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Showing results for tags '#m4'.
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Apologies if this has been covered before but I'm wondering if anyone has had any issues running aftermarket fore-end's and light/rail mounts. I have seen a number of posts but none specifically addressing what I experienced. I recently broke the barrel guide ring on my M4 which was less than a year old and had less than 750 rounds in it. I was running a B&T fore-end with a CDM Gear rail mount (which happens to clamp to the barrel and mag tube). Benelli fixed the guide ring free of charge (minus $40 to ship it to them) but said I shouldn't run any aftermarket fore-end on it. Has anyone else had any problems with the B&T rail? I'm thinking the culprit was more likely the CDM rail mount. Many thanks.