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Posted: 3/2/2006 7:57:25 PM EDT
What seems to be the consensus on shooting 62gr through 1-9 barrels? Is it best to stick with 55gr or does it matter? Your thoughts? Is there any downside ie. barrel wear?
Link Posted: 3/2/2006 7:59:45 PM EDT
62gr= A OKay.

WIZZO
Link Posted: 3/2/2006 8:01:49 PM EDT

I've shot 68gr and 69gr in a 1/9 barrel without problems.

Link Posted: 3/2/2006 8:02:02 PM EDT
There are no issues whatsoever with shooting any particular bullet weight (as far as barrel wear is concerned) with a 1:9 barrel. Your barrel might be more accurate with 55gr, or 50 gr, or 75 gr. You'll have to find out, since each barrel is unique. The only reason I shoot more 55 gr than 62 is because I generally find the 55 gr ammo cheaper than the 62, but I have shot tons of 62 gr through mine.
Link Posted: 3/2/2006 8:05:24 PM EDT
I doubt there has ever been a consensus on anything in the histroy of arfcom, ever.
Link Posted: 3/2/2006 8:08:10 PM EDT
69 grain is as high as I would go for a 1:9. I have a 1:7 and shoot mostly 55 and 62
Link Posted: 3/2/2006 8:08:54 PM EDT
So I guess it's more a matter of stabilizing the heavier bullet with a slower twist. Accuracy might be the only casualty. Would that be a fair statement?
Link Posted: 3/2/2006 8:18:14 PM EDT

Originally Posted By MisterC:
So I guess it's more a matter of stabilizing the heavier bullet with a slower twist. Accuracy might be the only casualty. Would that be a fair statement?



Correct. You can shoot as much 77 gr. through your 1/9 as you want. It ain't gonna hurt it a bit. Whether you hit the target is another thing. Experiment with a ride range of ammunition to find what your gun likes. Generally a 1/9 will stabilize anything from 40 gr. to 69 gr., but you may even be able to shoot 75 gr. successfully. Doubt you will be able to stabilize the 77 gr., but stranger things have happened.
Link Posted: 3/3/2006 8:47:05 AM EDT

Originally Posted By MisterC:
What seems to be the consensus on shooting 62gr through 1-9 barrels? Is it best to stick with 55gr or does it matter? Your thoughts? Is there any downside ie. barrel wear?



62 grain ammo was specificlly designed to be used in 1/9 barrels.
Link Posted: 3/3/2006 11:00:12 AM EDT

Originally Posted By DevL:

Originally Posted By MisterC:
What seems to be the consensus on shooting 62gr through 1-9 barrels? Is it best to stick with 55gr or does it matter? Your thoughts? Is there any downside ie. barrel wear?



62 grain ammo was specificlly designed to be used in 1/9 barrels.



Where do you get that from? 1:9 barrels came AFTER 62 grain ammo. The belgians made the SS109 bullet (62 gr), tracer round is too long to be easily stabilized, so they make the barrels 1:7, which is not necessary for most rounds (at the time, anyway). 1:9 is just about perfect for 62 gr bullets, so barrel makers start making them in that twist, since it stabilizes most weights just fine.
Link Posted: 3/3/2006 11:44:56 AM EDT
62gr= A OKay.
Link Posted: 3/3/2006 3:33:00 PM EDT
I shot some 62 grain steel core S&B made in Spain I bought at a gun show 5 or 6 years ago this am in a 1/9 twist Bushmaster Varminter. It fired 10 shots in a 1 1/2 inch group at 100 yards and I was well pleased.
JRandyH
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