The Accurate Reloading Forums THE ACCURATE RELOADING.COM FORUMS Rifles Small Calibers Twist rate .223 1:7 vs 1:9 for 55grGo | New | Find | Notify | Tools | Reply | |
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Looking at AR-15's I've notice that in Colts some have 1:7 and 1:9 twist what would be the best twist rate for factory ammo in 55gr nosler ballistic tip. Also any info on AR brands like best bang for the buck and resale value if needed. ie Colt, Bushmaster, Rock river, M&P etc.. Use's plinker, ground hog, coyote -in M4/A3 type collapse stock, removable handle add a scope... | ||
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For 55grn bullets the plain jane 1-12" twist will serve just fine. ---------------------------------------- If you waste your time a talkin' to the people who don't listen To the things that you are sayin' who do you thinks gonna hear And if you should die explainin' how the thing they complain about Or the things they could be changing who do you thinks gonna care Waylon Jennings | |||
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I was just issued an M4/A3 and it is marked 1-9. It shoots 55 grainers just fine on semi or full auto.  **************** NRA Life Benefactor Member | |||
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This is a question from the truly uninitiated... With your M4 on 3-shot-burst. what is the BEST group you could expect at 25 yards? I'm guessing in the 5" range? | |||
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definatly a 1 in 9 twist for 55 grain | |||
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I have a Bushmaster lower and a DPMS 24" barrel with a 1 in 8 twist. When I first got it I sent off for 3 boxes of bullets in different weights to see which it would shoot better: 60 gr Nosler Partition 69 gr Match King 75 gr HPBT moly coated With the 1 in 8 twist it shot the 60 gr bullets into about 4", the 69 gr bullets into 1 1/2" and the 75 gr bullets into 1/2". My guess would be that with a 1 in 7 twist you would have to shoot 75 to 80 gr bullets and that the 1 in 9 would be best from 60 to 70 gr bullets. Rock River gets good review. Lewis machine is supposed to be the best. Older Colts were good. Bushmaster is OK. DPMS makes lots of options as far as barrels, calibers and actions. ____________________________________ There are those who would misteach us that to stick in a rut is consistency - and a virtue, and that to climb out of the rut is inconsistency - and a vice. - Mark Twain | Chinese Proverb: When someone shares something of value with you and you benefit from it, you have a moral obligation to share it with others. ___________________________________ | |||
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i shoot 63 grain speer in my steyr tac elite with 1-9 twist holding 1" at 200 yards with n133 | |||
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The Accurate Reloading Forums THE ACCURATE RELOADING.COM FORUMS Rifles Small Calibers Twist rate .223 1:7 vs 1:9 for 55gr
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