Springs, pins, and clips are small but essential components used in firearm assembly, maintenance, repairs, and replacement across a wide range of compatible platforms. They help support retention, tension, movement, and proper function in many internal and external firearm systems. Different part types can affect fit, reliability, and overall operation depending on the firearm and intended application. This category includes springs, pins, and clips built for proper fit, dependable function, and practical everyday performance.
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LANTAC USA Ultimate Takedown Pin Set in Tin
LANTAC USAOUR PRICE: $46.99LANTAC 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... -
BATTLEARMS BAD-EPS Aluminum Enhanced Takedown & Pivot Pin Set (FDE) | AR15/M16/M4/AR9
Battle Arms DevelopmentOUR PRICE: $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... -
BATTLEARMS BAD-EPS Aluminum Enhanced Takedown & Pivot Pin Set (ODG) | AR15/M16/M4/AR9
Battle Arms DevelopmentOUR PRICE: $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... -
BATTLEARMS BAD-EPS Aluminum Enhanced Takedown & Pivot Pin Set (Red) | AR15/M16/M4/AR9
Battle Arms DevelopmentOUR PRICE: $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... -
BATTLEARMS BAD-EPS Aluminum Enhanced Takedown & Pivot Pin Set (Blue) | AR15/M16/M4/AR9
Battle Arms DevelopmentOUR PRICE: $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... -
BATTLEARMS BAD-EPS-308 Enhanced Pin Set (.308) | AR15/M16/M4 Platform
Battle Arms DevelopmentOUR PRICE: $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... -
BATTLEARMS BAD-EPS-Ti Enhanced Pin Set (Titanium – Black DLC) | AR15/M16/M4/AR9
Battle Arms DevelopmentOUR PRICE: $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... -
BATTLEARMS BAD-EPS-TI Enhanced Titanium Pin Set | AR15/M16/M4/AR9
Battle Arms DevelopmentOUR PRICE: $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: -
BATTLEARMS AR15/M16/M4 Buffer Retainer / Detent
Battle Arms DevelopmentOUR PRICE: $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... -
BATTLEARMS BAD INC T10 Screws 4-40 x 5/16 Selector Screw
Battle Arms DevelopmentOUR PRICE: $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... -
BATTLEARMS AR15/M16 Buffer Retainer/Detent
Battle Arms DevelopmentOUR PRICE: $2.50AR15/M16 Mil-Spec Buffer Retainer/Detent -
BATTLEARMS AR15/M16 Buffer Retainer Spring
Battle Arms DevelopmentOUR PRICE: $1.00AR15/M16 Mil-Spec Buffer Retainer Spring -
BATTLEARMS Socket Head Cap Screw | 1-72 x 1/8" | EMMR-SCREW
Battle Arms DevelopmentOUR PRICE: $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... -
BATTLEARMS Takedown Spring Retainer Screw
Battle Arms DevelopmentOUR PRICE: $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 DevelopmentOUR PRICE: $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,... -
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BATTLEARMS Mil-Spec Trigger Spring for AR-15 and LR-308 Rifles
Battle Arms DevelopmentOUR PRICE: $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... -
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BATTLEARMS AR15/M4 Takedown and Pivot Pin Detent – Precision Fit for Secure Pin Retention
Battle Arms DevelopmentOUR PRICE: $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... -
BATTLEARMS AR15/M16 Magazine Catch Spring
Battle Arms DevelopmentOUR PRICE: $3.00AR15/M16 Mil-Spec Magazine Catch Spring -
BATTLEARMS BAD-BCS Threaded Bolt Catch Screw – AR-15 / AR-10
Battle Arms DevelopmentOUR PRICE: $5.30The Battle Arms Development BAD-BCS Threaded Bolt Catch Screw is a small but essential component for AR builders and armorers using lowers that accept a threaded bolt catch screw. Designed with 6-32... -
BATTLEARMS AR15/M16 Carbine Buffer Spring
Battle Arms DevelopmentOUR PRICE: $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... -
BATTLE ARMS BAD-QRRTP - Quick Release Rear Takedown Pin
Battle Arms DevelopmentOUR PRICE: $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 DevelopmentOUR PRICE: $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®< -
BATTLEARMS AR15/M16 Takedown & Pivot Pin Detent Spring – AR15 Mil-Spec Replacement Part
Battle Arms DevelopmentOUR PRICE: $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... -
BATTLEARMS BAD-EPS FDE Aluminum Enhanced Takedown and Pivot Pin Set
Battle Arms DevelopmentOUR PRICE: $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... -
BATTLEARMS Green Aluminum Enhanced Takedown / Pivot Pin Set
Battle Arms DevelopmentOUR PRICE: $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... -
BATTLEARMS BAD-EPS Purple Aluminum Enhanced Takedown and Pivot Pin Set
Battle Arms DevelopmentOUR PRICE: $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 /... -
BATTLEARMS BAD-EPS Blue Aluminum Enhanced Takedown and Pivot Pin Set
Battle Arms DevelopmentOUR PRICE: $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 /... -
BATTLEARMS BATTLE ARMS BAD-EPS Enhanced Takedown and Pivot Pin Set AR15
Battle Arms DevelopmentOUR PRICE: $29.00Battle Arms Development Enhanced Pin Set (BAD-EPS) for the AR15 / M16 / M4 style rifles. The set consists of the Enhanced Take-down Pin (BAD-ETP) and Enhanced Pivot Pin (BAD-EPP). Precision Swiss... -
BATTLEARMS AR10/LR308 - Ejection Port Cover Pin
Battle Arms DevelopmentOUR PRICE: $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. -
BATTLEARMS AR15/M16 - Ejection Port C-Clip
Battle Arms DevelopmentOUR PRICE: $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... -
BATTLEARMS AR15/M16 - Ejection Port Cover Spring
Battle Arms DevelopmentOUR PRICE: $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...
