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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  • LUTH-AR BL-04A Gas Tube Carbine Length Stainless Steel Replacement Part

    LUTH-AR BL-04A Gas Tube Carbine Length Stainless Steel Replacement Part

    Luth-AR
    $11.99
    Luth-ar BL-04A Gas Tube Carbine Length The LUTH-AR BL-04A gas tube is a durable, high-quality replacement designed for AR-style rifles. With a length of 9 3/4 inches, it channels gas bleed-off efficiently from the gas block to the gas key, ensuring...
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  • LUTH-AR UR-01-M16 Stripped M16 A1 Upper Receiver with Black Hardcoat Anodize and 223 Rem/5.56 NATO

    LUTH-AR UR-01-M16 Stripped M16 A1 Upper Receiver with Black Hardcoat Anodize and 223 Rem/5.56 NATO

    Luth-AR
    $164.99
    Luth-ar UR-01-M16 A1 Stripped Upper Receiver 223/5.56mm Aluminum Black Hardcoat Anodize Receiver for M16 The LUTH-AR UR-01-M16 is a high-quality stripped upper receiver modeled after the classic M16 A1 design, renowned for its lightweight and reliable...
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  • LUTH-AR BT-01-30P BOLT Gas Rings for .223 Rifle - 30 Pack

    LUTH-AR BT-01-30P BOLT Gas Rings for .223 Rifle - 30 Pack

    Luth-AR
    $18.99
    Luth-ar BT-01-30P BOLT Gas Rings 223 Rem/5.56mm AR-15 Silver Optimize your .223 caliber rifle's performance with the LUTH-AR BT-01-30P bolt gas rings. Crafted from high-quality, durable materials, these gas rings are designed to effectively seal the gas...
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  • WOOX LLC M-LOK Vertical Grip Walnut SH.VGR001.01

    WOOX LLC M-LOK Vertical Grip Walnut SH.VGR001.01

    WOOX LLC
    $79.99
    Woox Vertical Grip Walnut Wood The WOOX LLC Walnut M-LOK Vertical Grip SH.VGR001.01 offers shooters a premium, versatile grip crafted from high-quality American walnut wood. Its reversible dual-wall design allows for adaptable shooting styles, providing...
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  • Tapco AR-15 Single-Stage Trigger Curved

    Tapco AR-15 Single-Stage Trigger Curved

    Tapco
    $159.99
    Tapco Rifle Trigger Black Curved Trigger Single-Stage Fits AR-15 The Tapco TAP22034 AR-15 single-stage trigger offers a smooth and consistent pull with a weight of 3.5 pounds, enhancing your firearm's accuracy and performance. Designed for easy drop-in...
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  • Tapco Enhanced Performance AR Upper Parts Kit

    Tapco Enhanced Performance AR Upper Parts Kit

    Tapco
    $32.99
    Tapco Enhanced Performance AR Upper Parts Kit The Tapco Upper Parts Kit provides essential components for firearm assembly and maintenance. Designed for compatibility with AR-style rifles, this kit includes high-quality parts such as a bolt carrier...
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  • Tapco TAP22053 H1 Carbine Buffer for AR-15 with Aluminum Construction

    Tapco TAP22053 H1 Carbine Buffer for AR-15 with Aluminum Construction

    Tapco
    $31.99
    Tapco TAP22053 H1 Carbine Buffer Black Aluminum The Tapco TAP22053 H1 Carbine Buffer is designed to improve the performance and reliability of your AR-15 rifle. Weighing 3.8 ounces, this high-quality buffer is made from durable 7075 T6 aluminum and...
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  • Tapco AR Aluminum Hand Stop / Black

    Tapco AR Aluminum Hand Stop / Black

    Tapco
    $42.99
    TAPCO HAND STOP SM The Tapco TAP22095 Hand Stop is a durable and lightweight accessory designed for tactical rifles. Crafted from high-quality aluminum, this black hand stop provides a secure grip and enhanced control during shooting. Its compact design...
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  • Tapco M-LOK Hand Stop Aluminum Black

    Tapco M-LOK Hand Stop Aluminum Black

    Tapco
    $49.99
    Tapco Hand Stop Black Aluminum The Tapco TAP22096 M-LOK hand stop is a compact, low-profile grip accessory designed to enhance weapon control and handling. Constructed from durable aluminum and finished in black, this hand stop provides a secure fit on...
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  • Tapco Ejection Port Door Kit for AR-15 .223/5.56 Aluminum Model / TAP22097

    Tapco Ejection Port Door Kit for AR-15 .223/5.56 Aluminum Model / TAP22097

    Tapco
    $29.99
    Tapco TAP22097 Ejection Port Door Cover Kit AR-15 Black Aluminum The Tapco Ejection Port Door Kit is an essential upgrade for AR-15 rifles, designed specifically for .223 and 5.56 caliber models. Crafted from durable aluminum, this ejection port cover...
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  • Rise Armament Oh S#it Kit Spare Parts Display with 18 Kits

    Rise Armament Oh S#it Kit Spare Parts Display with 18 Kits

    Rise Armament
    $287.99
    Rise Armament Oh S#it Kit Spare Parts Display with 18 Kits The Rise Armament RAOSKDISPLAY Oh S#it Kit Spare Parts Display is a convenient inventory solution for retailers, armorers, and firearm builders who want quick access to commonly needed...
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  • DPMS Panther Arms DP51655109854 AR-15 MOE Lower Build Kit with Magpul Stock and Pistol Grip

    DPMS Panther Arms DP51655109854 AR-15 MOE Lower Build Kit with Magpul Stock and Pistol Grip

    DPMS PANTHER ARMS
    $119.99
    Dpms Panther Arms DP51655109854 MOE PPT Lower Build Kit AR-15 Includes Black Magpul Grip & Magpul MOE Black Stock The DPMS Panther Arms DP51655109854 AR-15 MOE Lower Build Kit provides essential components for assembling or upgrading your AR-15 lower...
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  • White Label Armory WLA-UPR-2004-01 AR-15 Dust Cover Kit Knurled

    White Label Armory WLA-UPR-2004-01 AR-15 Dust Cover Kit Knurled

    White Label Armory
    $9.99
    White Label Armory WLA-UPR-2004-01 Knurled Dust Cover Kit AR-15 Black The White Label Armory WLA-UPR-2004-01 Dust Cover Kit for AR-15 provides a durable and stylish solution for protecting your firearm's ejection port. Crafted with a knurled finish,...
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  • Kinetic Development Group KDG MRX5-MK2-015 FN SCAR 15P Rail 6-Inch M-LOK Black

    Kinetic Development Group KDG MRX5-MK2-015 FN SCAR 15P Rail 6-Inch M-LOK Black

    KINETIC DEVELOPMENT GROUP
    $231.99
    Kinetic Development Group MRX5-MK2-015 FN Scar Rail MREX15 6" Black The Kinetic Development Group MRX5-MK2-015 rail is designed to upgrade your FN SCAR 15P with a compact, lightweight handguard that enhances maneuverability without compromising...
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  • Kinetic Development Group SRX3 MK2 Stribog Rail Extension 6 Inch MLOK Aluminum Cerakote

    Kinetic Development Group SRX3 MK2 Stribog Rail Extension 6 Inch MLOK Aluminum Cerakote

    KINETIC DEVELOPMENT GROUP
    $208.99
    Kinetic Development Group STR5-MK2-010 SRX3 MK2 Stribog Rail Extension Black Aluminum Compatible w/ Stribog SP9 Models w/ MLOK Receivers The Kinetic Development Group SRX3 MK2 Stribog Rail Extension (SRX6) is a premium upgrade designed to enhance your...
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  • Liberty Precision Machine LPM-2020 Thread Protector Stainless Steel Nitride Black

    Liberty Precision Machine LPM-2020 Thread Protector Stainless Steel Nitride Black

    LIBERTY PRECISION MACHINE
    $34.99
    Liberty Precision Machine LPM-2020 Thread Protector Stainless Steel Nitride Black The Liberty Precision Machine LPM-2020 Thread Protector is a simple, durable solution for protecting exposed muzzle threads when a muzzle device or suppressor is not...
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  • Armaspec ARM268-AR10 Sound Mitigation Buffer Kit for AR-10 G3

    Armaspec ARM268-AR10 Sound Mitigation Buffer Kit for AR-10 G3

    ARMASPEC
    $86.99
    Armaspec ARM268-AR10 SMB-10 Buffer Kit Black/Silver AR-15 Gen3 The Armaspec ARM268-AR10 SMB Buffer Kit is designed to enhance the shooting experience by reducing felt recoil and minimizing noise during operation. This premium upgrade replaces the...
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  • Armaspec SRS Buffer Kit AR9 G4 9mm with Matte Finish

    Armaspec SRS Buffer Kit AR9 G4 9mm with Matte Finish

    ARMASPEC
    $108.99
    Armaspec ARM263-9 SRS-9 Buffer Tube Kit Black AR-15 Gen4 The Armaspec SRS Buffer Kit AR9 G4 9mm is a comprehensive solution for upgrading your firearm's recoil management system. This kit includes a durable mil-spec 7075-T6 6-position buffer tube, a...
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  • Armaspec Victory Ambidextrous Charging Handle for 5.56/.223 Rifles and Pistols

    Armaspec Victory Ambidextrous Charging Handle for 5.56/.223 Rifles and Pistols

    ARMASPEC
    $80.99
    Armaspec ARM162-BLK Victory Charging Handle Black Aluminum Ambidextrous Hand The Armaspec Victory ambidextrous charging handle is engineered for 5.56/.223 caliber rifles and pistols, offering reliable performance and ease of operation. Its curved handles...
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  • Armaspec Victory Ambidextrous Charging Handle for 5.56/.223 Rifles and Pistols

    Armaspec Victory Ambidextrous Charging Handle for 5.56/.223 Rifles and Pistols

    ARMASPEC
    $80.99
    Armaspec ARM162-FDE Victory Charging Handle Flat Dark Earth Aluminum Ambidextrous Hand The Armaspec Victory ambidextrous charging handle is engineered for 5.56/.223 caliber rifles and pistols, offering enhanced functionality and ease of use. Crafted from...
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  • Armaspec ARM653-ML Mid-Length Stainless Steel Gas Tube for AR15

    Armaspec ARM653-ML Mid-Length Stainless Steel Gas Tube for AR15

    ARMASPEC
    $13.99
    Armaspec ARM653-ML Mid-Length Gas Tube AR15/10 Stainless Steel 11.75" The Armaspec ARM653-ML is a high-quality mid-length gas tube designed for AR15 rifles, crafted from durable stainless steel for reliable performance and longevity. This gas tube...
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  • Armaspec ARM653-RL Rifle Length Gas Tube Stainless Steel for AR15/10

    Armaspec ARM653-RL Rifle Length Gas Tube Stainless Steel for AR15/10

    ARMASPEC
    $14.99
    Armaspec ARM653-RL Rifle Length Gas Tube AR15/10 Stainless Steel 15.12" The Armaspec ARM653-RL rifle length gas tube is crafted from high-quality stainless steel, ensuring durability and reliable performance in your AR15 or AR10 platform. Measuring...
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