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Posted: 3/7/2008 1:17:32 PM EDT
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Hey new to AR's and I would like some imput on just how much these AR's can take as far as firing them. I shot probably 100 to 150 rounds thru it the other day and the 'ol barrel was pretty hot, as in smoking the shipping oil off the barrel that was under the FF handguard. I don't want to asume you can fire them like you see on TV without damaging the gun. I'm taking a couple freinds out this weekend for some outdoor shooting and I would like to know any rules of thumb for how many rounds you can fire thru these at a time before you should let them cool off |
Dont sweat it. AR's can take quite a lot. Unless your shooting FA, and even then, alot in a short period of time, it shouldnt be an issue. As a general rule for myself, if it's too hot to hold, it's time to cool her off. ( insert joke here ). I rarely have that issue as bump firing doesnt hold the appeal for me, and well heck, I cant afford an FA set-up. I'm all for well aimed and executed shots. My ammo is worth too much to dump it for the sake of looking cool, meaning bump firing ( or at least think your looking cool. The purpose should be to become more proficient, not less. If I did have a NFA FA set-up, then yea. I'd burn up a mag or 10 when I shot it since thats why I would have gone through the trouble. |
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You'll know when it gets too hot. My rifle prevents me from shooting too much because I won't be able to hold the handguards without gloves. But if you do manage to take the pain of third degree burns on your hand, the gas tube will start glowing/melting. That is a good indicator of when to stop firing. At about this |
| The government has run tests and published the results that show if approximately (I don't remember the exact number) 600 rds are fired full auto using 30 rd mags, the barrel will sag and burst. I think the auto rate of an M4 is about 600 rds/min so the time required for 20 magazine changes plus one minute of full auto firing = burst barrel. Don't know if you could get there with semi-auto fire or not. |
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I've shot 12, 30 round mags as fast as I could shoot on burst and only paused long enough to reload those and shoot them again. The barrel changed color permanatly. from black to kinda silver/purpleish. ahh the memories of having a platoon with 11000 rounds to fire and only an hour until the range had to be shut down. Jedberg |
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