T.REX ARMSBolt Carrier GroupsPremium

AR-15 Bolt Carrier Group

T.REX-branded AR-15 bolt carrier group for 5.56-pattern builds.

Price: $235
Brand: T.REX ARMS
Category: Bolt Carrier Groups

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View at T.REX ARMS

Features

•AR-15 BCG
•5.56 pattern
•Complete carrier group

More AR-15 guides & articles

Guides

AR-15 BCG Coatings 2026: DLC vs Nitride vs NiB Tested & Evaluated

guide · intel · 6 min read

Best AR-15 BCG 2026: Duty, Suppressed & Budget Picks

guide · gear · 17 min read

300 Blackout Ballistics: Barrel Length & Subsonic Ammo

guide · ballistics · 13 min read

Articles

KAK DBC BCG: Dead-Blow Carrier That Kills the H3 Buffer

article · news · Jun 4, 2026

SIG Spear LT 11.5" 5.56 Review: 3,000-Round Test Results

article · review · Jan 19, 2026

Pros

+T.REX ARMS first-party design
+Direct product-family fit and configuration support
+T.REX lifetime warranty where listed

Cons

−Final price varies by size, color, or configuration
−Verify the selected configuration before ordering

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Compatible Platforms

Custom

Custom AR-15 (Build From Scratch)

Palmetto State Armory

PSA PA-15 16" Carbine

Palmetto State Armory

PSA 8.5" 338 ARC HAR-15 Pistol

Palmetto State Armory

PSA Sabre-15 Forged 11.5" 5.56 Pistol

IWI US

IWI Zion-15 11.5" SBR

Colt

Colt EPR II Patrol 11.5" SBR (LE6933-EPRII)

Compatibility Tags

family: ar-patterncaliber: 223caliber: 556caliber: 300blkcaliber: 350legendbolt-face: 223part: bcg-complete

Build Your Custom Configuration

Add the AR-15 Bolt Carrier Group to your build and see how it enhances your platform.