The LBE Unlimited AR145RBK is a compact AR-15 upper build kit built around a premium 14.5-inch Cold Hammer Forged (CHF) barrel engineered for durability and high performance in a pistol-length gas system. This kit is designed for AR pistol or SBR builds and includes a complete upper receiver, free-floating handguard, gas block, gas tube, and CHF barrel. Rugged construction and precision machining make this a reliable, close-quarters AR platform ready for customization and field use.
AR15 Uppers
LBE Unlimited AR145 14.5 Inch 223 Remington Ready Build Kit
$558.00
LBE Unlimited AR145RBK delivers a compact 14.5″ Cold Hammer Forged barrel with free-floating handguard in a complete upper build kit engineered for durability and high performance. Ready for AR pistol or SBR builds with rugged construction and precision machining.
Availability: In stock
LBE Unlimited
| Weight | 3.5 lbs |
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| Dimensions | 16 × 6 × 4 in |
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