StreetSweeper56 Posted January 27 Share Posted January 27 Just curious, anyone else ever notice the 7th round of some brands of shells will not fit in the M4 tube? 1 Quote Link to comment Share on other sites More sharing options...
John P. Posted January 27 Share Posted January 27 Not all shells are the same length. Some people buy certain shells for this reason. Some cut a couple coils from their mag spring. Quote Link to comment Share on other sites More sharing options...
StreetSweeper56 Posted January 27 Author Share Posted January 27 (edited) 11 minutes ago, John P. said: Not all shells are the same length. Some people buy certain shells for this reason. Some cut a couple coils from their mag spring. Correct, the reason I ask is I mentioned that on another forum and someone claimed if I couldn't fit 7 rounds of ANY manufacture in the tube it was defective (lol). Said he's been "working on guns for 50 years" and had never seen that. Apparently he's never noticed shotshells can vary in length between manufacturers either so I wanted feedback here, seems dubious. Edited January 27 by StreetSweeper56 2 Quote Link to comment Share on other sites More sharing options...
John P. Posted January 27 Share Posted January 27 Yeah, it’s been a topic since I’ve been on this forum (2007). 1 Quote Link to comment Share on other sites More sharing options...
EzGoingKev Posted January 28 Share Posted January 28 I could just barely fit 7 rounds of Federal LE133 in my gun. I replaced the OE magazine cap with one from Rx Arms. His cap has more internal space than the OE cap. Now I can fit 7 rounds with no problems. Quote Link to comment Share on other sites More sharing options...
sonyman74 Posted January 28 Share Posted January 28 I did a comparison once of about 6 different brands of 2-3/4" 00 buck shots. The shortest one was a tad shorter than 2-3/4" and the longest one was nearly 3". The one almost 3" was curled with a cardboard stop in the end vs. folded and crimped like most. 1 Quote Link to comment Share on other sites More sharing options...
StreetSweeper56 Posted January 28 Author Share Posted January 28 20 minutes ago, EzGoingKev said: I could just barely fit 7 rounds of Federal LE133 in my gun. I replaced the OE magazine cap with one from Rx Arms. His cap has more internal space than the OE cap. Now I can fit 7 rounds with no problems. Yes I know, I have 3 and they work great. The reason for the inquiry I spelled out in my 2nd post i.e. someone trying to tell me the tube was "defective" if 7 rounds of any make wouldn't fit. I tried searching but couldn't find any thread on it though I know I've seen it at least once. 1 Quote Link to comment Share on other sites More sharing options...
JillV Posted January 30 Share Posted January 30 I'm in one of the merely free-ish states that doesn't allow the full tube, so hypothetically 5+1. However, as said in the thread all shells aren't the same, & in my rig which is Hornady slugs in the tube, only 4 fit. 5 almost does, but not quite. I get around this by ghost loading, so I have 4+1+1 when topped off. I don't store it that way however, when I store it & leave the house I empty the chamber first. 1 Quote Link to comment Share on other sites More sharing options...
nyc71 Posted February 1 Share Posted February 1 I not convinced is the crimp on the shell, I can fit seven LE13300 in the 1301 tube but not on the M4. Quote Link to comment Share on other sites More sharing options...
benelliwerkes Posted February 1 Share Posted February 1 (edited) As mentioned above variations in the un-fired cartridge overall length can effect magazine load capacity difference and has been discussed for many years on this forum. The crimp on the un-fired cartridge is not relevant. The open crimp on the fired cartridge is relative to chamber length dimensions, i.e. 2-3/4" open shell should not exceed this length after being fired or extraction / ejection problems may arise. Comparing one firearm magazine capacity to another is apples & oranges. Edited February 1 by benelliwerkes 1 Quote Link to comment Share on other sites More sharing options...
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