AR-15 / AR-10 Parts

AR-15 / AR-10 Parts

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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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  • Comstock Armory 4 Prong Flash Hider 5/8x24 - Plan B Suppressor Mount, 4P-58-30, 850069580018 Comstock Armory 4 Prong Flash Hider 5/8x24 - Plan B Suppressor Mount, 4P-58-30, 850069580018

    Comstock Armory 4 Prong Flash Hider 5/8x24 - Plan B Suppressor Mount

    Comstock Armory, Inc.

    MSRP: $75.00
    $69.00
    Comstock Armory 4 Prong Flash Hider 5/8x24 - Plan B Suppressor Mount The Comstock Armory 4-Prong Flash Hider is purpose-built for shooters who demand stealth, suppressor compatibility, and refined performance. Designed to work seamlessly with ...
    MSRP: $75.00
    $69.00
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    MSRP: $75.00
    $69.00
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  • KAK - K-SPEC Enhanced AR15 Bolt 5.56/ 300 Blackout Dual Ejector Full Chrome KAK - K-SPEC Enhanced AR15 Bolt 5.56/ 300 Blackout Dual Ejector Full Chrome

    KAK - K-SPEC Enhanced AR15 Bolt 5.56/ 300 Blackout Dual Ejector Full Chrome

    KAK Industry

    $124.95
    KAK - K-SPEC Enhanced AR15 Bolt 5.56/ 300 Blackout Dual Ejector Full Chrome The K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts.  Ejector holes are centered on the lugs to avoid any reduction in...
    $124.95
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  • KAK - K-SPEC Enhanced AR15 Bolt 5.56/ 300 Blackout Dual Ejector Phosphate KAK - K-SPEC Enhanced AR15 Bolt 5.56/ 300 Blackout Dual Ejector Phosphate

    KAK - K-SPEC Enhanced AR15 Bolt 5.56/ 300 Blackout Dual Ejector Phosphate

    KAK Industry

    $89.95
    KAK - K-SPEC Enhanced AR15 Bolt 5.56/ 300 Blackout Dual Ejector Phosphate The K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts.  Ejector holes are centered on the lugs to avoid any reduction in...
    $89.95
    Qty in Cart: 0
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  • Rosco Manufacturing K9 Barrel 16" 5.56 Intermediate Gas

    Rosco Manufacturing K9 Barrel 16" 5.56 Intermediate Gas

    Rosco Manufacturing

    MSRP: $225.00
    $220.00
    Rosco Manufacturing K9 Barrel 16" 5.56 Intermediate Gas The K9 16" features an intermediate length gas system with an optimized gas port to run reliably suppressed and/or unsuppressed. The K9 continuous taper is the most effective profile to dissipate...
    MSRP: $225.00
    $220.00
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    MSRP: $225.00
    $220.00
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  • Geissele Automatics Super Gas Block .750" - Black Geissele Automatics Super Gas Block .750" - Black

    Geissele Automatics Super Gas Block .750" - Black

    Geissele Automatics

    $81.60
    Geissele Automatics Super Gas Block .750" - Black The Geissele Super Gas Block is a low profile gas block, designed to fit under most free floating handguards. Precision investment cast from 17-4 precipitation hardening stainless steel, the gas block...
    $81.60
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  • Luth-AR - A2 Fixed Stock Luth-AR - A2 Fixed Stock

    Luth-AR - A2 Fixed Stock

    Luth-AR

    MSRP: $69.95
    $65.75
    The A2 butt stock is a durable, reliable upgrade for your rifle. It provides a comfortable and secure fit, making it ideal for long shooting sessions. Luth-AR, A2, Fixed Stock, Rifle Length, Fits AR-15, Black A2 Butt Stock Butt Plate with Trap...
    MSRP: $69.95
    $65.75
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  •  AAC BLACKOUT® SCAR-H 51T Flash Hider M.I.T.E.R. Mountt - 5/8x24 (102611)  AAC BLACKOUT® SCAR-H 51T Flash Hider M.I.T.E.R. Mountt - 5/8x24 (102611)

    AAC BLACKOUT® SCAR-H 51T Flash Hider M.I.T.E.R. Mount - 5/8x24

    Advanced Armament Company

    MSRP: $224.99
    $204.99
    AAC BLACKOUT® SCAR-H 51T Flash Hider M.I.T.E.R. Mountt - 5/8x24 This AAC Blackout Flash Hider is an extremely efficient design that effectively eliminates muzzle flash, even on short barrels. The open-end, 3-prong design of the Blackout is...
    MSRP: $224.99
    $204.99
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    MSRP: $224.99
    $204.99
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  • On Sale
    B5 Systems CAR-15 Handguard - ODG B5 Systems CAR-15 Handguard - ODG

    B5 Systems CAR-15 Handguard - ODG

    B5 Systems

    MSRP: $25.00
    Now: $20.00
    Was: $23.75
    B5 Systems CAR-15 Handguard - ODG The CAR15 Handguard pays homage to classic firearm parts and accessories. The venerable design features a lightweight slim profile that stays true to the original 6-hole design. A single heat shield and accurate detail...
    MSRP: $25.00
    Now: $20.00
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  • On Sale
    B5 Systems CAR-15 Handguard - Black B5 Systems CAR-15 Handguard - Black

    B5 Systems CAR-15 Handguard - Black

    B5 Systems

    MSRP: $25.00
    Now: $20.00
    Was: $23.75
    B5 Systems CAR-15 Handguard - Black The CAR15 Handguard pays homage to classic firearm parts and accessories. The venerable design features a lightweight slim profile that stays true to the original 6-hole design. A single heat shield and accurate...
    MSRP: $25.00
    Now: $20.00
    Was: $23.75
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    MSRP: $25.00
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  • Geissele Automatics URG-I Complete Upper Receiver - 10.3" Geissele Automatics URG-I Complete Upper Receiver - 10.3"

    Geissele Automatics URG-I Complete Upper Receiver - 10.3"

    Geissele Automatics

    $1,479.00
    With the advent of the USASOC URGI, that quintessentially American silhouette has changed forever. The Geissele Super Modular Rail MK 16 handguard, hammer forged barrel, and carbine gas system work in concert for a package that delivers measurable...
    $1,479.00
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  • Sig Sauer MCX/MPX Locking Stock Hinge Assembly 1913 Interface (8901408 Sig Sauer MCX/MPX Locking Stock Hinge Assembly 1913 Interface (8901408

    Sig Sauer MCX/MPX Locking Stock Hinge Assembly 1913 Interface

    Sig Sauer

    MSRP: $179.99
    $159.99
    Factory replacement hinge assembly for SIG MCX and MPX rifles with folding stocks. 1913 interface to attach to the back of the receiver. Includes screw to attached to stock stem. When deployed, this assembly locks your stock open...
    MSRP: $179.99
    $159.99
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    $159.99
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  • Rearden RPB – Heat Treat 5/8x24 - Square

    Rearden RPB – Heat Treat 5/8x24 - Square

    Rearden Mfg

    $75.00
    Rearden RPB – Heat Treat 5/8x24 - Square These fit the plan B type mounts. Always use an alignment rod to ensure that the entire system is set up correctly. Make sure all surfaces are cleaned and the muzzle device has been torqued and Rockset to...
    $75.00
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    $75.00
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