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11/23/2005 4:31:50 PM EDT
When I get a new magazine of any type--I test it by shooting it full capacity several times before I consider it reliable. BUT, I read in one of the gun rags on AR's that this is not neccessary with AR mags and you only have to test 5 rounds as these last 5 rounds are the ones that will cause malfunctions........

Has anyone heard this before? Am I wasting good ammo by shooting several full mags worth to test my 20 & 30 rnd AR mags?  It would seem that feed problems can occur in the first few or last rounds.....but I could be wrong......

Thanks for the info.
11/23/2005 4:46:49 PM EDT
[#1]
Not true.  Some don't like to feed the last two rounds, however this has been up for discussion many times before.  Personally before I trust a mag, I'd shoot it a few times to test function (from fully loaded).  A mag is a mag...it's just a container with a spring and a follower.  Any good mag for eithor a ar15 or a pistol can have the same feeding problems.  Any mags that showed a problem feeding would get an inspection and a wolff spring and magpul follower upgrade and then tested again.  If it didn't work, I'd clearly mark it as a range mag and never use it as a "reliable" mag.  Some crush them, etc.  But personally I'd rather wear out/beat up a bad mag.  Might also be good for malfunction drills/reload drills (where you put a few rounds in and shoot till empty, reload).  Just make sure that if you keep them, you make sure that they don't get confused with your good ones.
11/23/2005 5:02:27 PM EDT
[#2]
If a magazine is out of spec in the lower half of the tube or has a protruding metal burr or weld in the lower half, you may not notice the problem till you load and fire a fully loaded magazine.

Full-Auto
11/23/2005 5:44:24 PM EDT
[#3]

Quoted:
Am I wasting good ammo by shooting several full mags worth to test my 20 & 30 rnd AR mags?  





Are you?  I generally consider practice a good thing.  If your magazines get function checked in the process, all the better.
11/24/2005 4:09:21 AM EDT
[#4]
I agree, Lumpy--heck, I don't need "magazine testing" as an excuse to practice....although I must confess to telling my wife that I "absolutely MUST test-fire" a gun or magazines, etc. so I can get to the range. She understands the "testing something new" idea.....Now I'm just trying to get her to come along and shoot or even load the mags......

The reason for asking is more wondering if this gun writer is correct or is it hooey....I don't believe everything I read and this writer's test-method didn't seem to make sense to me, but if it does, then it would be another piece of knowledge. If I were in a rush to test mags/had limited range time, or was low on ammo, etc. it would be helpful to confirm or refute this test method.

I did do a search and didn't find anything to help....I guess I may not have done it correctly....

Thank you all for answers and Happy Thanksgiving!

11/24/2005 11:10:56 AM EDT
[#5]
Shooting 30 is more fun and educational than shooting 5

How else are you gonna know if it works correctly?

WIZZO
AR Sponsor