Browse gun parts designed for maintenance, replacement, upgrades, repairs, and custom firearm builds across a wide range of compatible platforms. Whether you need barrels, triggers, springs, pins, controls, or other essential components, this category includes options built for proper fit, reliable function, and dependable performance.
Products List
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HERA AR-15 Dust Cover Assembly
HERA Industries09.11.03$9.99Elevate your AR-15 with our custom Hera dust cover assembly, engineered for peak performance and reliability. Crafted with precision and attention to detail, our AR-15 dust covers offer an enhanced protection against dust and debris, ensuring your rifle... -
BATTLEARMS BAD-ASS Replacement Lever
Battle Arms DevelopmentBABADASSRL$17.95Replacement Levers for the BAD-ASS Family of Safety Selectors. -
BATTLEARMS BAD INC T10 Screws 4-40 x 5/16 Selector Screw
Battle Arms DevelopmentBABADINCT10S440516SS$3.00Battle Arms Development, Inc. (BAD INC) 4-40 x 5/16" 6-Lobe T-10 Flat Head Cap Screw MS 4037 Alloy Steel Black Oxide 2-Pack Made in USA The Battle Arms Development 4-40 x 5/16" 6-Lobe T-10 Flat Head Cap Screw is a compact replacement or upgrade hardware... -
BATTLEARMS BONDHUS T10 L-Wrench
Battle Arms DevelopmentBABHT10LW$1.75BONDHUS T10 L-Wrench Compatible with BAD-ASS & BAD-CASS Ambidextrous Safety Selector Screws. Silver Tuff Coat Finish Made in USA -
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BATTLEARMS BAD-CASS - Replacement Lever
Battle Arms DevelopmentBABADCASSRL$25.95Replacement Levers for the BAD-CASS Family of Safety Selectors. -
BATTLEARMS BAD-ASS - Semi Auto 90° - Replacement Center and Screws
Battle Arms DevelopmentBABADASSSA90RCS$25.95BAD-ASS-CENTER 90 DEGREE Center and 2 Screws ONLY Levers NOT included -
BATTLEARMS AR15/M16 Buffer Retainer/Detent
Battle Arms DevelopmentBAAR15M16BRD$2.50AR15/M16 Mil-Spec Buffer Retainer/Detent -
BATTLEARMS AR15/M16 Buffer Retainer Spring
Battle Arms DevelopmentBAAR15M16BRS$1.00AR15/M16 Mil-Spec Buffer Retainer Spring -
BATTLEARMS Socket Head Cap Screw | 1-72 x 1/8" | EMMR-SCREW
Battle Arms DevelopmentEMMR-SCREW$3.25Socket Head Cap Screw (Black-Oxide Alloy Steel) | 1-72 x 1/8" | EMMR-SCREW Item: EMMR-SCREW SKU: EMMR-Screw UPC: 91864A006 Material/Finish: Black-Oxide Alloy Steel Type: Socket Head Cap Screw Thread Size: 1-72 Length: 1/8" Quantity: 1 Screw This... -
BATTLEARMS Takedown Spring Retainer Screw
Battle Arms DevelopmentBATDSRS$0.754-48 x 1/8in Cup Point Set Screw .050in Allen -
BATTLEARMS Wrench Kit - Lower Receiver
Battle Arms DevelopmentBAWKLR$2.99Replacement Wrench Kit for BATTLEARMS™ Lower Receivers. Three (3) Piece kit Bolt Catch Allen Wrench Takedown Spring Retainer Screw Allen Wrench Upper Lower Tension Screw Allen Wrench -
BATTLEARMS Mil-Spec ARMil-Spec AR15/LR308 T15/LR308 Trigger Disconnector Spring - Semi Auto
Battle Arms DevelopmentBAMILSAR15LR308TDSSA$1.99Ensure your AR-15 or LR-308 rifle operates reliably with our Mil-Spec Trigger Disconnector Spring designed specifically for semi-automatic platforms. Manufactured to strict military specifications, this trigger disconnector spring guarantees consistent... -
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BATTLEARMS Mil-Spec Trigger Spring for AR-15 and LR-308 Rifles
Battle Arms DevelopmentBAMILSTSAR15LR308$1.79Upgrade or restore your AR-15 or LR-308 rifle with our reliable Mil-Spec Trigger Spring. Precision-crafted to military standards, this high-quality trigger spring ensures consistent and dependable trigger performance in your firearm. Made from durable... -
BATTLEARMS Mil-Spec Trigger Guard Roll Pin AR-15, LR-308
Battle Arms DevelopmentBAMILSTGRPAR15LR308$1.79 -
BATTLEARMS AR15/M4 Takedown and Pivot Pin Detent – Precision Fit for Secure Pin Retention
Battle Arms DevelopmentAR15 Pivot Pin Detent$1.00The AR15/M4 Takedown and Pivot Pin Detent is a vital small part that plays a big role in the function of your rifle. This precision-machined detent retains the front and rear takedown pins securely in place, ensuring your upper and lower receivers stay... -
BATTLEARMS AR15/M16 Magazine Catch Spring
Battle Arms DevelopmentBAAR15M16MCS$3.00AR15/M16 Mil-Spec Magazine Catch Spring -
BATTLEARMS Ultralight Chevron Carbon Fiber Pistol Grip
Battle Arms DevelopmentBAD-CF-PG$179.95SKU: BAD-CF-PG UPC: 810033785566 Weight: 1.27 oz (36gram) Compatibility: AR15-AR10 Platforms and Variants Material: 35-50 Carbon Fiber (Does not include Grip Screw) -
BATTLEARMS BAD-ATG Adjustable Tactical Grip
Battle Arms DevelopmentBABADATGATG$25.00BAD-ATG™ (Adjustable Tactical Grip) AR15/M16/AR308 Grip Easily adjustable, with the included hex key to the most popular angles (17, 25, & 33 degrees) using the Patent Pending adjustable angle mechanism. The ability to change angles of the grip... -
BATTLEARMS Lightweight Butt Stock for SABERTUBE
Battle Arms DevelopmentBALWBSST$79.95Lightweight Butt Stock (BAD-LBS) for the SABERTUBE® Receiver Extension/Buffer Tube Features: Clean, beautiful, no-nonsense, minimalistic design Precision CNC from billet 7075T6 Aircraft Grade Aluminum MilSpec Type III Class 2 Hard Anodized... -
BATTLEARMS AR15/M16 Style Receiver End Plate
Battle Arms DevelopmentBAAR15M16SREP$5.99AR15/M16 Receiver End Plate Mil-spec. receiver extension end plate. For use on AR15 carbines with an adjustable stock. Made in the USA -
BATTLEARMS AR15/M16 Receiver Extension Nut (Castle Nut)
Battle Arms DevelopmentBAMAR15M16RECN$7.00AR15/M16 Receiver Extension Lock Nut Mil-spec. receiver extension lock nut (castle nut) for use on AR15 carbines with an adjustable stock. Perfect for your new build or as a direct replacement for worn out parts. Made in the USA. -
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BATTLEARMS VERT PDW Stock System - Buffer Tube Wrench
Battle Arms DevelopmentBAVPDWSSBTW$10.00VERT® PDW Stock System - Buffer Tube Wrench -
BATTLEARMS VERT V2 Cheek Rest Screw – Kydex
Battle Arms DevelopmentOEM-VERT-V2-CR-SCREW$0.75The VERT V2 Cheek Rest Screw is a precision replacement and upgrade component designed specifically for Kydex cheek rests on rifles and tactical stocks. Built for durability and ease of use, this screw ensures a secure and reliable mount for your cheek... -
BATTLEARMS SABERTUBE QD Lightweight Stock Kit
Battle Arms DevelopmentBASTQDLWSK$199.95SABERTUBE® Mid Length or Rifle Length QD End Plate Lightweight Stock Combo Includes: SABERTUBE® Lightweight Receiver Extension/Buffer Tube, End Plate Model for the BAD-LBS Lightweight Butt Stock. Features: Midlength 8 1/4in or Rifle 9... -
BATTLEARMS VERT CSS Compact Stock System - Cheek Rest - Kydex Carbon Fiber Pattern
Battle Arms DevelopmentBAVCSSCCSSCRKCFP$25.00Replacement Kydex Cheek Rest for Vert CSS Stock -
BATTLEARMS VERT PDW Stock System - Cheek Rest - Kydex Carbon Fiber Pattern
Battle Arms DevelopmentBAVPDWSSCRKCFP$25.00Replacement Cheek Rest for VERT PDW Stock Monolithic Lower -
BATTLEARMS Simulated Wood Cheek Rest for BAD-CSS/PDW
Battle Arms DevelopmentBASWCRBADCSSPDW$50.00Stainless Steel Simulated Wood Cheek Rest for BAD-PDW Monolithic Lower or BAD-CSS Compact Stock System UV Powdercoat Simulated Wood Coating -
BATTLEARMS BAD-CSS/PDW Tailhook Adapter
Battle Arms DevelopmentBABADCSSPDWTA$80.00VERT® Stock System Adapter to convert for use with GearHead Works Tailhook Mod 1 Does not include: Tailhook Mod 1 Screws Cheek Rest Adapter Only. Installation instructions. Remove two screws from stock piece, remove the buttstock... -
BATTLEARMS AR15/M16 Carbine Buffer Spring
Battle Arms Development8441122$4.00The AR15/M16 Carbine Buffer Spring is a Mil-Spec replacement recoil spring designed for carbine-length receiver extensions. This essential component ensures proper cycling, smooth operation, and reliable performance in AR-platform rifles and carbines... -
BATTLEARMS AR15/M16 Buffer – Standard Carbine / 3.0 OZ
Battle Arms DevelopmentAR15-BUFFER-C$15.00AR15/M16 Buffer C (Standard) – Carbine Weight Brand: Battle Arms Development, Inc.Item: AR15-BUFFER-CUPC: 810033781117 The BATTLEARMS AR15/M16 Buffer – Standard C is a Mil-Spec carbine buffer designed for AR15/M16 platforms that use a carbine... -
BATTLEARMS VERT Heavy Extra Power Buffer Spring - Upgraded Spring / AR-15 / AR9 / 300 BLK
Battle Arms DevelopmentBAVHEPBS$26.50Optimize your AR platform's performance with the Battle Arms VERT Heavy Extra Power Buffer Spring. Engineered for superior recoil control and reliable cycling, this upgraded spring is ideal for AR-15, AR9, and .300 BLK configurations, especially those... -
BATTLEARMS VERT V2 PDW Buffer Kit (9mm) – Dedicated PCC (AR9)
Battle Arms DevelopmentVERT-V2-9MM-BUFFER-KIT$150.00VERT V2 PDW Buffer Kit (9mm) – Dedicated PCC (AR9) The Battle Arms Development VERT® V2 PDW Buffer Kit (9mm) is a dedicated buffer system engineered for 9mm PCC / AR9 platforms using the VERT Compact Stock System or the BAD-PDW Monolithic... -
BATTLEARMS SABERTUBE Quick Disconnect End Plate (AR15/M16/M4/AR9/AR10)
Battle Arms DevelopmentBAD-QDEP$34.99Battle Arms SABERTUBE Quick Disconnect End Plate (AR15/M16/M4/AR9/AR10) The Battle Arms Development SABERTUBE Quick Disconnect End Plate is a premium, purpose-built end plate designed to add a clean, secure sling attachment point to your rifle or pistol... -
BATTLEARMS Mil-Spec 6 Position Carbine Buffer Tube
Battle Arms DevelopmentBAMILS6PCBT$39.95Mil-Spec Receiver Extension / Buffer Tube, 6 Position Features: Mil-Spec Carbine Length Receiver Extension / Buffer Tube 6 Positions Precision CNC from 7075T6 Aircraft Grade Aluminum Impact Forging Mil-Spec Type III Hard Anodized Black Made in the... -
BATTLEARMS SABERTUBE Lightweight Pistol Length Buffer Tube Kit
Battle Arms DevelopmentSABERTUBE-QD-P-B-KIT$119.00SABERTUBE Lightweight Pistol Length Buffer Tube Kit – AR15 / M16 / M4 / AR9 The Battle Arms Development SABERTUBE® Lightweight Pistol Length Buffer Tube Kit is a compact, purpose-built receiver extension and QD end plate combo designed for AR... -
BATTLEARMS SABERTUBE Direct to Receiver Mid-Length Pistol
Battle Arms DevelopmentBASTDRMLP$99.99SABERTUBE® DIRECT TO RECEIVER PISTOL Receiver Extension Includes: (1) SABERTUBE® DIRECT TO RECEIVER *PISTOL* Receiver Extension/Buffer Tube COMPATIBLE WITH GEAR HEAD WORKS TAILHOOK MOD 1 with Stepped down OD (outside diameter) at end... -
BATTLEARMS Mil-Spec 6 Position Carbine Buffer Tube OD Green
Battle Arms DevelopmentBAMILSPCBTODG$49.95Mil-Spec Receiver Extension / Buffer Tube, 6 Position Features: Mil-Spec Carbine Length Receiver Extension / Buffer Tube 6 Positions Precision CNC from 7075T6 Aircraft Grade Aluminum Impact Forging Anodized OD Green Color Made in the USA
