AR-10 Parts

AR-10 Parts

Build or maintain your heavy-frame modern sporting rifle. Shop our high-quality AR-10 parts catalog, featuring enhanced bolt carrier groups (BCGs), charging handles, and precision barrels. 

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  • LMT Defense - Rear Takedown Pin - .308 - #LM308A7 - Boss Firearms

    LMT Defense - Rear Takedown Pin - .308 - LM308A7

    LMT Defense

    $14.22
    The LMT Defense Rear Takedown Pin for .308/AR-10 (LM308A7) is a precision-machined replacement rear takedown pin designed specifically for LMT's MARS-H and MWS .308/7.62x51mm AR-10 platform lower receivers. Machined to LMT's exacting mil-spec tolerances,...
    $14.22
    Qty in Cart: 0
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    $14.22
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  • Out of stock
    On Sale
    Magpul PRS GEN3 Precision-Adjustable Stock Fits AR-15/AR-10 - MAG672-BLK - 840815109594 - Boss Firearms - BossFirearms.com

    Magpul PRS GEN3 Precision-Adjustable Stock Fits AR-15/AR-10 - Black #MAG672-Blk

    Magpul Industries

    MSRP: $259.95
    Now: $246.95
    Was: $259.95
    The PRS GEN3 is a field precision stock for AR15/M16 and AR10/SR25 platforms, featuring tool-less length of pull and cheek piece height adjustment. With solid adjustments for length of pull and cheek piece height via aluminum detent knobs, the PRS GEN3...
    MSRP: $259.95
    Now: $246.95
    Was: $259.95
    Qty in Cart: 0
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    MSRP: $259.95
    Now: $246.95
    Was: $259.95
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  • Out of stock
    On Sale
    Magpul Bipod Hard Anodized 6061 T-6 Aluminum Fits A.R.M.S And 17S Style Rails 6.3"-10.3" Length FDE - MAG951-FDE - 840815119364

    Magpul Bipod Hard Anodized 6061 T-6 Aluminum Fits A.R.M.S And 17S Style Rails 6.3"-10.3" Length FDE #MAG951-FDE

    Magpul Industries

    Now: $109.20
    Was: $114.95
    The Magpul Bipod offers serious strength and versatility at a price that provides unmatched value. Rich with important features, Magpul's lightweight Mil-spec hard anodized 6061 T-6 aluminum and injection-molded polymer bipod brings innovation in...
    Now: $109.20
    Was: $114.95
    Qty in Cart: 0
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    Now: $109.20
    Was: $114.95
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  • On Sale
    Magpul Bipod Hard Anodized 6061 T-6 Aluminum Fits A.R.M.S And 17S Style Rails 6.3"-10.3" Length Black - MAG951-BLK - 840815119357 - Boss Firearms - BossFirearms.com

    Magpul Bipod Hard Anodized 6061 T-6 Aluminum Fits A.R.M.S And 17S Style Rails 6.3"-10.3" Length Black MAG951-BLK

    Magpul Industries

    Now: $109.20
    Was: $114.95
    The Magpul Bipod — Hard Anodized 6061-T6 Aluminum (MAG951-BLK) is Magpul's precision-machined aluminum bipod for rifles equipped with ARMS-style and 17S-style rails, providing a 6.3" to 10.3" height range for various field positions. The Magpul Bipod is...
    Now: $109.20
    Was: $114.95
    Qty in Cart: 0
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    Now: $109.20
    Was: $114.95
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  • Out of stock
    On Sale
    LMT Defense - 7.62 NATO barrel assembly 16" Stainless Steel - #LM308B216S - 815415011578 - Boss Firearms

    LMT Defense - 7.62 NATO barrel assembly 16" Stainless Steel - #LM308B216S

    LMT Defense

    MSRP: $893.00
    Now: $803.70
    Was: $828.00
    LMT AR-10 Barrel for use with the LMT MWS upper receivers.  Specifications:  7.62 NATO / .308 16" Stainless steel 1:11.25" RH twist 5R cut Low profile gas block Straight gas tube A2 flash hider  
    MSRP: $893.00
    Now: $803.70
    Was: $828.00
    Qty in Cart: 0
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    MSRP: $893.00
    Now: $803.70
    Was: $828.00
    Subtotal:
  • Out of stock
    On Sale
    LMT Defense -7.62 NATO Barrel Assembly 18" Stainless Steel - #LM308B218S - 815415011585 - Boss Firearms

    LMT Defense - 7.62 NATO Barrel Assembly 18" Stainless Steel - #LM308B218S

    LMT Defense

    MSRP: $947.00
    Now: $852.30
    Was: $877.95
    LMT Defense 18″ stainless steel 1:11.25″ RH 5R cut 7.62×51 barrel for MWS upper receivers. Includes low profile gas block, straight gas tube, A2 flash hider. SPECS Weight: 3.89 lbs Barrel Length: 18 in / 457 mm Barrel Material:...
    MSRP: $947.00
    Now: $852.30
    Was: $877.95
    Qty in Cart: 0
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    MSRP: $947.00
    Now: $852.30
    Was: $877.95
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  • Out of stock
    On Sale
    Knight's Armament - 7.62 QDC Open Brake Kit - 3/4"-24 TPI - #115992 - Boss Firearms - BossFirearms.com

    Knight's Armament - 7.62 QDC Open Brake Kit - 3/4"-24 TPI - #115992

    Knights Armament Company

    Now: $370.32
    Was: $389.81
    KAC- Knight's Armament 7.62 QDC OPEN BRAKE KIT, 3/4"-24 TPI (115992) The 7.62 QDC OPEN BRAKE KIT, 3/4"-24 TPI, developed for 7.62/6.5 platforms.  It accepts KAC’s QDC line of sound suppressors, includes 7 piece shim set and Rocksett Dose...
    Now: $370.32
    Was: $389.81
    Qty in Cart: 0
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    Now: $370.32
    Was: $389.81
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  • Out of stock
    Proof Research Carbon Fiber LMT MWS Converted 6.5CM Barrel - PRCFMWS

    Proof Research - Carbon Fiber LMT MWS Converted 6.5CM Barrel - PRCFMWS-CONV

    Proof Research

    $1,250.00
    Proof Research carbon fiber 6.5 CM barrel converted by D.Wilson Mfg to fit LMT's MWS platform. These barrels are 8 twist, 4 groove, 5/8-24 threaded and accept an .875 gas block. Proof Research PR10 6.5 Creedmoor Carbon Fiber CamGas Rifle Barrels are...
    $1,250.00
    Qty in Cart: 0
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    $1,250.00
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  • Proof Research Carbon Fiber Q The Fix Barrel - 752-16-65 - 752-16-30 - 752-18-65 - 752-18-30 - 752-20-65 - 20in308q - Boss Firearms - BossFirearms.com Proof Research Carbon Fiber Q The Fix Barrel - 752-16-65 - 752-16-30 - 752-18-65 - 752-18-30 - 752-20-65 - 20in308q - Boss Firearms - BossFirearms.com

    Proof Research Carbon Fiber Q The Fix Barrel (Choose options below)

    Proof Research

    $1,199.00
    Proof Research Carbon Fiber Q The Fix Barrel is a precision-machined carbon fiber replacement barrel designed specifically for Q (Q LLC) The Fix bolt-action rifle. The Fix is Q's innovative chassis rifle that accepts AR-style magazines, and this Proof...
    $1,199.00
    Qty in Cart: 0
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    $1,199.00
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  • Proof Research Carbon Fiber LMT MRP/MWS Conversion Barrel - Boss Firearms - BossFirearms.com

    Proof Research - Carbon Fiber LMT MRP/MWS Conversion Barrels (Choose Options Below) (6mm 14.5" is Stainless Steel)

    Proof Research

    $1,100.00 - $1,375.00
    Proof Research Carbon Fiber LMT MRP/MWS Conversion Barrels (PROOF-BARRELS) are precision-engineered replacement barrel assemblies designed specifically for LMT (Lewis Machine & Tool) Modular Rail Platform (MRP) and Modular Weapon System (MWS) rifles...
    $1,100.00 - $1,375.00
    Qty in Cart: 0
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    $1,100.00 - $1,375.00
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  • Proof Research - 20" 6.5 Creedmoor Carbon Fiber Barrel - 100042 - 843068100042 - Boss Firearms - BossFirearms.com Proof Research - 20" 6.5 Creedmoor Carbon Fiber Barrel - 100042 - 843068100042 - Boss Firearms - BossFirearms.com

    Proof Research 20" 6.5 Creedmoor Carbon Fiber Barrel

    Proof Research

    $1,250.00
    The Proof Research 20" 6.5 Creedmoor Carbon Fiber Barrel (100042) represents the pinnacle of precision barrel technology, combining an aerospace-grade carbon fiber wrap over a 416R stainless steel core using Proof Research's patented manufacturing...
    $1,250.00
    Qty in Cart: 0
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    $1,250.00
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  • LMT Defense 7.62x51mm 16" LW Chrome Lined MWS Barrel Assembly - LM308B116 - 815415014937 - Boss Firearms

    LMT Defense - 7.62x51mm 16" LW Chrome Lined MWS Barrel Assembly - R-LM308B116

    LMT Defense

    MSRP: $784.00
    $727.20
    The LMT Defense 7.62×51mm 16" LW Chrome Lined MWS Barrel Assembly (R-LM308B116) is the lightweight version of LMT's standard 16" .308 MWS barrel, engineered to reduce overall rifle weight without sacrificing durability or performance. The lightweight...
    MSRP: $784.00
    $727.20
    Qty in Cart: 0
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    MSRP: $784.00
    $727.20
    Subtotal:
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