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 BONDHUS T10 L-Wrench
$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
$25.95Replacement Levers for the BAD-CASS Family of Safety Selectors. -
BATTLEARMS BAD-ASS - Semi Auto 90° - Replacement Center and Screws
$25.95BAD-ASS-CENTER 90 DEGREE Center and 2 Screws ONLY Levers NOT included -
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BATTLEARMS Socket Head Cap Screw | 1-72 x 1/8" | EMMR-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... -
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BATTLEARMS Wrench Kit - Lower Receiver
$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
$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
$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... -
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BATTLEARMS AR15/M4 Takedown and Pivot Pin Detent – Precision Fit for Secure Pin Retention
$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... -
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BATTLEARMS Lightweight Butt Stock for SABERTUBE
$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
$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)
$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
$10.00VERT® PDW Stock System - Buffer Tube Wrench -
BATTLEARMS VERT V2 Cheek Rest Screw – Kydex
$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
$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
$25.00Replacement Kydex Cheek Rest for Vert CSS Stock -
BATTLEARMS VERT PDW Stock System - Cheek Rest - Kydex Carbon Fiber Pattern
$25.00Replacement Cheek Rest for VERT PDW Stock Monolithic Lower -
BATTLEARMS Simulated Wood Cheek Rest for BAD-CSS/PDW
$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
$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
$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
$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
$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)
$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)
$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
$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
$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
$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
$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 -
BATTLEARMS Mil-Spec AR15 LR308 Single Stage Trigger Kit
$45.95Single Stage Mil-Spec Trigger Includes Phosphate Mil-Spec Trigger Rounded Hammer Disconnector Trigger Spring Hammer Spring Disconnector Springs Trigger and Hammer Pins with a Black Oxide Finish -
BATTLEARMS EKG AK Trigger Kit
$39.95BAD-EKG... Powering the Kalashnikov heart within you. Features: Maximum compatibility with most standard production AK patterned firearms. Enhanced hammer geometry to eliminate that "hump" feel when charging the AK, to give you that smooth custom... -
Polished Nickel Teflon Enhanced Trigger Kit
$49.99nhanced Nickel Teflon trigger assembly features smooth,precision-machined engagement surfaces and Nickel Teflon coating that removes the grittiness found in mil-spec triggers and provides a cleaner "break”. This single-stage trigger is functionally... -
Adjustable Friction-less Trigger
$268.00Battle Arms Development Special Edition Trigger by Triggertech Repeatable User Adjustable Trigger Pull from ~2 to 5 lbs with click feedback indications Frictionless Release Technology (FRT)™ Zero Creep Short Two Stage... -
Enhanced Complete Lower Parts Kit
$135.00BAD-LPK-PKX Enhanced Complete Lower Parts Kit Consisting of the following: BAD-EBC-IC Enhanced Bolt Catch Cost friendly alternative Lightweight but Robust Design 0.39oz Compatible with Norgon Ambi-Catch Without Interference Raised "T-Shaped" Heel...
