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 4140 chrome-moly 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.
MSRP: $21.95
JoeBob's Sale Price: $19.95
JoeBob dun saved you $2.00!
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Availability: Usually Ships in 24 Hours
Product Code: BRN-100-004-728
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