms Development AUTHORITY ELITE 16" Complete Upper – 5.56 NATO The Battle Arms Development (B.A.D.) AUTHORITY ELITE Complete Upper (BAD-AUTH-UR16B-Y-15C) represents the pinnacle of the B.A.D. lineup,...

MSRP: $900.00

Was:

Now: $824.00

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Battle Arms Development

B.A.D. Workhorse 16-Inch Upper Receiver Group - 5.56 NATO - WH-UR16B-Y-15

*CONTACT US FOR A SPECIAL COUPON CODE!* Battle Arms Development WORKHORSE 16" Complete Upper – 5.56 NATO The Battle Arms Development (B.A.D.) WORKHORSE Complete Upper (WH-UR16B-Y-15C) is a duty-ready assembly built for those who value the perfect...

MSRP: $724.95

Was:

Now: $692.95

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Battle Arms Development

Battle Arms Development WORKHORSE 16" 5.56 Complete Upper - Compact Ambi Handle - WH-UR16B-Y-15C

*CONTACT US FOR A SPECIAL COUPON CODE!* Battle Arms Development WORKHORSE 16" Complete Upper – 5.56 NATO The Battle Arms Development (B.A.D.) WORKHORSE Complete Upper (WH-UR16B-Y-15C) is a duty-ready assembly built for military-grade reliability...

MSRP: $724.95

Was:

Now: $692.95

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Seekins Precision

Seekins Precision Select Adj Gas Block .875 - Tool-Free Suppressor Switch

Seekins Precision Select Adjustable Gas Block – .875" – Tool-Free Adjustment The Seekins Precision Select Adjustable Gas Block (0011510067) is a revolutionary solution for shooters who need to transition between suppressed and unsuppressed...

MSRP: $119.00

Was:

Now: $109.95

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Faxon Firearms

Faxon Duty Series 16" Gunner 7.62x39 Complete Upper - Suppressor Ready - FX-URG-D76216GA15-C-SR

*CONTACT US FOR A SPECIAL COUPON CODE!* Faxon Duty Series 16" Gunner 7.62x39 Complete Upper - Suppressor Ready The Faxon Duty Series 16" Gunner 7.62x39 Complete Upper is a purpose-built solution for shooters who want the hard-hitting power of the 7...

MSRP: $870.00

Was:

Now: $801.00

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Primary Weapons Systems

PWS MK116 MOD 1-M 7.62x39 Upper Receiver - 16.1" Piston Driven - MK1-M1U-762X39-16

*CONTACT US FOR A SPECIAL COUPON CODE!* PWS MK116 MOD 1-M 7.62x39 Upper Receiver - 16.1" Piston Driven The Primary Weapons Systems (PWS) MK116 MOD 1-M is a mission-ready upper receiver designed to bring extreme reliability to the 7.62x39mm AR platform...

MSRP: $1,209.95

Was:

Now: $1,109.95

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Primary Weapons Systems

PWS MK116 MOD 2-M 7.62x39mm Complete Piston Driven Upper - 16.1 Inch Barrel - 811154033253

*CONTACT US FOR A SPECIAL COUPON CODE!* PWS MK116 MOD 2-M Upper Receiver 7.62x39 - 16.1" Barrel The Primary Weapons Systems (PWS) MK116 MOD 2-M is a top-tier long-stroke piston upper receiver specifically engineered to handle the 7.62x39mm cartridge with...

MSRP: $1,499.95

Was:

Now: $1,379.95

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TacFire Inc.

TacFire PK9MM-LPK-7 9mm Pistol Build Kit | 7" Barrel Unassembled Kit with Lower Parts Kit for 9mm AR Pistol

The TacFire 9mm Luger 7" Barrel Pistol Build Kit is a complete unassembled kit designed for building a compact, reliable 9mm AR-style pistol on a dedicated 9mm lower receiver. It includes a 7" barrel, upper receiver components, and a full lower parts...

MSRP: $425.00

Was:

Now: $319.95

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Sylvan Arms

Sylvan Arms SA5 Pro AR-15 Folding Stock Adapter Gen 5 Right Fold - SA5P-R

*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 – Right-Folding Hinge – Matte Black – SA5P-R Product...

MSRP: $229.99

Was:

Now: $179.99

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Radian Weapons

Radian Weapons R0940 Raptor-SD & Talon Safety Combo - FDE - AR15/M16

*CONTACT US FOR A SPECIAL COUPON CODE!* Radian Raptor-SD™ & Talon™ Combo – Flat Dark Earth (FDE) – AR15/M16 The Radian Weapons R0940 Combo is the ultimate control-interface upgrade for suppressed AR-15 rifles. This package...

MSRP: $189.99

Was:

Now: $164.95

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LBE Unlimited

LBE Unlimited H1 Heavy Gold Buffer - ARBUFF-H1

The LBE Unlimited H1 Heavy Gold Buffer (model ARBUFF-H1) is a carbine-length recoil buffer designed for AR-15/M16 platforms. It serves as a drop-in upgrade from a standard carbine buffer to help tune recoil impulse, improve cycling reliability, and...

MSRP: $42.99

Was:

Now: $34.95

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LanTac USA

Lantac USA M-SPEC NiB 5.56/.223 M-Spec Nickel Boron Bolt Carrier Group

*CONTACT US FOR A SPECIAL COUPON CODE!* The Lantac USA 01-MSPEC-556-NIB-BCG is the M-SPEC® NiB (Nickel Boron) variant of Lantac's 5.56/.223 Bolt Carrier Group (BCG) for AR-15/M4/M16-style rifles. It's a mil-spec dimensioned BCG with targeted upgrades...

MSRP: $209.99

Was:

Now: $179.99

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Armaspec

Armaspec Superlight AR-15 Gun Builders Kit - OD Green

The Armaspec Superlight AR-15 Gun Builders Kit OD Green (ARM251-ODG) is a premium, lightweight builder's kit for AR-15 lower receivers. It focuses on enhanced, upgraded components rather than a full mil-spec lower parts kit (LPK). Key...

MSRP: $79.99

Was:

Now: $67.95

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Armaspec

Armaspec Rhino R-23 Tactical Magwell Grip and Funnel - Flat Dark Earth

The Rhino R-23 tactical magwell grip and funnel is designed to significantly improve magazine reload speed and firearm handling. The Rhino™ reduces magazines change times on average by 48% and without ever having to take your eyes off your target,...

MSRP: $27.95

Was:

Now: $19.95

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Armaspec

Armaspec Rhino R-23 Tactical Magwell Grip and Funnel - Grey

The Rhino R-23 tactical magwell grip and funnel is designed to significantly improve magazine reload speed and firearm handling. The Rhino™ reduces magazines change times on average by 48% and without ever having to take your eyes off your target,...

MSRP: $27.95

Was:

Now: $19.95

Add to Cart
Armaspec

Armaspec Rhino R-23 Tactical Magwell Grip and Funnel - OD Green

The Rhino R-23 tactical magwell grip and funnel is designed to significantly improve magazine reload speed and firearm handling. The Rhino™ reduces magazines change times on average by 48% and without ever having to take your eyes off your target,...

MSRP: $27.95

Was:

Now: $19.95

Add to Cart
Battle Arms Development

Battle Arms Development Workhorse Low Profile .750 Gas Block - Matte Black Finish

The Battle Arms Development Workhorse Low Profile Gas Block (.750) is a solid choice for builders looking for a rugged, "no-frills" component that fits under slim handguards. It’s designed specifically to balance weight and durability without the...

MSRP: $39.99

Was:

Now: $34.99

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Bear Creek Arsenal

*BLEM* Bear Creek Arsenal AR-15 Bolt Carrier Group - *BLEM*

These are being sold as is. Non-Refundable. May Have Engravings / Need Cleaning. May require light gun smithing. The best BCGs for replacement parts and builds have strong and dependable carriers with trusty bolt assemblies that...

MSRP:

Was:

Now: $69.00

Out of stock
Wilson Combat

Wilson Combat Low Mass AR-15 Bolt Carrier Group - Polish Nickel Boron

You can trust the nickel boron Wilson Combat Bolt Carrier Assembly for 5.56 NATO, crafted with meticulous attention to detail, this low mass and light weight BCG will provide reliable performance when you need it most. The Wilson Combat WCTR-BCA-LMPNIB...

MSRP: $275.00

Was:

Now: $226.95

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LanTac USA

LanTac USA M-SPEC Lower Parts Kit for AR-15 - Black

The Lantac M-SPEC AR-15 Lower Parts Kit is a high-quality set of components designed for AR-15 builds and upgrades. Each part is manufactured to meet current military specifications, using the correct materials, heat treatments, and finishes to ensure...

MSRP: $45.99

Was:

Now: $40.95

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Sons of Liberty Gun Works

Sons of Liberty Gun Works Forward Assist Kit with Rebellious Stripes Button Design - Black

The Sons of Liberty Gun Works (SOLGW) Forward Assist Kit featuring the Rebellious Stripes design is a popular aesthetic upgrade that replaces the standard mil-spec "checkered" button with SOLGW’s signature five-stripe logo. Kit...

MSRP: $50.00

Was:

Now: $40.00

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Sons of Liberty Gun Works

Sons of Liberty Gun Works Ambi Safety Selector Kit - Black

If you prefer a classic look and a more affordable price point, this kit provides a standard 90-degree throw with traditional mil-spec styling on both sides. Unlike SOLGW "The Quick" ambi safety selectors these levers are typically secured with a screw...

MSRP: $45.00

Was:

Now: $30.00

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