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.
- AR-15 Lowers
- AR-15 Uppers
- AR-15 Triggers
- AR-15 Bolt Carrier Groups / BCG
- AR-15 Stocks
- AR-15 Grips
- AR-15 Buffer / Tubes
- AR-15 Bolt Catch
- AR -15 Magazine Catch
- AR-15 Charging Handles
- AR-15 Safety Selectors
- AR-15 Hand Stops
- AR-15 Forward Assist
- AR-15 Ejection Port Covers & Parts
- AR-15 Handguards & Rails
- AR-15 Barrels
- AR-15 Gas System Parts
- AR-15 Parts & Kits
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Products List
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Proof Research PR15 .223 Wylde 18-inch Extra Taper Barrel
PROOF RESEARCH$1,149.99PROOF 152133 PR15 223 WYLDE 18 8TW PXT Proof Research PR15 .223 Wylde 18-inch Extra Taper BarrelThe Proof Research PR15 series features high-performance rifle barrels designed for precision shooting and durability. This model is chambered in .223... -
Proof Research PR15 6 ARC Barrels - 14.5 Inch, 7.5 Twist, PXT Finish
PROOF RESEARCH$1,149.99PROOF 152164 PR15 6 ARC 14.5 7.5TW PXT Proof Research PR15 6 ARC Barrels - 14.5 Inch, 7.5 Twist, PXT Finish The Proof Research PR15 6 ARC barrel is designed for precision and durability, featuring the proven ARC profile with a 14.5-inch length and a... -
Proof Research PR15 6 Arc Barrel 16 Inch 7.5 Twist PXT
PROOF RESEARCH$1,149.99PROOF 152171 PR15 6 ARC 16 7.5TW PXT Proof Research PR15 6 Arc Barrel 16 Inch 7.5 Twist PXT The Proof Research PR15 6 Arc barrel is a precision-made firearm barrel designed for optimal accuracy and durability. It features a 16-inch length with a 7... -
Proof Research PR15 6 ARC E X Tra Barrel 18 Inch 7.5 Twist PXT Finish
PROOF RESEARCH$1,149.99PROOF 152188 PR15 6 ARC 18 7.5TW PXT Proof Research PR15 6 ARC E X Tra Barrel 18 Inch 7.5 Twist PXT Finish The Proof Research PR15 6 ARC E X Tra barrel is designed for precision shooting and durability. It features a lightweight carbon... -
Proof Research PR15 6 ARC Barrel 20 Inch 7.5 Twist PXT
PROOF RESEARCH$1,149.99PROOF 152195 PR15 6 ARC 20 7.5TW PXT Proof Research PR15 6 ARC Barrel 20 Inch 7.5 Twist PXT The Proof Research PR15 6 ARC barrel is a precision-engineered firearm component designed for optimal performance. Crafted from advanced materials, this... -
Proof Research PR10 6.5 CM E X Tra Barrel with 20 Inch Length and 7.5 Twist PXT Finish
PROOF RESEARCH$1,149.99PROOF 152201 PR10 6.5 CM 20 7.5TW PXT Proof Research PR10 6.5 CM E X Tra Barrel The Proof Research PR10 series barrel is designed for precision rifle shooting, featuring a 6.5 Creedmoor caliber with a 20-inch length. This barrel is constructed with... -
Proof Research PR15 6 Arc Rifle Barrel 14.5 Inches 7.5 Twist PXT
PROOF RESEARCH$749.99PROOF 152232 PR15 6 ARC 14.5 7.5TW PXT Proof Research PR15 6 Arc Rifle Barrel The Proof Research PR15 6 Arc rifle barrel features a 14.5-inch length with a 7.5 twist rate, designed for precision shooting applications. Constructed with Proof's... -
Proof Research PR15 6 Arc 16 inch Barrel with 7.5 Twist PXT Finish
PROOF RESEARCH$749.99PROOF 152249 PR15 6 ARC 16 7.5TW PXT Proof Research PR15 6 Arc 16 inch Barrel with 7.5 Twist PXT Finish The Proof Research PR15 6 Arc barrel is a precision-machined firearm component designed for high-performance shooting applications. It features... -
Proof Research PR15 6 Arc E X Tra Barrel 18 inch 7.5 Twist PXT Finish
PROOF RESEARCH$749.99Proof Research PR15 6 Arc EX-Tra Barrel 18 inch 7.5 Twist PXT Finish The Proof Research PR15 6 Arc EX-Tra barrel is a precision-made firearm barrel designed for optimal performance. It features the exclusive Proof Research engineering with a 6 Arc... -
TANDEMKROSS HiveGrip AR-15 Grip Black
TANDEM KROSS$39.99TANDEM KROSS HiveGrip AR-15 Grip The TANDEMKROSS HiveGrip for AR-15 is a durable and ergonomic firearm grip designed for enhanced control and comfort. Made from high-quality materials, this grip features a textured surface that provides a secure hold... -
Andro Corp ACI-15 Partial M4 Lower Receiver
ANDRO CORP INDUSTRIES$189.99ACI ACI15LBP ACI-15 PARTIAL M4 LOWER RECEIVER Andro Corp Industries ACI15LBP ACI-15 Partial M4 Lower Receiver The Andro Corp Industries ACI15LBP is a partial M4 lower receiver designed for firearm assembly. It is constructed to meet industry standards... -
Blackhawk Adjustable AR-15 Carbine Rifle Buttstock
Blackhawk$32.99BHWK K11001-C ADJ CARBINE RIFLE BUTTSTOCK Blackhawk K11001C Adjustable Carbine Rifle Buttstock The Blackhawk K11001C is an adjustable buttstock designed for carbines, providing a customizable fit for different shooters. Crafted from durable materials, it... -
Blackhawk Rail Mounted Thumb Rest
Blackhawk$11.99The Blackhawk Rail Mounted Thumb Rest provides enhanced weapon control and improved hand positioning for shooters running rifles, pistols, or pistol caliber carbines equipped with Picatinny rail systems. Designed to offer a consistent indexing point,... -
CMMG Anti-Walk AR Trigger Pins Model 55DA1AE
CMMG$8.99CMMG 55DA1AE ANTI-WALK TRIGGER PINS The CMMG 55DA1AE AR Anti-Walk Trigger Pins are precision-engineered components designed for reliable firearm performance. These trigger pins are crafted to ensure secure fitment within compatible rifles, reducing... -
CMMG Polymer Ejection Port Cover Kit for AR-15 Platforms
CMMG$9.99CMMG Polymer Ejection Port Cover Kit Model 55BA6C8 The CMMG 55BA6C8 Polymer Ejection Port Cover Kit is designed to provide a durable and reliable seal for AR-15 style rifles. This high-quality kit includes a polymer ejection port cover that ensures... -
CMMG Ambi-Magazine Catch for AR-15
CMMG$34.99CMMG Ambi-Magazine Catch for AR-15 Rifles The CMMG 55AFE45 Ambi-Magazine Catch is designed for AR-15 platform rifles, providing reliable magazine retention and quick release functionality. Constructed for durability and precision, this magazine catch... -
Kinetic Development Group 3 Slot Mount for Firearm Accessories in FDE Finish
KINETIC DEVELOPMENT GROUP$67.99The KDG KIN5-100-C07 3 Slot Mount Designed for attaching accessories to firearms with a 3-slot Picatinny or MIL-STD-1913 rail system. Made by Kinetic Development Group, this mount features a durable FDE (Flat Dark Earth) finish that resists corrosion and... -
Kinetic Development Group Offset Scout Mount in Flat Dark Earth
KINETIC DEVELOPMENT GROUP$77.99KDG KIN5-135-C07 OFFSET SCOUT MOUNT FDE The KDG KIN5-135-C07 Offset Scout Mount is designed to provide secure attachment for optics on rifles, offering a reliable platform for tactical and hunting applications. Crafted by Kinetic Development Group, this... -
Kinetic Development Group SureFire Pro Mount FDE
KINETIC DEVELOPMENT GROUP$77.99Kinetic Development Group KIN5-140-C07 SureFire Pro Mount FDE The KDG KIN5-140-C07 SureFire Pro Mount in Flat Dark Earth is a precision mounting solution designed specifically for SureFire flashlights and weapon lights. Crafted for durability and secure... -
Kinetic Development Group Harris Bipod Mount
KINETIC DEVELOPMENT GROUP$77.99Kinetic Development Group KDG KIN5-220 Harris Bipod Mount The KDG KIN5-220 Harris Bipod Mount is a precision mounting accessory designed for firearms that require a stable and secure bipod attachment. Made by Kinetic Development Group, this mount offers... -
Magpul Industries Corp M-LOK Thumb Shelf Model MAG1566-BLK for Enhanced Grip and Control
MAGPUL INDUSTRIES CORP$16.99MAGPUL MAG1566-BLK M-LOK THUMB SHELF Magpul Industries Corp M-LOK Thumb Shelf MAG1566-BLK The Magpul MAG1566-BLK M-LOK Thumb Shelf is a durable accessory designed to improve your firearm's handling by providing a stable platform for your thumb. Crafted... -
MAGPUL Industries Magpul MAG1566-FDE M-LOK Thumb Shelf
MAGPUL INDUSTRIES CORP$16.99MAGPUL MAG1566-FDE M-LOK THUMB SHELF MAGPUL Industries Magpul MAG1566-FDE M-LOK Thumb Shelf The Magpul MAG1566-FDE M-LOK Thumb Shelf is a durable accessory designed to enhance grip and control on compatible firearm platforms. Crafted with precision, this... -
MAGPUL Industries M-LOK Thumb Shelf MAG1566-MCB for Ruger and AR-15 Platforms
MAGPUL INDUSTRIES CORP$16.99MAGPUL MAG1566-MCB M-LOK THUMB SHELF MAGPUL Industries M-LOK Thumb Shelf MAG1566-MCB The MAGPUL MAG1566-MCB M-LOK Thumb Shelf is a versatile accessory designed for use with M-LOK compatible firearms, including AR-15 rifles and Ruger models. Crafted from... -
Magpul Industries Corp M-LOK Thumb Shelf in Olive Drab Green - Model MAG1566-ODG
MAGPUL INDUSTRIES CORP$16.99MAGPUL MAG1566-ODG M-LOK THUMB SHELF Magpul M-LOK Thumb Shelf Model MAG1566-ODG in Olive Drab Green The Magpul MAG1566-ODG M-LOK thumb shelf is a durable accessory designed to enhance firearm handling and control. Constructed from rugged polymer, this... -
Magpul Industries Corp M-LOK SVG Short Vertical Grip Magpul MAG1567-BLK
MAGPUL INDUSTRIES CORP$21.99Magpul MAG1567-BLK M-LOK SVG Short Vertical Grip The Magpul MAG1567-BLK M-LOK SVG Short Vertical Grip is designed for tactical enthusiasts seeking a lightweight and durable grip for M-LOK handguards. Crafted from reinforced polymer, this grip offers a... -
MAGPUL Industries Corp MAG1567-FDE M-LOK SVG Short Vertical Grip
MAGPUL INDUSTRIES CORP$21.99MAGPUL MAG1567-FDE M-LOK SVG - SHORT VERTICAL GRIP MAGPUL MAG1567-FDE M-LOK SVG Short Vertical Grip The MAGPUL MAG1567-FDE M-LOK SVG short vertical grip is designed for tactical firearms equipped with M-LOK handguards. Constructed from durable polymer,... -
MAGPUL Industries MAG1567-MCB M-LOK Short Vertical Grip for AR-15 and M-LOK Handguards
MAGPUL INDUSTRIES CORP$21.99MAGPUL MAG1567-MCB M-LOK SVG - SHORT VERTICAL GRIP MAGPUL MAG1567-MCB M-LOK Short Vertical Grip The MAGPUL Industries MAG1567-MCB M-LOK Short Vertical Grip is a lightweight, durable accessory designed for AR-15 style rifles with M-LOK handguards... -
MAGPUL Industries Corp MAG1567-ODG M-LOK SVG Short Vertical Grip
MAGPUL INDUSTRIES CORP$21.99MAGPUL MAG1567-ODG M-LOK SVG - SHORT VERTICAL GRIP MAGPUL MAG1567-ODG M-LOK SVG Short Vertical Grip The MAGPUL MAG1567-ODG M-LOK SVG short vertical grip is designed for enhanced control and stability on M-LOK firearm handguards. Constructed from durable... -
Magpul Industries Corp MAG1568-BLK M-LOK Index Stop for Firearms Accessories
MAGPUL INDUSTRIES CORP$16.99MAGPUL MAG1568-BLK M-LOK INDEX STOP Magpul MAG1568-BLK M-LOK Index Stop The Magpul MAG1568-BLK M-LOK Index Stop is a durable accessory designed for M-LOK compatible firearms. Constructed from high-strength polymer, it provides a secure and consistent... -
Magpul Industries Corp MAG1568-FDE M-LOK Index Stop for Firearms Accessories
MAGPUL INDUSTRIES CORP$16.99MAGPUL MAG1568-FDE M-LOK INDEX STOP Magpul MAG1568-FDE M-LOK Index Stop The Magpul MAG1568-FDE M-LOK Index Stop is a high-quality firearm accessory designed to enhance stability and control for AR-style rifles with M-LOK attachment systems. Crafted with... -
Magpul Industries Corp M-LOK Index Stop MAG1568-MCB for Firearms and Accessories
MAGPUL INDUSTRIES CORP$16.99MAGPUL MAG1568-MCB M-LOK INDEX STOP Magpul MAG1568-MCB M-LOK Index Stop The Magpul MAG1568-MCB M-LOK Index Stop is a precision-engineered accessory designed to enhance the stability and control of firearms equipped with M-LOK handguards. Made by Magpul... -
Magpul Industries Corp M-LOK Index Stop Model MAG1568-ODG in Olive Drab Green
MAGPUL INDUSTRIES CORP$16.99MAGPUL MAG1568-ODG M-LOK INDEX STOP The Magpul Industries Corp M-LOK Index Stop Model MAG1568-ODG is a tactical accessory designed for M-LOK rail systems on firearms. Crafted with precision, this index stop provides a secure and consistent point of... -
TANDEMKROSS TK18N0569BLK1 TKX22 Receiver for Firearm Compatibility
TANDEM KROSS$164.99TANDEMKROSS TK18N0569BLK1 TANDEMKROSS TKX22 REC Tandemkross TK18N0569BLK1 TKX22 Receiver for Firearms The Tandemkross TKX22 Receiver is designed specifically for use with compatible firearms, offering precise fit and reliable performance. Constructed... -
Andro ACI-AR-15 Stripped Lower Receiver
ANDRO CORP INDUSTRIES$79.99Andro Corp Industries ACI LACI15S ACI-15 Stripped Lower Receiver The Andro Corp Industries ACI LACI15S is a stripped lower receiver designed for AR-15 platform builds. Crafted from durable materials, this stripped lower provides a solid foundation for... -
Andro Corp Industries ACI U5568ML 8-Inch NATO M-LOK Upper Receiver
ANDRO CORP INDUSTRIES$424.99ACI U5568ML 556 8" NATO MLOK UPPER Andro Corp Industries ACI U5568ML 8-Inch NATO M-LOK Upper Receiver The Andro Corp Industries ACI U5568ML is an 8-inch NATO standard M-LOK upper receiver designed for AR-style rifles. Made from durable... -
Andro Corp Industries ACI U556103ML 556 NATO 10.3-Inch MLOK Upper Receiver
ANDRO CORP INDUSTRIES$429.99ACI U556103ML 556 10.3" NATO MLOK UPPER Andro Corp Industries ACI U556103ML 556 NATO 10.3-Inch MLOK Upper Receiver The Andro Corp Industries ACI U556103ML is a 10.3-inch NATO specification upper receiver designed for AR-15 style firearms chambered in... -
Andro Corp Industries ACI U55616ML 5.56 NATO 16-Inch MLOK Upper Receiver
ANDRO CORP INDUSTRIES$446.99ACI U55616ML 556 16" NATO MLOK UPPER Andro Corp Industries ACI U55616ML 5.56 NATO 16-Inch MLOK Upper Receiver The Andro Corp Industries ACI U55616ML is a 16-inch NATO chamber upper receiver designed for AR-15 style rifles. Constructed with... -
Andro Corp Industries ACI U3008ML 300 Blackout 8-Inch MLOK Upper Receiver
ANDRO CORP INDUSTRIES$446.99ACI U3008ML 300BO 8" MLOK UPPER Andro Corp Industries ACI U3008ML 300 Blackout 8-Inch MLOK Upper Receiver The Andro Corp Industries ACI U3008ML is an 8-inch upper receiver chambered in 300 Blackout, designed for AR-15 platform rifles. Constructed... -
Andro Corp Industries ACI U30010ML 300 Blackout 10-inch M-LOK Upper
ANDRO CORP INDUSTRIES$450.99ACI U30010ML 300BO 10" MLOK UPPER Andro Corp Industries ACI U30010ML 300 Blackout 10-inch M-LOK Upper The Andro Corp Industries ACI U30010ML is a 10-inch AR-15 upper receiver chambered in 300 Blackout. Designed with precision machining and durable... -
Andro Corp Industries ACI U30016ML 300 Blackout 16-Inch M-LOK Upper Receiver
ANDRO CORP INDUSTRIES$459.99ACI U30016ML 300BO 16" MLOK UPPER Andro Corp Industries ACI U30016ML 300 Blackout 16-Inch M-LOK Upper Receiver The Andro Corp Industries ACI U30016ML is a high-quality 16-inch upper receiver designed for 300 Blackout carbines. Crafted with...
