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Easy to install magazine extensions increase capacity of your 12 Gauge shotgun.
Machined from super-strong chrome moly steel tubing. The seven-shot extension allows for two extra rounds, the eight-shot adds three and the ten-shot adds five more rounds to the shotgun's capacity. Ten-shot extensions include a Barrel/Magazine Clamp and all extensions include a new spring. (Note: For 12 gauge only)
Magazine Extensions available for 12 gauge only
Mossberg 930/935
Benelli M1/M2/M4,Nova, Super Nova,
Remington 870/1100/1187,
Winchester 1200/1300 Defender/Black Shadow
Posted by Vince on 29th Jan 2021
First, good shipping time. This extension fits perfectly on my M4 without tools. The only things, the way it is design, it is not a +2 shells extension but a +1 instead. I'm using 2 3/4 inches shells and I can only fit 6 shells. Its missing a good inch inside the tube for the 7th to fit. The package said +2 shells but its wrong. But its okay I gained 1 shell and the look is better than the factory extension.