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AR 15 Big Bore Extensions

M4 type barrel extension
$40.00

MIL-Speck AR-15 Barrel extensions in guaranteed to fit your MIL-SPEC AR-15 while offering optimal performance. Each AR-15 barrel extension features a stainless finish and is heat treated to protect against rust and corrosion and is precision machined to exacting standards with integral feed ramps and a pre-drilled locator pin hole.

MIL-Speck AR-15 Barrel extensions in guaranteed to fit your MIL-SPEC AR-15 while offering optimal performance. Each AR-15 barrel extension features a stainless finish and is heat treated to protect against rust and corrosion and is precision machined to exacting standards with integral feed ramps and a pre-drilled locator pin hole.

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