Brownells 75th Anniversary - A Shooting Heritage

Saves Wear On Bolt Lugs & Softens Blow On Op Rod

Vented steel design changes cycle time by letting you adjust the gas volume in the cylinder. Quick adjustment of vent size with integral set-screw; eliminates changing screws for different vent sizes. Reduces battering on op rod, bolt lugs, receiver and trigger group. Available for M1 Garand and M1A.

Big Book Catalog, Issue:71, Page:168

SPECS: Steel, parkerized finish. Replaces existing gas nut with no modifications to the rifle. Includes adjustment tool and instructions.

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