Barrel Extension, M4 Ramp

Specifically designed for carbine installations, this is a correct-spec M-4 barrel extension with feed ramp and pre-drilled hole for locator pin. Perfect for custom builds, rebarreling jobs, and caliber conversion projects. Integral feed ramp ensures proper chambering in carbine configurations and adds an extra measure of insurance for smooth, reliable feeding in rifles. Fully machined from high-grade 4140 chrome-moly steel for precise fit, strength, and durability.