LTAC Ultra Low Profile Adjustable Gas Block 0.750" - Rebuild Kit Only Ensure you select the correct kit. The adjustment screw is different depending on if you have a Gen 1 or Gen 2 gas block. You can
Fitment: Remington 870 and Exact Clones
Included is the Mount Only with Quick Release Clamps
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The UBS-12 Gen 3 (Under Barrel Shotgun 12 Gaug