Brownells 75th Anniversary - A Shooting Heritage

Fits Rifle Or Cabine Barrels; Ramped To Help Guide Rounds Into Chamber

Economical, high-quality M4 barrel extension is machined to mil-spec standards with integral feed ramps and predrilled locator pin hole for fast, easy barrel installations. Machined from 8620 steel and head-treated for additional surface hardness to resist erosion by hot combustion gases for years of reliable service. Great for custom barrel jobs and caliber conversions.

AR-15, Issue:11, Page:022
Big Book Catalog, Issue:72, Page:028

SPECS: 8620 steel, in-the-white. .8125"-16UNF thread. Barrel locator pin required, not included.

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Out of Stock

Color: Unfinished

Material: Steel