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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  • Geissele Automatics URG-I Near Clone Complete Upper Receiver 14.5" P&W Surefire 4 Prong - 5.56

    Geissele Automatics URG-I Near Clone Complete Upper Receiver 14.5" P&W Surefire 4 Prong - 5.56

    Geissele Automatics

    $1,450.00
    Geissele Automatics - URG-I - Near Clone Complete Upper Receiver - 14.5" P&W Surefire 4 Prong - 5.56 - 1:7 Twist - Desert Dirt Color SPECS: Mil-Spec M4 Upper Receiver Assembly Geissele Reliability Enhanced Bolt Carrier Group Geissele...
    $1,450.00
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    $1,450.00
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  • SOLGW -L89 Drive Lock MLOK Rail - 13.75"

    SOLGW -L89 Drive Lock MLOK Rail - 13.75"

    Sons Of Liberty Gun Works

    MSRP: $420.00
    $399.00
    The L89 handguard takes what makes the M89 handguard a best in class product, and elevates it even further. Featuring a Titanium barrel nut, 7 sided M-LOK attachment slots, two integrated steel QD (limited rotation) sockets, and maximized cooling slots...
    MSRP: $420.00
    $399.00
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    MSRP: $420.00
    $399.00
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  • SOLGW -L89 Drive Lock MLOK Rail - 10.75"

    SOLGW -L89 Drive Lock MLOK Rail - 10.75"

    Sons Of Liberty Gun Works

    $389.50
    The L89 handguard takes what makes the M89 handguard a best in class product, and elevates it even further. Featuring a Titanium barrel nut, 7 sided M-LOK attachment slots, two integrated steel QD (limited rotation) sockets, and maximized cooling slots...
    $389.50
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  • Aero Precision M4E1 Builder Set w/ 9.3" Atlas R-One BDL Halftone 2.0 Cerakote Aero Precision M4E1 Builder Set w/ 9.3" Atlas R-One BDL Halftone 2.0 Cerakote

    Aero Precision M4E1 Builder Set w/ 9.3" Atlas R-One BDL Halftone 2.0 Cerakote

    Aero Precision

    $575.00
    The March edition of the monthly Builder Set program is here to be the foundation of your next build. In collaboration with Blowndeadline these sets feature an OD Green base with the updated BDL Halftone 2.0 pattern. These receiver and...
    $575.00
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    $575.00
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  • Sig Sauer - MCX SPEAR-LT 5.56 NATO 11.5" - Replacement Barrel & Gas Block Assembly (8901313) Sig Sauer - MCX SPEAR-LT 5.56 NATO 11.5" - Replacement Barrel & Gas Block Assembly (8901313)

    Sig Sauer - MCX SPEAR-LT 5.56 NATO 11.5" - Replacement Barrel & Gas Block Assembly

    Sig Sauer

    $899.99
    SIG MCX-SPEAR LT 11.5-INCH 5.56 NATO BARREL AND GAS BLOCK ASSEMBLY Genuine replacement barrel for the 11.5" 5.56 MCX-SPEAR LT. Complete with barrel and gas block assembly. *Please Note: All NFA rules apply to the installation of these upper assemblies...
    $899.99
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  • Out of Stock
    Luth-AR M16 A1 Assembled Upper Receiver - Black Luth-AR, A1 Assembled Upper Receiver, Black, Forged, A1 Rear Sight Base Assembly, Ejection Port Cover Assembly, Teardrop Forward Assist Assembly, Brass Deflector

    Luth-AR M16 A1 Assembled Upper Receiver - Black

    Luth-AR

    MSRP: $199.95
    $187.85
    Luth-AR M16 A1 Assembled Upper Receiver - Black  Looking to build a high-quality retro looking AR? Start your project with a complete A1 upper receiver anodized. Comes with the standard features of a Mil-Spec upper receiver and is forged from...
    MSRP: $199.95
    $187.85
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    $187.85
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  • Geissele - Super ACR Trigger (05-240)

    Geissele - Super ACR Trigger - Two Stage Trigger .154"

    Geissele Automatics

    $245.00
    Super ACR Trigger The Super ACR offers improved ACR weapon system performance with a trigger similar in feel and operation to the Geissele Automatics' Super Semi-Automatic trigger. NOTICE: Follow all Bushmaster removal and installations to install this...
    $245.00
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    $245.00
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  • Sons of Liberty Gun Works Enhanced Blaster Guts - B5 Lower Parts Kit

    Sons of Liberty Gun Works Enhanced Blaster Guts - B5 Lower Parts Kit

    Sons Of Liberty Gun Works

    $168.00
    Sons of Liberty Gun Works Enhanced Blaster Guts - B5 Lower Parts Kit Lower Parts Kit made from only the highest quality Mil-Spec or better components. The SOLGW Bolt Catch and Safety Selector are a Mil-Spec AISI8620 investment casting per the USGI TDP...
    $168.00
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  • Magpul - Enhanced Selector Kit - FDE

    Magpul - Enhanced Selector Kit - FDE

    Magpul Industries

    MSRP: $49.95
    $47.45
    Magpul Industries - (ESK) Enhanced Selector Kit - Fits AR Platforms in FDE The Magpul ESK (Enhanced Selector Kit) - AR is a modular, ambidextrous selector kit designed for AR pattern firearms that provides user-configurable selectors with modern...
    MSRP: $49.95
    $47.45
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  • TRIARC Systems 8.3" 300 Blackout Track 2.0 Barrel Kit

    TRIARC Systems 8.3" 300 Blackout Track 2.0 Barrel Kit

    TRIARC Systems

    $399.99
    TRACK™, a proprietary rifling known as Single Edge Polygonal (SEP) developed by TRIARC Systems, presents a groundbreaking advancement in gun barrel technology. This innovative rifling design combines the best aspects of standard and polygonal...
    $399.99
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  • Mystic Black Low Mass Steel BCG – .223 / 5.56 / .300 AAC Blackout Mystic Black Low Mass Steel BCG – .223 / 5.56 / .300 AAC Blackout

    CRYPTIC - .223 / 5.56 / .300 AAC Blackout - Mystic Black Low Mass Steel BCG

    CRYPTIC Coatings

    $315.00
    Mystic Black Low Mass Steel BCG – .223 / 5.56 / .300 AAC Blackout Bolt carrier group for AR15, M16, or M4 compatible with semi and full auto versions. Carrier is machined from Mil-Spec 8620 tool steel with shrouded firing pin and Mil-Spec chrome...
    $315.00
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    $315.00
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  • Out of Stock
    SOLGW 16" PRECISION SPR .223 Wylde Barrel - Black Oxide - Mid-Length Gas, 16PRECISION-SPR-223, 16PRECISION-SPR-223

    SOLGW 16" PRECISION SPR .223 Wylde Barrel - Black Oxide - Mid-Length Gas

    Sons Of Liberty Gun Works

    MSRP: $320.00
    $308.75
    SOLGW 16" PRECISION SPR .223 Wylde Barrel - Black Oxide - Mid-Length Gas When precision is non-negotiable, the SOLGW Precision SPR Barrel delivers. Engineered for elite shooters and competitive marksmen, this barrel is the most accurate offering from...
    MSRP: $320.00
    $308.75
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    MSRP: $320.00
    $308.75
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