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Centerfire Rifles - Semiautomatic or Gas Operated Centerfire rifles, carbines and other gas operated rifles.

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  #1  
Old 09-20-2019, 6:25 PM
eighteenninetytwo eighteenninetytwo is offline
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Default New 20 round M1a mags

I got 5 of these (among others) during the Magapalooza week and havenít used them at all yet. Going to head to the range tomorrow and thinking of taking my M1. Havenít shot it with a 20 rounder before - is there anything I need to watch out for in terms of feeding etc?
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  #2  
Old 09-20-2019, 6:31 PM
jarhead714 jarhead714 is offline
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Just make sure the cartridges are pointed the right way when you load.
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  #3  
Old 09-20-2019, 6:41 PM
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Make sure you don't leave any at the range while packing up and leaving.
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Old 09-20-2019, 7:40 PM
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Well, itís the magazine the rifle was actually designed around, so.....


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  #5  
Old 09-20-2019, 7:54 PM
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Try not to force 21 rounds in.
Kevin
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  #6  
Old 09-20-2019, 7:55 PM
jarhead714 jarhead714 is offline
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Take twice the ammunition you normally would.
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Old 09-20-2019, 8:26 PM
eighteenninetytwo eighteenninetytwo is offline
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I sense a level of sarcasm here so Iím guessing Iím overthinking. Thank you all.
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Old 09-20-2019, 8:27 PM
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Enjoy your day tomorrow. Hydrate now!
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  #9  
Old 09-20-2019, 8:35 PM
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Block them to 10 rounders to be safe
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  #10  
Old 09-20-2019, 9:04 PM
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There is some suggestion that resting the rifle on the magazine while shooting can lead to bad results.
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  #11  
Old 09-20-2019, 10:19 PM
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I can't comment on how it would fare on the M1A, but I run these on a converted .308 VEPR. I have a few no name brand ones, a couple Springfield Armory ones and a couple CheckMate Industries. The no-name ones tend to jam as the follower tilts forward after shooting one or two rounds. Very frustrating. By loading the rounds as far back as possible, the follower tilt is lessened a bit. The SA and CMI ones tend to be more reliable. I have since bought stronger Wolff springs for these, but I haven't had chance to try them out again. If the rounds nosedive again, I'll have to toss the no name ones and just stick with SA or CMI. It might be time for me to try some CSSspecs M14 30 rounders eventually.


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Last edited by beanz2; 09-20-2019 at 10:21 PM..
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  #12  
Old 09-20-2019, 11:16 PM
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I have an M1A and have had a decent amount of range time with it. All of my magazines are Checkmates and they all work perfectly. Before 44mag.com closed down they were blowing them out cheap. I have used the cheapo KCI magazines for other platforms and they run great too, but I haven't used those with an M1A.

One thing that was a hangup for me at first was the realization that "OMG They don't have anti-tilt followers!!" But they worked fine.

Here is an article with interesting reading for M1A owners. I don't agree with it at all, but YMMV.

https://nationalinterest.org/blog/bu...-history-62692
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  #13  
Old 09-20-2019, 11:21 PM
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I guess I would add that if it is a serious evaluation of the magazines, I'd eliminate as many other factors as possible. I don't know if an M1A will shoot combloc ammo reliably, but I wouldn't use it. Good .308 ammo is still surprisingly affordable at .50 cents per round or so. With that and the weapon properly maintained, I'd bet there will be zero issues/
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  #14  
Old 09-20-2019, 11:45 PM
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excercise your trigger finger prior to shooting or it will get fatigued from firing so many rounds between mag changes.
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  #15  
Old 09-21-2019, 6:49 AM
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If you got cheap/knock-off M14 magazines, then be prepared to clear stoppages/malfunctions.
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Old 09-21-2019, 10:10 AM
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Make sure to rap the back of the loaded magazine against your helmet before seating the magazine in the rifle to insure all the rounds are fully seated....err, never mind, wrong century.

Checkmate makes M14 magazines for our armed forces so if that's what you have you'll have no problems.
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  #17  
Old 09-21-2019, 10:39 AM
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Bumping 20s is hard, so bring a 10 to keep up your bumpy practice
ProTip: Key your thumb out of the way!

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Old 09-21-2019, 5:39 PM
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^ dork
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Old 09-21-2019, 8:52 PM
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Quote:
Originally Posted by Spyder View Post
^ dork
Yeet! I've got a couple 30s, too. Those are fckn heavy tho...
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  #20  
Old 09-22-2019, 8:27 PM
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Don't answer any questions to anybody who looks suspicious. Name rank and serial number, nothing more.
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Old 09-22-2019, 9:20 PM
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Make sure you yell out wolverines before firing away.
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