Shop All - Firearm Accessories & Parts - AR-10 Parts & Accessories - AR10 Lower Parts

Armaspec

Armaspec Sound Mitigation Buffer SMB-AR10 GEN3

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Now: $53.99

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Kynshot

KynSHOT RB5006 AR-10 7.62mm/.308 Recoil Buffer for Fixed Stocks

MSRP: $154.99

Was:

Now: $129.99

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Odin Works

Odin Works Adjustable Buffer - AR15 Lite, Comes with 3 Aluminum, 3 Stainless Steel, and 1 Tungsten Weights - OS-ABS-AR15-LITE

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Now: $46.55

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Kynshot

KynSHOT RB5005 AR-10 7.62mm/.308 Recoil Buffer w/ Standard Collapsible Stock

MSRP: $154.99

Was:

Now: $129.99

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Aero Precision

Aero Precision M5 .308 Enhanced Carbine Buffer Kit - Fits AR10, Kodiak Brown

MSRP: $135.00

Was:

Now: $104.99

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Armaspec

Armaspec SRS Buffer Kit Gen 4 Stealth Recoil Spring for AR-10 - 5.7 oz Weight, Includes Buffer Tube, Castle Nut, End Plate

MSRP: $129.95

Was:

Now: $108.89

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Strike Industries

Strike AR-10 Enhanced Lower Receiver Parts Less Trigger, Hammer and Disconnector

MSRP: $59.95

Was:

Now: $53.95

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Armaspec

Armaspec SMB Buffer Tube Kit Gen 3 - Sound Mitigation Buffer-AR10, Fits AR-10, Stainless Steel Construction

MSRP: $95.99

Was:

Now: $86.39

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Aero Precision

Aero Precision M5 .308 Carbine Buffer Kit - Black

MSRP: $114.99

Was:

Now: $94.99

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Aero Precision

Aero Precision M5 .308 Enhanced Carbine Buffer Kit - Fits AR10, OD Green

MSRP: $110.00

Was:

Now: $94.99

Out of stock
Luth-AR

Luth-AR 308 Lower Receiver Parts Builders Kit - Fits AR-10, Black

MSRP: $44.99

Was:

Now: $42.99

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Nemo Arms

Nemo Arms Large Frame (AR10 / .308) Recoil Reduction Kit

MSRP: $699.00

Was:

Now: $664.00

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Spikes Tactical

Spike's Tactical .308 Billet Small Parts Kit - For .308 Livewire and Jack10 Billet Sets

MSRP: $39.95

Was:

Now: $35.10

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Cross Armory

Cross Armory Rear Takedown Quick Pin for AR10 / .308 Weapons - 7075-T6 Aluminum, Black

MSRP: $140.95

Was:

Now: $122.50

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Strike Industries

Strike Industries Enhanced AR-10 Bolt Catch - Black

MSRP: $15.95

Was:

Now: $14.95

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2A-Armament

2A Armament Builder Series AR10 Buffer Tube Assembly - 5-Position Billet Buffer, Aluminum End Plate, Steel Barrel Nut, Anodized Black Finish

MSRP: $96.55

Was:

Now: $88.92

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ATI Outdoors

ATI Outdoors AR-10 .308 Military Buffer Tube Assembly - Black

MSRP: $63.99

Was:

Now: $58.95

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Strike Industries

Strike Industries AR-10 Shift Pins - Gold

MSRP: $30.95

Was:

Now: $28.95

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Aero Precision

Aero Precision M5 MOE Lower Parts Kit - FDE

MSRP: $129.99

Was:

Now: $102.99

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CMMG Inc.

CMMG MK3 AR-10 Buffer Assembly - 3.9 oz, Carbine, Silver

MSRP: $42.95

Was:

Now: $37.95

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Battle Arms Development

Battle Arms Development AR10/308 Enhanced Takedown Pin Set - LR-308/SR-25/AR308

MSRP: $36.95

Was:

Now: $32.95

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Luth-AR

Luth-AR Fixed Rifle Length Complete Buffer Tube Assembly Fits AR-10 Rifles - Buffer, Buffer Tube, & Spring, Black

MSRP: $64.99

Was:

Now: $61.09

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Luth-AR

Luth-AR .308 AR Complete Lower Receiver Parts Kit Matte Black

MSRP: $76.99

Was:

Now: $72.37

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TacFire Inc.

TACFIRE Buffer Tube Spring for .308 /AR10 Rifles

MSRP: $4.50

Was:

Now: $3.95

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Armaspec

Armaspec Sound Mitigation Buffer SMB-AR10 GEN3

The Gen3 Sound Mitigation Buffer™ SMB™ is a single-stage drop-in replacement for your standard buffer and spring. The SMB™ is designed to keep the buffer spring from rubbing against the inner wall of the buffer tube providing smooth,...

MSRP:

Was:

Now: $53.99

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Kynshot

KynSHOT RB5006 AR-10 7.62mm/.308 Recoil Buffer for Fixed Stocks

KynSHOT encourages everyone to follow the proper gun safety guidelines when handling any firearm at all times. The KynSHOT RB5006 Recoil Buffer is a hydraulic buffer system designed and optimized to fit any AR-10 using a Mil-Spec style...

MSRP: $154.99

Was:

Now: $129.99

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Odin Works

Odin Works Adjustable Buffer - AR15 Lite, Comes with 3 Aluminum, 3 Stainless Steel, and 1 Tungsten Weights - OS-ABS-AR15-LITE

ODIN Works is always looking for new ways to make your build as customizable as possible to fit you, the shooter. This adjustable buffer does just that. Available to fit AR-10, AR-15 and 9mm platforms, each buffer also comes with multiple weights to...

MSRP:

Was:

Now: $46.55

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Kynshot

KynSHOT RB5005 AR-10 7.62mm/.308 Recoil Buffer w/ Standard Collapsible Stock

KynSHOT encourages everyone to follow the proper gun safety guidelines when handling any firearm at all times. The KynSHOT RB5005 Recoil Buffer is a hydraulic buffer system designed and optimized to fit any AR-10 using an AR-10 length/A5...

MSRP: $154.99

Was:

Now: $129.99

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Aero Precision

Aero Precision M5 .308 Enhanced Carbine Buffer Kit - Fits AR10, Kodiak Brown

The M5 .308 Enhanced Carbine Buffer Kit is the perfect complement to standard .308 rifle builds. This kit highlights our Enhanced Carbine Buffer Tube that delivers features that increase the reliability, security, and simplicity of your build...

MSRP: $135.00

Was:

Now: $104.99

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Armaspec

Armaspec SRS Buffer Kit Gen 4 Stealth Recoil Spring for AR-10 - 5.7 oz Weight, Includes Buffer Tube, Castle Nut, End Plate

Includes Buffer Tube, Castle Nut, End Plate The Armaspec enhanced buffer tube kit contains all the necessary parts required to mount a stock assembly on to a lower receiver. The buffer tube kit, contains a mil-spec 7075-T6 6 position buffer tube, a...

MSRP: $129.95

Was:

Now: $108.89

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Strike Industries

Strike AR-10 Enhanced Lower Receiver Parts Less Trigger, Hammer and Disconnector

The Strike Industries AR-10 Enhanced Lower Receiver Parts Less Trigger, Hammer and Disconnector includes most of the necessary parts to build (or enhance/upgrade) a lower receiver minus the trigger group, pistol grip and trigger guard for those lowers...

MSRP: $59.95

Was:

Now: $53.95

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Armaspec

Armaspec SMB Buffer Tube Kit Gen 3 - Sound Mitigation Buffer-AR10, Fits AR-10, Stainless Steel Construction

The Gen3 Sound Mitigation Buffer™ SMB™ is a single-stage drop-in replacement for your standard buffer and spring. The SMB™ is designed to keep the buffer spring from rubbing against the inner wall of the buffer tube providing...

MSRP: $95.99

Was:

Now: $86.39

Add to Cart
Aero Precision

Aero Precision M5 .308 Carbine Buffer Kit - Black

The Aero Precision M5 .308 Carbine Buffer Kit includes a MIL-SPEC 7075-T6 aluminum 6-position receiver extension. A .308 carbine buffer, buffer spring, end plate and castle nut, are also included. INCLUDES: Mil-Spec 7075-T6 Aluminum Buffer Tube,...

MSRP: $114.99

Was:

Now: $94.99

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Aero Precision

Aero Precision M5 .308 Enhanced Carbine Buffer Kit - Fits AR10, OD Green

The M5 .308 Enhanced Carbine Buffer Kit is the perfect complement to standard .308 rifle builds. This kit highlights the Aero Precision Enhanced Carbine Buffer Tube that delivers features that increase the reliability, security, and simplicity...

MSRP: $110.00

Was:

Now: $94.99

Out of stock
Luth-AR

Luth-AR 308 Lower Receiver Parts Builders Kit - Fits AR-10, Black

Lower Receiver Parts Builder Kit – .308 No MIM here. Luth-AR produces only the best quality, American made parts for the AR platform. All of the parts included in our lower parts kits are investment cast or otherwise machined to Mil-Spec drawings,...

MSRP: $44.99

Was:

Now: $42.99

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Nemo Arms

Nemo Arms Large Frame (AR10 / .308) Recoil Reduction Kit

*CONTACT US FOR A SPECIAL COUPON CODE!* Nemo’s patented bolt carrier and buffer system has never been offered in a builder’s kit until now. The same quality components, high-end coatings, and innovative recoil reduction technology that...

MSRP: $699.00

Was:

Now: $664.00

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Spikes Tactical

Spike's Tactical .308 Billet Small Parts Kit - For .308 Livewire and Jack10 Billet Sets

This kit is designed to be used with your Jack10 or Livewire set. To complete the lower you will want to also purchase a buffer tube assembly, stock, and trigger group of your choice. Proudly made here in the USA. For .308 Livewire and Jack10 Billet...

MSRP: $39.95

Was:

Now: $35.10

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Cross Armory

Cross Armory Rear Takedown Quick Pin for AR10 / .308 Weapons - 7075-T6 Aluminum, Black

By removing your rear takedown pin and installing Cross Armory’s QUICK PINS you will enjoy improved convenience when breaking down your weapon. QUICK PINS allow for easy opening and servicing of your weapon with a simple pinch of your fingers...

MSRP: $140.95

Was:

Now: $122.50

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Strike Industries

Strike Industries Enhanced AR-10 Bolt Catch - Black

The Strike AR-10 Enhanced Bolt Catch is another piece in the SI line of high quality parts for the AR-10 market. This SI Enhanced Bolt Catch (EBC) features an extra wide bolt catch lower lever surface and grooves for added grip which helps make its...

MSRP: $15.95

Was:

Now: $14.95

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2A-Armament

2A Armament Builder Series AR10 Buffer Tube Assembly - 5-Position Billet Buffer, Aluminum End Plate, Steel Barrel Nut, Anodized Black Finish

The Builder Series offers a vast number of 2A Armament components that have been made with the AR builder in mind. The Builder Series offers high quality products at a competitive price . The Builder Series AR10 Buffer Tube Assembly is manufactured...

MSRP: $96.55

Was:

Now: $88.92

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ATI Outdoors

ATI Outdoors AR-10 .308 Military Buffer Tube Assembly - Black

Fits: AR-10 AR Variants AR-10 Military-Spec Buffer Tube Military Diameter Threads for Maximum Fit into AR-15 Receiver Constructed of Military Type III Anodized, 6061 T6 Aluminum Includes Steel Military Grade E-Coated Castle Nut and Locking Ring Includes...

MSRP: $63.99

Was:

Now: $58.95

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Strike Industries

Strike Industries AR-10 Shift Pins - Gold

The Strike Industries Shift Pins bring yet another innovative solution to the AR-10/LR-308 market. Already keeping the extended grip surface for easy disassembly without a need for a pin punch, the pins are also designed with Quick Detach mechanisms that...

MSRP: $30.95

Was:

Now: $28.95

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Aero Precision

Aero Precision M5 MOE Lower Parts Kit - FDE

This M5 Lower Parts Kit includes the components needed to assemble an Aero Precision M5 Lower Receiver. It features a Magpul MOE Grip. See below for a full list of included components. M5 Specific Parts include: M5 Takedown Pin, M5 Pivot Pin, M5 Bolt...

MSRP: $129.99

Was:

Now: $102.99

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CMMG Inc.

CMMG MK3 AR-10 Buffer Assembly - 3.9 oz, Carbine, Silver

Buffer Assembly , Carbine, Mk3 Designed for CMMG® Mk3/High Pattern LR-308 rifles with carbine length buffer systems. Backed by CMMG’s Lifetime Quality Guarantee. Mk3 Carbine Buffer Weight: 3.9 oz Made in the United States of America

MSRP: $42.95

Was:

Now: $37.95

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Battle Arms Development

Battle Arms Development AR10/308 Enhanced Takedown Pin Set - LR-308/SR-25/AR308

Battle Arms Development Enhanced Pin Set (BAD-EPS) for the AR308 style rifles. Precision Swiss CNC machined from round stock steel bars, finished in black nitride. The BAD-EPS features the following improvements and features: AR308 - Fits DPMS Gen...

MSRP: $36.95

Was:

Now: $32.95

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Luth-AR

Luth-AR Fixed Rifle Length Complete Buffer Tube Assembly Fits AR-10 Rifles - Buffer, Buffer Tube, & Spring, Black

Kit includes everything for a new .308/7.62 AR A2 Rifle build or to convert your current AR Carbine to a A2 AR Rifle buffer tube recoil system. Note: Converting a carbine length gas system to use a A2 Rifle length buffer system may cause reliability...

MSRP: $64.99

Was:

Now: $61.09

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Luth-AR

Luth-AR .308 AR Complete Lower Receiver Parts Kit Matte Black

Luth-AR is the name to trust when it comes to purchasing high quality parts and accessories for your AR platform firearms. Using high quality parts is the best way to reduce frustration when trying to build and complete your AR style lower receivers...

MSRP: $76.99

Was:

Now: $72.37

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TacFire Inc.

TACFIRE Buffer Tube Spring for .308 /AR10 Rifles

Our USA made .308 buffer spring is constructed of the same material found in piano wire. This is meant to reduce the "twang" you hear whenever a round is fired from an AR.

MSRP: $4.50

Was:

Now: $3.95

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