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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  • Out of Stock
    Rearden Icarus Blast Diffuser FDE Rearden Icarus Blast Diffuser FDE

    Rearden Icarus Blast Diffuser FDE

    Rearden Mfg

    $139.99
    Rearden Icarus Blast Diffuser FDE The Icarus is a blast diffuser designed to work with all Rearden muzzle devices. This blast diffuser will assist in sending blast and concussion down range, as well as serve as a thread protector for your muzzle devices...
    $139.99
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    Geissele Super Duty MOD1 Complete Upper Receiver 15" SMR MK16 5.56 - HUXWRX Flash Hider QD 556 - Desert Dirt Color

    Geissele Super Duty MOD1 Complete Upper Receiver 15" SMR MK16 5.56 - HUXWRX Flash Hider QD 556 - Desert Dirt Color

    Geissele Automatics

    $1,410.00
    Geissele Automatics, Super Duty MOD1 - Complete Upper Receiver - 556NATO - 16" Barrel - 1:7 Twist -HUXWRX Flash Hider-QD 556 The Geissele Super Duty MOD1 Upper (Complete) features the latest in weapon technology available exclusively from...
    $1,410.00
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    Geissele - Super Duty MOD1 - Complete Upper Receiver - 15" SMR MK16 - 5.56 - HUXWRX Flash Hider-QD 556 (08-548B) Geissele Super Duty MOD1 Complete Upper Receiver 15" SMR MK16 5.56 - HUXWRX Flash Hider QD 556

    Geissele Super Duty MOD1 Complete Upper Receiver 15" SMR MK16 5.56 - HUXWRX Flash Hider QD 556

    Geissele Automatics

    $1,260.00
    Geissele Automatics, Super Duty MOD1 - Complete Upper Receiver - 556NATO - 16" Barrel - 1:7 Twist -HUXWRX Flash Hider-QD 556 The Geissele Super Duty MOD1 Upper (Complete) features the latest in weapon technology available exclusively from...
    $1,260.00
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    Rosco Manufacturing - K9 Saucepack Barrel - 556NATO, 12.5" Patrol Length Gas Length - Fits AR-15 - Nitride Finish - Black - Includes Bolt Carrier Group - Gas Tube - Non Adjustable Gas Block

    Rosco Manufacturing - K9 Saucepack Barrel - 556NATO, 12.5" Patrol Length Gas Length - Fits AR-15 - Nitride Finish - Black - Includes Bolt Carrier Group - Gas Tube - Non Adjustable Gas Block

    Rosco Manufacturing

    $325.00
    Rosco Manufacturing - K9 Saucepack Barrel - 556NATO, 12.5" Patrol Length Gas Length - Fits AR-15 - Nitride Finish - Black - Includes Bolt Carrier Group - Gas Tube - Non Adjustable Gas Block The Rosco Sauce Pack bundles were created after direct...
    $325.00
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    MO-425-0503-045, KAK - K-SPEC Enhanced AR15 BCG - 5.56/ 300 Blackout - C158 Bolt - Dual Ejectors - Down Vent - Sand Cuts (MO-425-0503-045), K-SPEC Enhanced AR15 BCG-, 5.56/ 300 Blackout , C158 Bolt, Dual Ejectors, Down Vent, Sand Cuts KAK - K-SPEC Enhanced AR15 BCG - 5.56/ 300 Blackout - C158 Bolt - Dual Ejectors - Down Vent - Sand Cuts - Nitride

    KAK - K-SPEC Enhanced AR15 BCG - 5.56/ 300 Blackout - C158 Bolt - Dual Ejectors - Down Vent - Sand Cuts - Nitride

    KAK Industry

    $227.95
    KAK - K-SPEC Enhanced AR15 BCG-, 5.56/ 300 Blackout , C158 Bolt, Dual Ejectors, Down Vent, Sand Cuts Patent Pending The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR15 style firearm no matter...
    $227.95
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    Aero Precision Enhanced Carbine Buffer Tube Fits AR10/AR15 Anodized OD Green - Kit

    Aero Precision Enhanced Carbine Buffer Tube Fits AR10/AR15 Anodized OD Green - Kit

    Aero Precision

    MSRP: $85.00
    $76.99
    The AR15 Enhanced Carbine Buffer Kit is the perfect complement to standard AR15 rifle builds. This kit highlights their Enhanced Carbine Buffer Tube that delivers features that increase the reliability, security, and simplicity of your build. Aero...
    MSRP: $85.00
    $76.99
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    HARRINGTON & RICHARDSON - RETRO 635 10.5" 9MM Complete Upper - 1/10 TWIST - GRAY (HR51655153102) HARRINGTON & RICHARDSON - RETRO 635 10.5" 9MM Complete Upper - 1/10 TWIST - GRAY (HR51655153102)

    H&R - RETRO 635 10.5" 9MM Complete Upper - 1/10 TWIST - GRAY

    Harrington & Richardson

    $679.99
    Harrington & Richardson Retro 635 Upper 10.5" 9MM 1/10, Gray The H&R Gray Retro 635 9mm is bringing the 80’s back! This 9mm Carbine has what it takes. Styled after the original AR SMG, and while it’s compatible with all Colt-style...
    $679.99
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    Geissele Automatics URG-1 Complete Upper Receiver - 11.5"

    Geissele Automatics URG-I Complete Upper Receiver - 11.5"

    Geissele Automatics

    $1,479.00
    Geissele Automatics, URG-I, Near Clone, Complete Upper Receiver, 556NATO, 11.5" Barrel, 1:7 Twist, Pinned and Welded Surefire 4 Prong Flash Hider, Desert Dirt Color 10.5" SMR MK16 M-LOK Free Float Handguard, Desert Dirt Color Geissele Airborne Charging...
    $1,479.00
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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
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    Battle Arms BAD-EMR Enhanced Magazine Release - Anodized Clear Battle Arms BAD-EMR Enhanced Magazine Release - Anodized Clear

    Battle Arms BAD-EMR Enhanced Magazine Release - Anodized Clear

    Battle Arms Development

    MSRP: $7.00
    $6.75
    Precision CNC Machined for billet 7075-T6 Aluminum (not 6061) in an anodized finish, the BAD-EMR features a unique, fully solid V shaped button face with horizontal serrations (no through hole). The concave V-Groove button face offers an excellent...
    MSRP: $7.00
    $6.75
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    Primary Weapons Systems - MMK116 MOD 1-M - Upper Receiver - 16.1" Barrel - Triad30 Muzzle Device Primary Weapons Systems - MMK116 MOD 1-M - Upper Receiver - 16.1" Barrel - Triad30 Muzzle Device

    Primary Weapons Systems - MMK116 MOD 1-M - Upper Receiver - 16.1" Barrel - Triad30 Muzzle Device

    Primary Weapons Systems

    MSRP: $1,099.95
    $1,029.49
    Primary Weapons Systems MMK116 MOD 1-M Upper Receiver - 223 Wylde - 16.1" Barrel w/ Triad30 Muzzle Device - Black Finish The MK1 MOD 1-M line, revamped for 2018, features the PWS long stroke piston system. Internally, this line offers the tried and true...
    MSRP: $1,099.95
    $1,029.49
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