AR-15 / AR-10 Parts

AR-15 / AR-10 Parts

Looking for the best AR platform parts on the Internet? You're here. Take a look and let's get to work. 

We build AR platform rifles weekly for some very discerning customers. We only build with what we sell, and we only sell what works. Leverage our experience in building or upgrading your AR platform and buy with confidence. 

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  • Rosco Manufacturing, Purebred, Barrel, 300BLK, 8.2", Fits AR-15, Pistol Length Gas System, Bead Blasted Finish, Silver
Rosco Manufacturing, Purebred, Barrel, 300BLK, 8.2", Fits AR-15, Pistol Length Gas System, Bead Blasted Finish, Silver

    Rosco Manufacturing - Purebred - Barrel - 300BLK - 8.2" - Fits AR-15 - Pistol Length Gas System - Bead Blasted Finish - Silver

    Rosco Manufacturing

    $188.00
    Rosco Manufacturing, Purebred - Barrel - 300BLK - 8.2" Fits AR-15 - Pistol Length Gas System, Bead Blasted Finish, Silver  
    $188.00
    Qty in Cart: 0
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    $188.00
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  • Out of Stock
    KAK - K-SPEC Enhanced AR15 BCG- 5.56/ 300 Blackout - Dual Ejector - Down Vent - Sand Cuts - Chrome Lined Phosphate (MO-425-0512-003) KAK - K-SPEC Enhanced AR15 BCG- 5.56/ 300 Blackout - Dual Ejector - Down Vent - Sand Cuts - Chrome Lined Phosphate (MO-425-0512-003)

    KAK - K-SPEC Enhanced AR15 BCG- 5.56/ 300 Blackout - Dual Ejector - Down Vent - Sand Cuts - Chrome Lined Phosphate

    KAK Industry

    $199.95
    KAK - K-SPEC Enhanced AR15 BCG- 5.56/ 300 Blackout, Dual Ejector, Down Vent, Sand Cuts, Chrome Lined Phosphate   Patent Pending The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR15 style...
    $199.95
    Qty in Cart: 0
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    $199.95
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  • Out of Stock
    Sons of Liberty Gun Works Blaster Starter Kit

    Sons of Liberty Gun Works Blaster Starter Kit

    Sons Of Liberty Gun Works

    $54.15
    Sons of Liberty Gun Works Blaster Starter Kit Milspec or better lower parts kit, without the fire control group or the grip. Comes with Pivot Pin, Takedown Pin, Takedown Pin Springs (x2), QPQ Steel Takedown Pin Detents (x3), Mil-Spec Cast Bolt Catch,...
    $54.15
    Qty in Cart: 0
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    $54.15
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  • KAK - K-SPEC Enhanced AR15 BCG - 5.56/ 300 Blackout - Dual Ejector - Down Vent - Sand Cuts - Full Chrome KAK - K-SPEC Enhanced AR15 BCG - 5.56/ 300 Blackout - Dual Ejector - Down Vent - Sand Cuts - Full Chrome

    KAK - K-SPEC Enhanced AR15 BCG - 5.56/ 300 Blackout - Dual Ejector - Down Vent - Sand Cuts - Full Chrome

    $244.95
    KAK - K-SPEC Enhanced AR15 BCG, 5.56/ 300 Blackout , Dual Ejector, Down Vent, Sand Cuts, Full Chrome Patent Pending The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR15 style firearm no matter...
    $244.95
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    $244.95
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  • K-SPEC Enhanced AR15 BCG, 5.56/ 300 Blackout , Dual Ejector, Down Vent, Sand Cuts, NP3
SKU: MO-425-0506-003 K-SPEC Enhanced AR15 BCG, 5.56/ 300 Blackout , Dual Ejector, Down Vent, Sand Cuts, NP3
SKU: MO-425-0506-003

    KAK - K-SPEC Enhanced AR15 BCG - 5.56/ 300 Blackout - Dual Ejector - Down Vent - Sand Cuts - NP3

    KAK Industry

    $269.95
    KAK - K-SPEC Enhanced AR15 BCG, 5.56/ 300 Blackout , Dual Ejector, Down Vent, Sand Cuts, NP3 Patent Pending The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR15 style firearm no matter if you...
    $269.95
    Qty in Cart: 0
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    $269.95
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  • Out of Stock
    KAK - K-SPEC Enhanced AR15 BCG - 5.56/ 300 Blackout - Dual Ejector - Side Vent - Sand Cuts - FDE PVD - Chrome Lined (MO-425-0507-003) KAK - K-SPEC Enhanced AR15 BCG - 5.56/ 300 Blackout - Dual Ejector - Side Vent - Sand Cuts - FDE PVD - Chrome Lined (MO-425-0507-003)

    KAK - K-SPEC Enhanced AR15 BCG - 5.56/ 300 Blackout - Dual Ejector - Down Vent - Sand Cuts - FDE PVD - Chrome Lined

    KAK Industry

    $239.95
    KAK - K-SPEC Enhanced AR15 BCG, 5.56/ 300 Blackout , Dual Ejector, Down Vent, Sand Cuts, FDE PVD, Chrome Lined Patent Pending The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR15 style firearm...
    $239.95
    Qty in Cart: 0
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    $239.95
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  • Geissele Ultra Duty Lower Parts Kit - DDC

    Geissele Ultra Duty Lower Parts Kit - DDC

    Geissele Automatics

    MSRP: $172.07
    $150.00
    The Geissele Ultra Duty Lower Parts Kit is made for the most demanding operators and includes all the internal parts necessary to complete or rebuild your lower receiver. This top-tier LPK features proprietary Geissele designs, machined with great care...
    MSRP: $172.07
    $150.00
    Qty in Cart: 0
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    MSRP: $172.07
    $150.00
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  • Out of Stock
    Primary Weapons System - MK111 MOD-2M 762x39 Upper - 11.85" Primary Weapons System - MK111 MOD-2M 762x39 Upper - 11.85"

    Primary Weapons System - MK111 MOD-2M 762x39 Upper - 11.85"

    Primary Weapons Systems

    MSRP: $1,349.95
    $1,299.95
    The PWS MK1 MOD 2-M line, revamped for 2018, features the PWS long stroke piston system. While the internals remain the same as other PWS lines, the MK1 MOD 2-M offers a variety of features exclusive to this line. Starting with patent pending PicLok...
    MSRP: $1,349.95
    $1,299.95
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    MSRP: $1,349.95
    $1,299.95
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  • Ballistic Advantage 12" DRP Profile 8.6 BLK Premium Series Barrel - 1/3 Twist - Pistol-Length Gas, BABL86B002P Ballistic Advantage 12" DRP Profile 8.6 BLK Premium Series Barrel - 1/3 Twist - Pistol-Length Gas, BABL86B002P

    Ballistic Advantage 12" DRP Profile 8.6 BLK Premium Series Barrel - 1/3 Twist - Pistol-Length Gas

    Ballistic Advantage

    MSRP: $260.00
    $214.99
    Ballistic Advantage 12" DRP Profile 8.6 BLK Premium Series Barrel1/3 Twist - Pistol-Length Gas Built for high-impact performance and optimized for suppressed shooting, the Premium Black Series 12.5" 8.6 Blackout barrel delivers unmatched energy transfer...
    MSRP: $260.00
    $214.99
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    MSRP: $260.00
    $214.99
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  • Ballistic Advantage 8" DRP Profile 8.6 BLK Premium Series Barrel - 1/3 Twist - Pistol-Length Gas, BABL86B001P Ballistic Advantage 8" DRP Profile 8.6 BLK Premium Series Barrel - 1/3 Twist - Pistol-Length Gas, BABL86B001P

    Ballistic Advantage 8" DRP Profile 8.6 BLK Premium Series Barrel - 1/3 Twist - Pistol-Length Gas

    Ballistic Advantage

    MSRP: $255.00
    $214.99
    Ballistic Advantage 8" DRP Profile 8.6 BLK Premium Series Barrel1/3 Twist - Pistol-Length Gas Engineered for maximum energy transfer and subsonic performance, the Premium Black Series 8.6 Blackout barrel is a compact powerhouse for your AR build...
    MSRP: $255.00
    $214.99
    Qty in Cart: 0
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    MSRP: $255.00
    $214.99
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  • Out of Stock
    On Sale
     Sig Sauer - MCX-SPEAR LT 16" - Upper AR Conversion Kit - 7.62X39 - BLACK (UAMCX-762R-16B-LT-BLK)  Sig Sauer - MCX-SPEAR LT 16" - Upper AR Conversion Kit - 7.62X39 - BLACK (UAMCX-762R-16B-LT-BLK)

    Sig Sauer - MCX-SPEAR LT 16" - Upper AR Conversion Kit - 7.62X39 - BLACK

    Sig Sauer

    MSRP: $1,999.99
    Now: $1,799.99
    Was: $1,999.99
    SIG SAUER MCX-SPEAR LT UPPER/CONVERSION. KIT 7.62 X 39MM Compatible w/any MIL-SPEC AR-15/M4 Compatible w/MCX, M400 & 516 Upgrade any M4/AR15 into an MCX-SPEAR LT. The MCX SPEAR LT developed for the SF community is the most advanced platform...
    MSRP: $1,999.99
    Now: $1,799.99
    Was: $1,999.99
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    MSRP: $1,999.99
    Now: $1,799.99
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