AR-15 / M4 / AR-10 / M-16 Parts

AR-15, M4, AR-10, and M16 parts include components for maintaining, repairing, upgrading, and customizing popular modern sporting rifle platforms. This category includes replacement parts, internal components, controls, small parts, hardware, and accessories designed for compatible rifle builds and configurations. Whether you are servicing a current rifle, completing a build, or upgrading performance and ergonomics, choosing the correct platform-specific parts helps ensure proper fit and dependable function.

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  • WOOX LLC Forty-Seven Handguard Wal Short SH.FRN122.01

    WOOX LLC Forty-Seven Handguard Wal Short SH.FRN122.01

    WOOX LLC
    $149.99
    WOOX SH.FRN122.01 FORTY-SEVEN HANDGUARD WAL SHORT The WOOX LLC Forty-Seven Handguard Wal Short offers a lightweight and durable option for rifle customization. Designed for compatibility with specific firearm models, this handguard provides a secure fit...
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  • WOOX LLC Forty-Seven Handguard WAL Long

    WOOX LLC Forty-Seven Handguard WAL Long

    WOOX LLC
    $179.99
    WOOX SH.FRN122.02 FORTY-SEVEN HANDGUARD WAL LONG The WOOX LLC Forty-Seven Handguard WAL Long is designed to provide a durable and lightweight option for firearm customization. Crafted for optimal performance, this handguard offers a secure fit and easy...
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  • WOOX LLC Bravado Handguard Walnut Dark

    WOOX LLC Bravado Handguard Walnut Dark

    WOOX LLC
    $219.99
    WOOX SH.FRN142.01 BRAVADO HANDGRD WAL MAR DARK The WOOX LLC Bravado Handguard in Walnut Dark offers a stylish and durable component for firearm customization. Designed to enhance grip and handling, this handguard features a rich walnut dark finish that...
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  • WOOX LLC Bravado Hardwood Wall Mount Sign

    WOOX LLC Bravado Hardwood Wall Mount Sign

    WOOX LLC
    $219.99
    WOOX SH.FRN142.03 BRAVADO HANDGRD WAL MAR GG 1895 The WOOX LLC Bravado Hardwood Wall Mount Sign offers a stylish and durable addition to any space. Crafted from high-quality hardwood, this sign features a classic design that enhances its aesthetic...
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  • Faxon Firearms Streamline Aluminum M-LOK 6-Inch Handguard

    Faxon Firearms Streamline Aluminum M-LOK 6-Inch Handguard

    FAXON FIREARMS
    $146.99
    FAXON FFHGMLOK6G415 STREAMLINE ALM MLOK 6" HNDGRD The Faxon Firearms Streamline Aluminum M-LOK 6-Inch Handguard offers a lightweight and durable platform for building or upgrading your firearm. Crafted from high-quality aluminum, this handguard is...
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  • DPMS Panther Arms AR10 Lower Build Kit

    DPMS Panther Arms AR10 Lower Build Kit

    DPMS PANTHER ARMS
    $139.99
    DPMS AR-10 Classic Lower Build Kit The DPMS AR-10 Classic Lower Build Kit is designed to give builders the key components needed to complete a DPMS-pattern AR-10 stripped lower receiver. Built for reliable fit and dependable function, this kit combines...
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  • CMMG AR-15 Firing Pin – .223 Rem / 5.56 NATO / .300 Blackout

    CMMG AR-15 Firing Pin – .223 Rem / 5.56 NATO / .300 Blackout

    CMMG
    $9.99
    CMMG AR-15 Firing Pin – .223 Rem / 5.56 NATO / .300 Blackout The CMMG AR-15 firing pin is a precision replacement component designed to support reliable ignition and consistent performance in compatible MK4 and AR-15 platforms. Built from durable...
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  • Rise Armament T35SR AR Trigger with Silver and Red Finish

    Rise Armament T35SR AR Trigger with Silver and Red Finish

    Rise Armament
    $269.99
    RISE T35-SR REV 535 SLIDE/SNAP AR TRIG SLV/RED The Rise Armament T35SR is a precision AR trigger designed for reliable performance and smooth operation. Featuring a slide and snap mechanism, this trigger enhances the shooting experience with improved...
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  • Rise Armament T35-BR Rev 535 Slide Snap AR Trigger Black Red

    Rise Armament T35-BR Rev 535 Slide Snap AR Trigger Black Red

    Rise Armament
    $269.99
    RISE T35-BR REV 535 SLIDE/SNAP AR TRIG BLK/RED The Rise Armament T35-BR Rev 535 slide snap AR trigger offers a reliable and smooth trigger pull designed for enhanced firearm control. Crafted for AR-style rifles, this trigger features a black and red...
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  • Area 419 ARCALOCK Universal 12" Flat Rail

    Area 419 ARCALOCK Universal 12" Flat Rail

    AREA 419 FIREARMS
    $100.99
    Area 419 ARCALOCK Universal 12" Flat Rail The Area 419 ARCALOCK Universal 12" Flat Rail is built to provide a strong, stable mounting solution for precision rifle setups that demand versatility and repeatable performance. Designed around the ARCALOCK...
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  • AREA 419 ARCALOCK 4-Inch Flat Aluminum Rail

    AREA 419 ARCALOCK 4-Inch Flat Aluminum Rail

    AREA 419 FIREARMS
    $45.99
    AREA 419 419-ALK-UNIV4RAIL ARCALOCK 4" FLAT The AREA 419 ARCALOCK 4-Inch Flat Aluminum Rail provides a lightweight and durable mounting platform for firearm accessories. Its precision-machined aluminum construction ensures strength while maintaining...
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  • LBE Unlimited Argon Taper Gas Tube Melonite

    LBE Unlimited Argon Taper Gas Tube Melonite

    LBE Unlimited
    $13.99
    LBE ARGTP-BLK PSTL LNGTH GASTUBE MELONITE The LBE Unlimited Argon Taper Gas Tube in Melonite finish offers a durable and corrosion-resistant component for firearm assemblies. Designed with precision and quality, this gas tube ensures reliable...
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  • LBE Unlimited Mid-Length Gas Tube Melonite for AR-15

    LBE Unlimited Mid-Length Gas Tube Melonite for AR-15

    LBE Unlimited
    $15.99
    LBE ARGTM-BLK MID- LNGTH GASTUBE MELONITE The LBE Unlimited ARGTM-BLK is a mid-length gas tube designed for AR-15 rifles. Constructed with precision and durability in mind, this gas tube features a melonite finish that provides corrosion resistance...
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  • LBE Unlimited Rifle Gas Tube Melonite Finish

    LBE Unlimited Rifle Gas Tube Melonite Finish

    LBE Unlimited
    $15.99
    LBE ARGTR-BLK RFL LNGTH GASTUBE MELONITE The LBE Unlimited rifle gas tube offers a reliable component for firearm maintenance and upgrades. Featuring a melonite finish, it provides enhanced corrosion resistance and durability for long-term use...
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  • LBE Unlimited Low Profile Gas Block with Mid Gas Tube

    LBE Unlimited Low Profile Gas Block with Mid Gas Tube

    LBE Unlimited
    $44.99
    LBE ARLGB-MBLK LOW PRO GAS BLOCK W/MID GASTUBE The LBE Unlimited ARLGB-MBLK is a low profile gas block designed for reliable performance in AR-style rifles. It features a slim profile that minimizes the overall width of your firearm while maintaining...
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  • LBE Unlimited Low Profile Gas Block with RFL Gas Tube

    LBE Unlimited Low Profile Gas Block with RFL Gas Tube

    LBE Unlimited
    $44.99
    LBE ARLGB-RBLK LOW PRO GAS BLOCK W/RFL GASTUBE The LBE Unlimited ARLGB-RBLK is a low-profile gas block designed for reliable firearm operation. It features a durable construction suitable for precision shooting and tactical applications. The included...
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  • Seekins Precision SP10 DMR ARCA Rail

    Seekins Precision SP10 DMR ARCA Rail

    Seekins Precision
    $125.99
    SEEKINS 10560123F SP10/DMR ARCA RAIL The Seekins Precision SP10 DMR ARCA Rail provides a reliable mounting solution for precision rifles and tactical setups. Designed for durability and compatibility, this ARCA rail is ideal for attaching bipods,...
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  • Midwest Industries Combat Rail HD M-LOK 9.25 Inch

    Midwest Industries Combat Rail HD M-LOK 9.25 Inch

    MIDWEST INDUSTRIES INC
    $249.99
    MIDWEST MI-CRMHD-9.25 COMBAT RAIL HD MLOK 9.25 The Midwest Industries MI-CRMHD-9.25 is a durable, heavy-duty combat rail designed for versatile firearm customization. Crafted with precision, this 9.25-inch M-LOK rail provides a robust mounting...
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  • Midwest Industries Inc MI-CRMHD-308L-13.5 Combat Low Rail Handguard

    Midwest Industries Inc MI-CRMHD-308L-13.5 Combat Low Rail Handguard

    MIDWEST INDUSTRIES INC
    $274.99
    MIDWEST MI-CRMHD-308L-13.5 CMBT LOW RL HG MLOK The Midwest Industries MI-CRMHD-308L-13.5 combat low rail handguard is designed for AR-10 style rifles, providing a reliable and lightweight upgrade for your firearm. Made from durable materials, this...
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  • Midwest Industries MI-CRMHD-308L-15.0 Combat Low Profile Rail Handguard

    Midwest Industries MI-CRMHD-308L-15.0 Combat Low Profile Rail Handguard

    MIDWEST INDUSTRIES INC
    $279.99
    MIDWEST MI-CRMHD-308L-15.0 CMBT LOW RL HG MLOK The Midwest Industries MI-CRMHD-308L-15.0 Combat Low Profile Rail Handguard is designed for precise and reliable firearm handling. Crafted with durable materials, this handguard provides a low-profile...
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  • Angstadt Arms Handguard Suppressor Series 14.8

    Angstadt Arms Handguard Suppressor Series 14.8

    Angstadt Arms
    $179.99
    ANGSTADT AA015HGMSS HNDGRD SUPPRESSOR SERIES 14.8 The Angstadt Arms AA015HGMSS Handguard Suppressor Series is designed to provide reliable performance and compatibility with 14.8-inch firearms. Crafted for durability and effective sound suppression, this...
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  • AREA 419 Firearms 419-IBR-BK Bipod Rail with 4.8 T-Nut

    AREA 419 Firearms 419-IBR-BK Bipod Rail with 4.8 T-Nut

    AREA 419 FIREARMS
    $40.99
    AREA 419 419-IBR-BK BIPOD RAIL 4.8 T-NUT The AREA 419 419-IBR-BK bipod rail offers a durable mounting solution for firearm accessories. Designed to provide a stable platform, it features a 4.8 T-nut for secure attachment. Made by AREA 419...
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  • AREA 419 IBR KeyMod Bipod Rail 4.8 KeyMod

    AREA 419 IBR KeyMod Bipod Rail 4.8 KeyMod

    AREA 419 FIREARMS
    $40.99
    AREA 419 419-IBR-KEYMOD BIPOD RAIL 4.8 KEYMOD The AREA 419 IBR KeyMod Bipod Rail 4.8 offers a versatile mounting solution for bipods on firearms with KeyMod handguards. Designed by AREA 419 Firearms, this rail provides a secure and stable platform...
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  • LANTAC USA Enhanced Bolt Carrier Group for 223/556

    LANTAC USA Enhanced Bolt Carrier Group for 223/556

    LANTAC USA
    $269.99
    LANTAC LA00223 ENHANCED BCG 223/556 NIB The LANTAC USA LA00223 Enhanced Bolt Carrier Group is designed for optimal performance in 223 and 556 caliber firearms. Crafted with precision, this bolt carrier group ensures reliable cycling and...
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  • LANTAC USA M-SPEC BCG 223/556 Nickel Boron

    LANTAC USA M-SPEC BCG 223/556 Nickel Boron

    LANTAC USA
    $179.99
    LANTAC 01-MSPEC-556-NIB-BCG M-SPEC BCG 223/556 NIB The LANTAC USA 01-MSPEC-556-NIB-BCG is a bolt carrier group designed specifically for 223 and 556 caliber rifles. It provides reliable cycling and enhanced durability for your AR-15 platform. Made from...
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  • LANTAC USA SmoothCam Domed Cam Pin 556

    LANTAC USA SmoothCam Domed Cam Pin 556

    LANTAC USA
    $27.99
    LANTAC 01-UP-556-CP SMOOTHCAM DOMED CAM PIN 556 The LANTAC USA SmoothCam Domed Cam Pin 556 is a precision-machined component designed for firearm applications requiring reliable and smooth operation. This cam pin is crafted to meet the exacting...
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