Ammo choice for 1-7 twist .223


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joed
April 27, 2012, 07:45 AM
Anyone finding these fast twist barrels have a preference for a certain weight bullet? Seems once you go beyond 62 gr it's all match. I'm guessing 55 gr isn't going to shoot that well but haven't tried it yet.

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snakeman
April 27, 2012, 07:50 AM
Try it. I've found that even guns with the same twist will prefer considerably different bullet weights. It's all a matter of what your gun prefers.

gotigers
April 27, 2012, 08:12 AM
It will shoot 55gr just fine. Remember non match out of the typical AR will be 1.5-4 MAO. You can find some heavier non-match, PVRI, at Aim Surplus when they have it in stock. You should try different weight, manufacturer, bullets to find which ammo your gun likes.

Nicky Santoro
April 27, 2012, 08:15 AM
OP,
I've shot plenty of 40gr out of 1/7 with no problems or discernible loss of accuracy compared to the same ammo out of 1/9. This grain vs twist suddenly seems to be the hot topic. IMO, the quality of the ammo is far more important.
FWIW
YMMV

joed
April 27, 2012, 08:20 AM
I'm probably speculating but my last .223 with 1-9 twist wouldn't shoot anything under 55 gr with much accuracy. You had to see it shoot the 69 gr to believe it. My guess is the 1-7 is going to like 65 gr to 80 gr.

But I'm still going to try different weights.

Robert
April 27, 2012, 09:23 AM
I shoot 55gr out to 400+ yards with my 1:7 with no issues. Though I am just shooting steel targets so tiny little groups are not what I am after.

henschman
April 27, 2012, 09:41 AM
+1... my 20" AR with 1/7 twist shoots 55 grain just fine.

Just try some different types and see what yours likes.

NJGarand
April 27, 2012, 09:46 AM
My RRA 1/9 has shot anything I've put in it pretty well, but so far does the best 69gr Remington HPBTs.

As others said, it all comes down to what shoots best in your particular rifle.

ms6852
April 27, 2012, 11:57 AM
Mine has a 1/8 twist and loves the 55gr. Your 1/7 will shoot 55gr just great. It will also shoot the heavier one for hunting just as great. You need to develop a load for your rifle particular likes...after all it is a 22 and all 22's are finicky eaters. You must realize when it comes to AR platforms the standard accuracy on this rifles regardless of cost or manufacturer, they are all 1.5 MOA or more at 100 yds.

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