AR-15, AR-10, and M16 parts are used for building, repairing, upgrading, and maintaining compatible rifle platforms across a wide range of configurations and applications. They can include barrels, handguards, triggers, controls, upper and lower parts, gas system components, stocks, grips, and other essential pieces that support fit, function, and overall rifle performance. Different parts serve different roles depending on the platform, build goal, and intended use. This category includes AR-15, AR-10, and M16 parts built for compatibility, dependable function, and practical everyday performance.
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BATTLEARMS AR15/M16 Full Auto Enhanced BCG
$189.95BATTLEARMS AR15/M16 Full Auto Enhanced BCG (Bolt Carrier Group) | BAD-EBCG-M16 Item: BAD-EBCG-M16 Model: BAD-EBCG-M16 UPC: 810033781162 Brand: Battle Arms Development, Inc. The BATTLEARMS® AR15/M16 Full Auto Enhanced BCG is a duty-ready, full-auto... -
Battle Arms RACK Ambidextrous Charging Handle – AR15/M4/M16 - SIZE D - ANODIZED OD GREEN
$129.95The Battle Arms Development RACK Ambidextrous Charging Handle is engineered for strength, reliability, and smooth operation across AR15 platforms. Designed with simplicity and durability in mind, this monolithic charging handle delivers consistent... -
RACK LR-308 Charging Handle
$109.00Designed for DPMS pattern 308 platforms. **Not compatiable with Armamlite® AR-10 or SIG716** The RACK™ Ambidextrous Charging Handle was developed by BATTLEARMS® to be the finest charging handle ever produced! It is the toughest... -
RACK Charging Handle AR15 Limited Edition Colors
$125.00Special Edition Colors - Limited Run The RACK™ Ambidextrous Charging Handle was developed by BATTLEARMS® to be the finest charging handle ever produced! It is the toughest available for the AR-15, AR-10 and 9mm AR PCC platforms. The RACK™... -
RACK Charging Handle AR15
$99.00The RACK™ Ambidextrous Charging Handle was developed by BATTLEARMS® to be the finest charging handle ever produced! It is the toughest available for the AR-15, AR-10 and 9mm AR PCC platforms. The RACK™ charging handle is simplicity at its... -
RACK Charging Handle AR15 Mod C
$99.00The RACK™ Ambidextrous Charging Handle was developed by BATTLEARMS® to be the finest charging handle ever produced! It is the toughest available for the AR-15, AR-10 and 9mm AR PCC platforms. The RACK™ charging handle is simplicity at its... -
WORKHORSE 15in Rail and .750 Gas Block Upgrade Kit
$214.99WORKHORSE® Rail Upgrade Kit. Upgrade from a front sight base and drop-in handguard to a free-float rail and low-profile gas block. Package includes: 1 - WORKHROSE® 15in Free Float Rail 1 - WORKHORSE® .750 Low Profile Gas Block -
5-SLOT M-LOK Picatinny Rail Section Aluminum
$15.99M-LOK Picatinny Rail Section provides an easy way to attach Picatinny rail-mounted accessories to an M-LOK handguard or forend. They are built from lightweight aluminum and available in multiple lengths so you always have just the right amount of rail... -
M-LOK Bipod Stud Aluminum
$19.99M-LOK Bipod Mount attaches to any M-LOK style handguard and allows the user to attach a Harris-style stud mounted bipod to the rifle. It features beveled edges to reduce potential snagging. It is also compatible with any other accessory that utilizes... -
3-Slot M-LOK Picatinny Rail Section Aluminum
$14.99M-LOK Picatinny Rail Section provides an easy way to attach Picatinny rail-mounted accessories to an M-LOK handguard or forend. They are built from lightweight aluminum and available in multiple lengths so you always have just the right amount of rail... -
Screw - Wood Hand Guard Screw
$0.25Replacement Screw For Wood Handguard Kit. / RACK-15 Charging Handle Alloy Steel Low-Profile Socket Head Screw Black-Oxide 8-32 Thread Size 1/4" Long -
Black Laminate Wood 2 Piece Kit (Handguard and Grip)
$300.00Black Laminate Wood - 2 Piece Kit Pistol Grip - (1) Screw and Lock washer) Hand-guard - (4) Screws, (4) M-LOK Adapter Nuts Designed to work only with our RIGIDRAIL™ May or May not work with any other rails. *Does Not Come With... -
Wood Front Vertical Grip – Lightweight Picatinny Mount Foregrip / BAD-WOOD-FW
$300.00Give your rifle a timeless look with modern functionality using the BATTLEARMS BAD-WOOD-FW Wood Front Vertical Grip. Merging classic hardwood aesthetics with tactical design, this vertical foregrip is built for shooters who want performance and style in... -
M-LOK QD Sling Mount – Aluminum, Black
$14.95The Battle Arms M-LOK QD Sling Mount is the ideal solution for adding a quick detach sling point to any M-LOK handguard. Precision CNC-machined from aircraft-grade aluminum and finished in a sleek black anodized coating, this QD mount provides rock-solid... -
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WORKHORSE Rail Replacement Barrel Nut Hardware
$29.00Replacement Hardware for WORKHORSE series rails. Includes: 1 Barrel Nut 1 Wedge-Lock 3 Screws -
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Carbon Fiber Hand Guard 10in M-LOK
$289.00BATTLEARMS™ Carbon Fiber Hand Guard 10in MLOK The properties of the carbon fiber, specifically its low thermal mass combined with its high thermal conductivity, and the pattern in which the material orientation is laid out, creates the most... -
WORKHORSE 15in Free Float Rail M-LOK
$175.00The WORKHORSE® M-LOK® compatible rail system was designed to be a lightweight and slimline option to be used on MIL-SPEC carbines available on the market today. With M-LOK® mounting options at the 3.6, and 9 o'clock positions and... -
BATTLE ARMS WORKHORSE® 13in Free Float Rail M-LOK
$175.00The WORKHORSE® M-LOK® compatible rail system was designed to be a lightweight and slimline option to be used on MIL-SPEC carbines available on the market today. With M-LOK® mounting options at the 3.6, and 9 o'clock positions and... -
WORKHORSE 9.5in Free Float Rail M-LOK
$160.00The WORKHORSE® M-LOK® compatible rail system was designed to be a lightweight and slimline option to be used on MIL-SPEC carbines available on the market today. With M-LOK® mounting options at the 3.6, and 9 o'clock positions and... -
WORKHORSE 6.7in Free Float Rail M-LOK
$130.00The WORKHORSE® MLOK compatible rail system was designed to be a lightweight and slimline option to be used on MIL-SPEC carbines available on the market today. With MLOK mounting options at the 3.6, and 9 o'clock positions and skeletonized areas where... -
BATTLE ARMS WORKHORSE 4in Free Float Rail M-LOK
$120.00The WORKHORSE® M-LOK® compatible rail system was designed to be a lightweight and slimline option to be used on MIL-SPEC carbines available on the market today. With M-LOK® mounting options at the 3.6, and 9 o'clock positions and... -
Carbon Fiber HeatShield
$79.00Designed for use with WORKHORSE® rail system. Protect hands from barrel heat. Molded design for a perfect fit Easy to mount. Lightweight 35-50 Carbon Fiber Hand-made in the USA. -
AR10/LR308 - Ejection Port Cover Pin
$3.50The machined steel Ejection Port Cover Rod is the hinge pin that keeps the Ejection Port Cover in place. Unlike the AR15 version, it needs no c-clip. -
AR10/LR308 Ejection Port Cover Door
$9.00.308 ejection port door to build out your stripped .308 upper. Works with .308 upper receivers Door Constructed from Stamped Steel Mil-Spec Heavy Phosphate Coating Weight: .53oz -
AR15/M16 - Ejection Port C-Clip
$1.00AR15/M16 - Ejection Port C Clip These high quality components will provide excellent fit and reliable function in your AR series rifle and are perfect for upgrading existing components or replacing worn or broken parts. -
AR15/M16 - Ejection Port Cover Spring
$1.00AR15/M16 - Ejection Port Cover Spring These high quality components will provide excellent fit and reliable function in your AR series rifle and are perfect for upgrading existing components or replacing worn or broken parts. -
AR15/M16 - Ejection Port Cover Door
$6.00AR15/M16 - Ejection Port Cover Door - No Clip,Pin or Spring These high quality components will provide excellent fit and reliable function in your AR series rifle and are perfect for upgrading existing components or replacing worn or broken parts. -
Custom Design Engraved Ejection Port Cover
$15.95Custom Shop - Laser Engraved Dust Covers / Ejection Port Covers Single AR15/M16 Dust Cover Engraving On Inside Of Dust Cover No hardware included. Does Not Include Spring Ejection Port Rod Ejection Port Rod C-Clip -
Caliber Engraved Ejection Port Cover
$15.95Custom Shop - Laser Engraved Dust Covers / Ejection Port Covers Single AR15/M16 Dust Cover Engraving on Inside of Dust Cover. No hardware included. Does Not Include Spring Ejection Port Rod Ejection Port Rod C-Clip -
AR15/M16 - Ejection Port Cover Assembly
$7.99AR15/M16 Ejection Port Cover Assembly Includes: Ejection Port Cover Door Ejection Port Cover Rod with c-clip Ejection Port Cover Spring -
WORKHORSE Forged Lower Receiver
$125.00Quality Aerospace 7075-T6 Aluminum Alloy MIL-A-8625F, Type III, Hard Anodized Flat Black Finish Compatible with TDP/Mil-Standard AR Lower Receiver Parts Broached Magazine Well Pictograph Selector Markings Properly Marked for... -
Battle Arms WORKHORSE Forged AR15 Lower Receiver
$125.00Workhorse® Forged 7075-T6 AR15 Lower Receiver (Stripped) is a rugged and reliable foundation for custom AR15 builds. Manufactured from high-strength 7075-T6 forged aluminum, this lower receiver delivers excellent durability, structural integrity, and... -
Ambidextrous Upgrade Combo Kit - RACK BAD-ASS-PRO
$139.00Our RACK charging handle, and BAD-ASS-PRO Safety Combo! The RACK Ambidextrous Charging Handle was developed by BATTLEARMS® to be the finest charging handle ever produced! It is the toughest available for the AR-15 and 9mm AR PCC platforms. The...
