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ITEM#: 15388128The ProMag PM145 Benelli M4 magazine extension adds two 3 inch magnum shells, or three (3) 2-3/4 inch shells in capacity to 12-gauge M4 shotguns. The magazine extension is machined from solid billet T6 aluminum alloy, then type III hard anodized. The spring is precision wound using Chrome-silicon wire for reliability. All steel components are black phosphate identical to original factory magazine extension. Magazine extension tube clamp included. No permanent modification required. All mounting hardware included.
- Brand: ProMag
- Model: Magazine Extension
- Materials: Aluminum
- Color: Black
- Dimensions: 24 inches high x 1 inch wide x 1 inch deep
- Weight: .25 lbs
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|Type||Pistol, Rifle, Shotgun|
|Model Number||Magazine Extension|
|Country of Origin||China|
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