AR-15 parts kits are used to provide grouped components for building, repairing, maintaining, or upgrading compatible AR-15 rifles. They can include lower parts, upper parts, springs, pins, detents, controls, and other small components that help complete a rifle setup or support replacement work. Different kits can vary in included parts and intended use depending on the build or repair project. This category includes AR-15 parts kits built for proper fit, dependable function, and practical everyday performance.
Filter By
Products List
-
White Label Armory WLA-PAC-1008-10 Bolt Catch Detent Spring for AR10 & AR15 10 Pack
White Label Armory$7.99White Label Armory WLA-PAC-1008-10 Bolt Catch Detent Spring AR10/AR15 Silver 10 Pack The White Label Armory WLA-PAC-1008-10 Bolt Catch Detent Spring set is designed for AR10 and AR15 rifles, providing reliable operation and easy installation. This... -
VKTR Industries WLA-PAC-1009-10 AR10/AR15 Magazine Catch Spring 10 Pack
VKTR INDUSTRIES$12.99WLA WLA-PAC-1009-10 AR10/AR15 MAG CATCH SPRNG 10PK The VKTR Industries WLA-PAC-1009-10 magazine catch spring is designed for AR10 and AR15 platform rifles, providing reliable magazine retention and smooth operation. This 10-pack ensures you have spare... -
VKTR Industries WLA-PAC-7005-10 AR10 & AR15 Buffer Return Spring Kit 10 Pack
VKTR INDUSTRIES$7.99WLA WLA-PAC-7005-10 AR10/AR15 BUFFR RET SPRNG 10PK The VKTR Industries WLA-PAC-7005-10 is a high-quality buffer return spring kit designed for AR10 and AR15 rifles. This 10-pack provides reliable performance and consistent cycling for your firearm,... -
White Label Armory Ejection Port Cover AR10/AR15 Oxide Finish 10 Pack
White Label Armory$12.99White Label Armory WLA-PAC-2002-10 Ejection Port Cover AR10/AR15 Black 10 Pack The White Label Armory WLA-PAC-2002-10 Ejection Port Cover is designed for AR10 and AR15 rifles, providing a durable and reliable way to protect your firearm's ejection port... -
Timber Creek Outdoor Inc Enforcer AR-15 Complete Build Kit with 15-Inch MLOK Hand Guard and Ambidextrous Controls
TIMBER CREEK OUTDOOR INC$599.99Timber Creek Outdoors TCOEKBB Enforcer Complete Build Kit Burnt Bronze The Timber Creek Outdoor Inc Enforcer AR-15 Complete Build Kit provides everything needed to assemble a high-performance AR-15 rifle. Featuring a lightweight 15-inch MLOK hand guard,... -
Timber Creek Outdoors TCOEKFDE Enforcer Complete Build Kit Flat Dark Earth
TIMBER CREEK OUTDOOR INC$599.99Timber Creek Outdoors TCOEKFDE Enforcer Complete Build Kit Flat Dark Earth -
Timber Creek Outdoor Inc Enforcer Complete AR-15 Build Kit
TIMBER CREEK OUTDOOR INC$599.99Timber Creek Outdoors TCOEKOD Enforcer Complete Build Kit OD Green The Timber Creek Outdoor Inc Enforcer Complete AR-15 Build Kit provides everything needed to assemble a high-performance AR-15. Designed for precision and durability, this kit features... -
Timber Creek Outdoors TCOEKT Enforcer Complete Build Kit Tungsten
TIMBER CREEK OUTDOOR INC$599.99Timber Creek Outdoors TCOEKT Enforcer Complete Build Kit Tungsten -
Tyrant CNC AR-15 Enhanced Takedown Pins Gray
TYRANT CNC$26.99Tyrant CNC TDAR15TPGREY Takedown Pins Enhanced AR-15 Grey Aluminum The Tyrant CNC AR-15 Enhanced Takedown Pins are designed as a direct replacement for standard AR-15 platform takedown pins. Crafted from durable 7075 aluminum, these pins provide a... -
DPMS DR10 Upgrade Kit – AR10 Lower Parts Conversion Kit Black
DPMS PANTHER ARMS$18.99DPMS DR10 Upgrade Kit – AR10 Lower Parts Conversion Kit Black The DPMS DR10 Upgrade Kit is designed to adapt key lower parts for AR10 and DR10 platform builds using select AR-15 lower parts kit components. Built for reliable fit and straightforward... -
CMMG AR-15 Firing Pin – .223 Rem / 5.56 NATO / .300 Blackout
CMMG$9.99CMMG AR-15 Firing Pin – .223 Rem / 5.56 NATO / .300 Blackout The CMMG AR-15 firing pin is a precision replacement component designed to support reliable ignition and consistent performance in compatible MK4 and AR-15 platforms. Built from durable... -
LANTAC USA SmoothCam Domed Cam Pin 556
LANTAC USA$27.99LANTAC 01-UP-556-CP SMOOTHCAM DOMED CAM PIN 556 The LANTAC USA SmoothCam Domed Cam Pin 556 is a precision-machined component designed for firearm applications requiring reliable and smooth operation. This cam pin is crafted to meet the exacting... -
LANTAC USA Ultimate Takedown Pin Set Titanium
LANTAC USA$44.99LANTAC 01-LP-UPS-TI ULTIMATE TAKEDOWN PIN SET TI The LANTAC USA 01-LP-UPS-TI is a high-quality titanium takedown pin set designed for precision and durability. Crafted for AR-15 and similar rifle platforms, this set offers a reliable upgrade for smooth... -
LANTAC USA Ultimate Takedown Pin Set in Tin
LANTAC USA$45.99LANTAC 01-LP-UPS-TIN ULTIMATE TAKEDOWN PIN SET TIN The LANTAC USA 01-LP-UPS-TIN is a high-quality takedown pin set designed for reliable firearm assembly and maintenance. Crafted for durability and precision, this set ensures smooth operation and easy... -
BATTLEARMS BAD-EPS Aluminum Enhanced Takedown & Pivot Pin Set (FDE) | AR15/M16/M4/AR9
Battle Arms Development$29.95BAD-EPS Aluminum Enhanced Takedown & Pivot Pin Set (FDE) | AR15/M16/M4/AR9 Brand: Battle Arms Development, Inc. Item: BAD-EPS-AL-FDE SKU: BAD-EPS-AL-FDE UPC: 810033784149 Upgrade your receiver with the Battle Arms Development BAD-EPS Aluminum... -
BATTLEARMS BAD-EPS Aluminum Enhanced Takedown & Pivot Pin Set (ODG) | AR15/M16/M4/AR9
Battle Arms Development$29.95BAD-EPS Aluminum Enhanced Takedown & Pivot Pin Set (ODG) | AR15/M16/M4/AR9 Brand: Battle Arms Development, Inc. Item: BAD-EPS-AL-ODG SKU: BAD-EPS-AL-ODG UPC: 810033784187 Give your AR build a clean, functional upgrade with the BAD-EPS Aluminum... -
BATTLEARMS BAD-EPS Aluminum Enhanced Takedown & Pivot Pin Set (Red) | AR15/M16/M4/AR9
Battle Arms Development$29.95BAD-EPS Aluminum Enhanced Takedown & Pivot Pin Set (Red) | AR15/M16/M4/AR9 Brand: Battle Arms Development, Inc. Item: BAD-EPS-AL-RED SKU: BAD-EPS-AL-RED UPC: 810033785559 Upgrade your AR build with the BAD-EPS Aluminum Enhanced Pin Set in Red... -
BATTLEARMS BAD-EPS Aluminum Enhanced Takedown & Pivot Pin Set (Blue) | AR15/M16/M4/AR9
Battle Arms Development$29.95BAD-EPS Aluminum Enhanced Takedown & Pivot Pin Set (Blue) | AR15/M16/M4/AR9 Brand: Battle Arms Development, Inc. Item: BAD-EPS-AL-BLU SKU: BAD-EPS-AL-BLU UPC: 810033784514 Upgrade your AR build with the BAD-EPS Aluminum Enhanced Pin Set in Blue... -
BATTLEARMS BAD-EPS-308 Enhanced Pin Set (.308) | AR15/M16/M4 Platform
Battle Arms Development$34.95BAD-EPS-308 Enhanced Pin Set (.308) | AR15/M16/M4 Platform Item: BAD-EPS-308 SKU: BAD-EPS-308 UPC: 810033780424 The Battle Arms Development BAD-EPS-308 Enhanced Pin Set is a premium takedown and pivot pin upgrade engineered for AR-style receivers. The... -
BATTLEARMS BAD-EPS-Ti Enhanced Pin Set (Titanium – Black DLC) | AR15/M16/M4/AR9
Battle Arms Development$54.95BAD-EPS-Ti Enhanced Pin Set (Titanium – Black DLC) | AR15/M16/M4/AR9 Item: BAD-EPS-TI_BLACK_DLC_-_BLACK SKU: BAD-EPS-TI UPC: 810033780417 The Battle Arms Development BAD-EPS-Ti Enhanced Pin Set (Black DLC) is a premium takedown and pivot pin... -
BATTLEARMS BAD-EPS-TI Enhanced Titanium Pin Set | AR15/M16/M4/AR9
Battle Arms Development$49.95BAD-EPS-TI Enhanced Pin Set (Titanium – Clear / Natural Finish) | AR15/M16/M4/AR9 Item: BAD-EPS-TI SKU: BAD-EPS-TI UPC: 810033780400 Platform Compatibility: AR15 / M16 / M4 / AR9 Material: Grade 5 Titanium (Precision CNC Machined) Finish: Natural... -
BATTLEARMS AR15/M16/M4 Buffer Retainer / Detent
Battle Arms Development$2.50The BATTLEARMS AR15/M16/M4 Buffer Retainer / Detent is a precision-machined small part designed to hold the buffer and spring securely in place within the receiver extension. Essential for proper AR-platform operation, this component ensures smooth... -
BATTLEARMS BAD INC T10 Screws 4-40 x 5/16 Selector Screw
Battle Arms Development$4.00Battle 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 BAD-ASS - Semi Auto 90° - Replacement Center and Screws
Battle Arms Development$25.95BAD-ASS-CENTER 90 DEGREE Center and 2 Screws ONLY Levers NOT included -
BATTLEARMS AR15/M16 Buffer Retainer/Detent
Battle Arms Development$2.50AR15/M16 Mil-Spec Buffer Retainer/Detent -
BATTLEARMS AR15/M16 Buffer Retainer Spring
Battle Arms Development$1.00AR15/M16 Mil-Spec Buffer Retainer Spring -
BATTLEARMS Socket Head Cap Screw | 1-72 x 1/8" | EMMR-SCREW
Battle Arms Development$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 Development$0.754-48 x 1/8in Cup Point Set Screw .050in Allen -
BATTLEARMS Mil-Spec ARMil-Spec AR15/LR308 T15/LR308 Trigger Disconnector Spring - Semi Auto
Battle Arms Development$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... -
-
BATTLEARMS Mil-Spec Trigger Spring for AR-15 and LR-308 Rifles
Battle Arms Development$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 AR15/M4 Takedown and Pivot Pin Detent – Precision Fit for Secure Pin Retention
Battle Arms Development$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 Development$3.00AR15/M16 Mil-Spec Magazine Catch Spring -
BATTLEARMS AR15/M16 Carbine Buffer Spring
Battle Arms Development$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... -
BATTLE ARMS BAD-QRRTP - Quick Release Rear Takedown Pin
Battle Arms Development$30.00BAD-QRRTP Quick Release Rear Takedown Pin Features: Dual Function Easy Pull Head CNC Machined Comes with Detent and Spring Made in the USA! Patent US10101107B1 -
BATTLEARMS BAD-EPS-308 (Enhanced Pin Set) LR-308/SR-25/AR308
Battle Arms Development$29.95BATTLEARMS – BAD-EPS Enhanced Takedown & Pivot Pin Set (AR15/M16/M4/AR9) Item: BAD-EPS SKU: BAD-EPS UPC: 810033780394 Platform Compatibility: AR15 / M16 / M4 / AR9 The BATTLEARMS BAD-EPS® Enhanced Takedown and Pivot Pin Set upgrades one... -
BATTLEARMS AR15/M16 Takedown & Pivot Pin Detent Spring – AR15 Mil-Spec Replacement Part
Battle Arms Development$0.75Replace worn or lost detent springs in your AR15 or M16 rifle with this high-quality Mil-Spec spring from Battle Arms Development. Precision-engineered for reliability and durability, it’s perfect for custom builds, repairs, or routine maintenance... -
BATTLEARMS BAD-EPS FDE Aluminum Enhanced Takedown and Pivot Pin Set
Battle Arms Development$29.95Battle Arms Development Enhanced Pin Set (BAD-EPS) for the AR15 / M16 / M4 style rifles. The BAD-EPS features the following improvements and features: Precision Swiss CNC machined. AR15 / M16 / M4 Compatible - Fits all AR15/M16/M4 lower receivers with... -
BATTLEARMS Green Aluminum Enhanced Takedown / Pivot Pin Set
Battle Arms Development$29.95Battle Arms Development Enhanced Pin Set (BAD-EPS) for the AR15 / M16 / M4 style rifles. The BAD-EPS features the following improvements and features: Precision Swiss CNC machined. AR15 / M16 / M4 Compatible - Fits all AR15/M16/M4 lower receivers with...
