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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Blackhawk Full Cover Rail Cover in Dark Earth
Blackhawk$9.99BHWK 71RC00DK FULL COVER RAIL COVER DARK EARTH Blackhawk 71RC00DK Full Cover Rail Cover Dark EarthThe Blackhawk 71RC00DK Full Cover Rail Cover is designed to provide comprehensive protection for rifle handguards and Picatinny rails. Crafted from durable... -
Blackhawk Full Cover Rail Cover in Black
Blackhawk$9.99BHWK 71RC00BK FULL COVER RAIL COVER BLACK Blackhawk 71RC00BK Full Cover Rail Cover in Black The Blackhawk 71RC00BK full cover rail cover is designed to provide a durable and protective solution for firearm rail systems. Constructed with high-quality... -
Blackhawk Full Cover Rail Cover in Olive Drab
Blackhawk$9.99BHWK 71RC00OD FULL COVER RAIL COVER OLIVE DRAB Blackhawk 71RC00OD Full Cover Rail Cover Olive Drab The Blackhawk 71RC00OD is a full cover rail panel designed to provide a secure grip and protect your firearm's rail system. Crafted from durable materials,... -
Blackhawk AR-15 Oversized Trigger Guard
Blackhawk$6.99Blackhawk AR-15 Oversized Trigger Guard The Blackhawk BHWK 71TG01BK is an oversized trigger guard designed specifically for AR-15 platform rifles. Constructed from durable materials, this trigger guard provides enhanced clearance and improved handling,... -
Blackhawk Low Profile Rail Cover in Olive Drab, Part Number 71RL00OD
Blackhawk$6.99BHWK 71RL00OD LOW PROFILE RAIL COVER OLIVE DRAB Blackhawk 71RL00OD Low Profile Rail Cover in Olive Drab The Blackhawk 71RL00OD low profile rail cover is designed to provide a comfortable grip and protect your firearm’s rail system. Crafted in durable... -
Blackhawk Low Profile Rail Cover in Black
Blackhawk$6.99BHWK 71RL00BK LOW PROFILE RAIL COVER BLACK Blackhawk BHWK 71RL00BK Low Profile Rail Cover in BlackThe Blackhawk BHWK 71RL00BK Low Profile Rail Cover is designed to provide a sleek, protective barrier for firearm handguards with Picatinny or similar rails... -
Blackhawk AR-15 Ergonomic Grip Model / 71EG00DK
Blackhawk$12.99Blackhawk Model 71EG00DK AR-15 Ergonomic Grip The Blackhawk AR-15 Ergonomic Grip Model 71EG00DK is designed for enhanced handling and control of your AR-15 platform firearm. Constructed to provide a comfortable and secure grip, it helps improve stability... -
LBE Unlimited AR-15 Upper Parts Kit Model AR15-UPK
LBE Unlimited$20.99LBE Unlimited AR-15 Upper Parts Kit Model AR15-UPK The LBE Unlimited AR-15 Upper Parts Kit Model AR15-UPK provides a comprehensive set of components needed to assemble or upgrade your AR-15 upper receiver. This kit includes essential parts designed for... -
LBE Unlimited AR15 Bolt Refurbishment Kit Model ARBLT-RFB
LBE Unlimited$11.99LBE Unlimited AR15 Bolt Refurbishment Kit ARBLT-RFB The LBE Unlimited AR15 Bolt Refurbishment Kit Model ARBLT-RFB is designed to restore and upgrade your AR15 rifle's bolt assembly. This kit provides a comprehensive set of components for refurbishing... -
Seekins Precision Picatinny Rail / 3 Slots for M-LOK Handguards
Seekins Precision$18.99Seekins Precision 10560133F Picatinny Rail with 3 Slots for M-LOK Systems The Seekins Precision 10560133F Picatinny rail is a lightweight, durable accessory designed to attach to M-LOK handguards. It features a 3-slot design that provides versatile... -
Seekins Precision M2 Bolt Heads for .223 Caliber
Seekins Precision$94.99Seekins Precision M2 Bolt Heads for .223 Caliber The Seekins Precision Model 11700173F M2 bolt heads are precision-engineered components designed specifically for AR-15 style rifles chambered in .223 caliber. Crafted with high-quality materials, these... -
BREEK Sledgehammer Charging Handle for AR-15 Standard Model
BREEK$69.99BREEK BRK6045 Sledgehammer Charging Handle for AR-15 The BREEK BRK6045 Sledgehammer Charging Handle is a durable, high-quality replacement component designed specifically for AR-15 rifles. Crafted to ensure reliable operation, this charging handle offers... -
LaRue Tactical Stripped AR-15 Lower Receiver / Black
LARUE TACTICAL$259.99LaRue Tactical LT15X01-BLK Stripped AR-15 Lower Receiver The LaRue Tactical LT15X01-BLK is a high-quality stripped lower receiver designed for AR-15 builds. Made from durable 7075 aluminum, this lower provides a lightweight yet rugged foundation for... -
ODIN Works OS-ABS-AR10 Adjustable Buffer for AR-10 Rifles
Odin Works$75.99ODIN Works OS-ABS-AR10 Adjustable Buffer for AR-10 Platform The ODIN Works OS-ABS-AR10 is an adjustable buffer designed specifically for AR-10 rifles. Crafted from durable materials, this component enhances the reliability and performance of your firearm... -
AREA 419 8 Flat Aluminum Free-Float Handguard for AR-15
AREA 419 FIREARMS$80.99AREA 419 ARCALOCK 8 Flat Aluminum Handguard for AR-15 The AREA 419 Firearms 419-ALK-UNIV8RAIL is a lightweight, durable, and versatile free-float handguard designed for AR-15 rifles. Crafted from high-quality aluminum with a flat black finish, this... -
Griffin Armament Two-Stage Adjustable AR-15 Trigger System
GRIFFIN ARMAMENT$94.99Griffin Armament Two-Stage Adjustable AR-15 Trigger System The Griffin Armament GATSATS two-stage adjustable trigger is designed for precision shooters seeking customizable trigger control. Constructed for reliability and smooth operation, this trigger... -
EDGAR SHERMAN DESIGN ESD-GRANITE-F-FDE Granite AR-15 Grip FDE
EDGAR SHERMAN DESIGN$55.99EDGAR SHERMAN DESIGN ESD-GRANITE-F-FDE Granite Grip FDE The EDGAR SHERMAN DESIGN ESD-GRANITE-F-FDE is a high-quality firearm grip featuring a granite-inspired texture finished in Flat Dark Earth (FDE). Crafted for durability and enhanced grip, this... -
LANTAC USA M-Spec Bolt Carrier Group for 223/556 with Titanium Nitride Finish
LANTAC USA$199.99LANTAC USA M-Spec Bolt Carrier Group for 223/556 with Titanium Nitride Finish The LANTAC 01-MSPEC-556-TIN-BCG is a high-performance bolt carrier group designed for AR-15 style rifles chambered in 223 Remington and 5.56 NATO. Crafted with precision, this... -
LANTAC Intermediate Length Nitrided AR Gas Tube
LANTAC USA$22.99LANTAC Intermediate Length Nitrided Gas System is designed for AR-15 style rifles, offering reliable performance with enhanced durability. Crafted with precision, this gas system features a nitrided finish that provides corrosion resistance and increased... -
One Horse LLC OH-UR02 AR-15 A3 Stripped Upper Receiver
One Horse LLC$63.99ONE OH-UR02 AR15 A3 STRIPPED UPPER RCVER One Horse LLC OH-UR02 AR-15 A3 Stripped Upper Receiver The One Horse LLC OH-UR02 is a stripped upper receiver designed for AR-15 A3 platform firearms. Crafted from high-quality materials, this upper provides a... -
One Horse 10.5 Inch AR-15 Barrel Carbine Gas System / 5.56 NATO
One Horse LLC$103.99One Horse 10.5 Inch AR-15 Barrel Carbine Gas System / 5.56 NATO The One Horse LLC OH-BR05 is a 10.5-inch carbine gas system designed specifically for 5.56 NATO caliber rifles. Crafted with precision, this gas system features a reliable design suitable... -
One Horse 10.5-inch 300 Blackout AR Rifle Barrel 1:7 Twist
One Horse LLC$103.99One Horse 10.5-inch 300 Blackout Rifle Barrel 1:7 Twist The One Horse LLC OH-BR06 is a precision-machined 10.5-inch barrel designed specifically for 300 Blackout rifles. Crafted for optimal performance, this barrel features a 1:7 twist rate to stabilize... -
One Horse AR-15 Complete Lower Parts Kit
One Horse LLC$50.99One Horse LLC OH-LPK01 AR-15 Complete Lower Parts Kit The One Horse LLC OH-LPK01 is a comprehensive AR-15 lower parts kit designed for firearm enthusiasts and builders seeking a reliable and straightforward upgrade or replacement component. This kit... -
One Horse AR-15 Complete Lower Receiver
One Horse LLC$167.99One Horse LLC OH-CL01 AR-15 Complete Lower Receiver The One Horse LLC OH-CL01 is a complete AR-15 lower receiver constructed from high-quality 7075 T6 aluminum. Designed for durability and strength, this firearm component provides a reliable foundation... -
DPMS Panther Arms CAR15 Stock Assembly Kit / OD Green
DPMS PANTHER ARMS$49.99DPMS Panther Arms CAR15 Stock Assembly Kit Model DP51655231756 The DPMS Panther Arms CAR15 Stock Assembly Kit in OD Green offers a complete replacement or upgrade solution for AR-15 style rifles. This stock assembly is designed to provide a sturdy and... -
Cobalt Kinetics CK-Pro Receiver Set for Rifle / Green Cerakote Finish
COBALT KINETICS$1,150.99Cobalt Kinetics CK-Pro Receiver Set for Rifle with Green Cerakote Finish The Cobalt Kinetics CK-Pro Receiver Set in CK Green Cerakote is a high-quality firearm component designed for rifles. Crafted from durable aluminum, this receiver set provides... -
Armaspec ARM6521-BLK Self-Retention Caste Nut for AR-15 and Rifles
ARMASPEC$26.99ARMASPEC ARM6521-BLK SELF-RETENTION CASTE NUT/AL Armaspec ARM6521-BLK Self-Retention Caste Nut in Black Aluminum The Armaspec ARM6521-BLK is a high-quality self-retention caste nut designed for AR-15 rifles and compatible platforms. Crafted from durable... -
Armaspec ARM6521-FDE Self-Retention Caste Nut for Firearms
ARMASPEC$26.99ARMASPEC ARM6521-FDE SELF-RETENTION CASTE NUT/AL Armaspec ARM6521-FDE Self-Retention Caste Nut for Firearms The Armaspec ARM6521-FDE is a high-quality self-retention caste nut designed specifically for firearm assemblies. Crafted from durable aluminum... -
Armaspec ARM136-SS Anti-Walk Trigger and Hammer Pins for AR-15
ARMASPEC$10.99The Armaspec ARM136-SS Anti-Walk Trigger and Hammer Pins are designed to enhance the stability and reliability of your AR-15 rifle. Made from high-quality stainless steel, these pins provide a secure fit and resist corrosion, ensuring long-lasting... -
Armaspec ARM251-BLK Superlight Gun Build Kit for .223 Caliber
ARMASPEC$71.99ARMASPEC ARM251-BLK SUPERLIGHT GN BUILD KIT 223 Armaspec ARM251-BLK Superlight Gun Build Kit for .223 Caliber The Armaspec ARM251-BLK Superlight GN Build Kit is designed for enthusiasts seeking a lightweight and reliable upgrade for their .223 caliber... -
Armaspec ARM251-FDE Superlight Gun Build Kit for .223 Caliber
ARMASPEC$71.99ARMASPEC ARM251-FDE SUPERLIGHT GN BUILD KIT 223 Armaspec ARM251-FDE Superlight Gun Build Kit for .223 Caliber The Armaspec ARM251-FDE Superlight Gun Build Kit is designed for firearm enthusiasts seeking a lightweight, durable upgrade for their .223... -
Proof Research PR15 .223 Wylde Rifle Barrel with 16-Inch Length and 5/8-24 Thread Pattern
PROOF RESEARCH$999.99Proof Research PR15 .223 Wylde Rifle Barrel 16-Inch with 5/8-24 Thread Pattern The Proof Research PR15 series rifle barrel is chambered in .223 Wylde, offering enhanced accuracy and reliable performance for modern sporting rifles. This barrel features a... -
Hogue AR-15 Overmolded Complete Collapsible Buttstock in Mil-Spec Grey
Hogue$59.99Hogue AR-15 Overmolded Collapsible Buttstock in Mil-Spec Grey The Hogue 15540 AR-15 Overmolded Complete Collapsible Buttstock is designed for reliable performance and enhanced comfort on your AR-15 rifle. Constructed with durable materials and finished... -
White Label Armory Forged Lower Receiver for AR-15 in Black Hardcoat Anodize
White Label Armory$82.99White Label Armory Forged AR-15 Lower Receiver Model WLA-LOW-1031-01 The White Label Armory WLA-LOW-1031-01 forged lower receiver is designed for AR-15 platform firearms, featuring a durable black hardcoat anodized finish. Made from high-quality... -
Luth-AR Black Stock Assembly for .308 Rifle
Luth-AR$224.99LUTH-AR MBA-3K308M MBA-3 BLACK STOCK ASSY 308 KIT The Luth-AR MBA-3K308M stock assembly is designed for .308 caliber rifles, providing a durable and adjustable platform for enhanced shooting comfort and stability. It is commonly used by precision... -
Luth-AR 3KM AR-15 .223 Stock Assembly / BLACK
Luth-AR$197.99This black stock assembly is designed for AR-15 rifles chambered in .223 caliber, providing a reliable and comfortable platform for shooting and training. Its lightweight construction and ergonomic design make it ideal for range use, home defense, or... -
Luth-AR MBA-3F AR Stock Assembly FDE
Luth-AR$150.99This stock assembly provides a reliable and durable upgrade for your AR-style rifle. Designed for enhanced stability and comfort, it is commonly used for firearm customization, maintenance, and improving shooting ergonomics. Made from high-quality... -
Luth-AR A1 Buttstock Black
Luth-AR$35.99LUTH-AR BS-A1 A1 BUTTSTK - BLACK This black A1 buttstock from Luth-AR is designed to provide a reliable and comfortable shoulder support for AR-style rifles. It is commonly used in tactical, hunting, and home defense applications, offering enhanced... -
Luth-Ar A2 Buttstock
Luth-AR$68.99LUTH-AR BS-A2 A2 BUTTSTK This A2 buttstock from Luth-AR is designed to provide a reliable and comfortable shoulder support for AR-style rifles. Ideal for both range training and tactical applications, it offers a solid build and stable fit to... -
Luth-AR A2 Buttstock Kit and Spacer
Luth-AR$122.99LUTH-AR BS-A2K A2 BUTTSTK KIT/SPACER This Luth-AR A2 buttstock kit and spacer are designed to enhance the fit and comfort of your rifle. Ideal for customizing your firearm for better ergonomics and improved shooting accuracy, this kit is suitable...
