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Posted: 4/9/2006 12:09:21 PM EDT
getting a new rifle any imput on which twist,,, 1x9 1x 12 1x8 1x7 ? kinda thinking of going with the 1x9... bad choice?
Link Posted: 4/9/2006 1:35:25 PM EDT
[Last Edit: 4/9/2006 1:35:40 PM EDT by TheRedHorseman]
1/9 is probably the most common on commercial barrels, and it works fine so long as you dont go crazy with the really heavy bullets(77 grain and up)
Link Posted: 4/9/2006 2:40:27 PM EDT
I have a 1x7 (current Govt. twist)
most rifles sold and desired all have 1x9 -
dont belive all you read about twist because every gun has its own harmonics, every gun has its own likes and dislikes when talking ammo.
If you want to shoot heavy gr. then I suggest a 1x8 because your in the middle of the road.
1x9 is also fine for 85-90% of the ammo being sold.
Remember most ammo sources are 55-62 gr. = 1x9 for affordable ammo.
Link Posted: 4/9/2006 2:41:27 PM EDT
1/7 just cuz it works for me and 77 grain bullets
Link Posted: 4/9/2006 2:59:06 PM EDT
what twists do you have on your current ARs?
Link Posted: 4/9/2006 3:43:48 PM EDT
1/7 would be my top choice, but 1/9 works just fine for most loads up to 75 grain.
Link Posted: 4/9/2006 3:45:36 PM EDT
oh...we ought to just tac a "What Twist?" thread, I swear this topic pops up like 3 times a week.
Link Posted: 4/9/2006 4:01:52 PM EDT
What barrel length? How far do you intend to shoot? Most 20" 1:9 barrels will shoot 75 gr with no problems. If the barrel is 16" or shorter, and you intend to shoot the heavy bullets, then a 1:7 would be better. If you don't intend to shoot heavier than 69 gr, a 16" 1:9 barrel will be more than enough.
Link Posted: 4/9/2006 5:11:46 PM EDT
I just bought a Oly Arms M4 but there is no indication of what the twist rate is (like marked on my Colt HBAR), can anyone tell me what the twist rate is and what bullet weight is optimum for 200 yards and closer?
Link Posted: 4/9/2006 5:34:46 PM EDT
I prefer lime.
Link Posted: 4/9/2006 5:36:38 PM EDT

Originally Posted By estimber:
I just bought a Oly Arms M4 but there is no indication of what the twist rate is (like marked on my Colt HBAR), can anyone tell me what the twist rate is and what bullet weight is optimum for 200 yards and closer?



That would be a 1:9 twist on your Olympic.

Since I never shoot anything over 62gr I don't know why I have all these 1:7s running around
Link Posted: 4/10/2006 4:58:53 AM EDT

Originally Posted By 1911ar-15:
What barrel length? How far do you intend to shoot? Most 20" 1:9 barrels will shoot 75 gr with no problems. If the barrel is 16" or shorter, and you intend to shoot the heavy bullets, then a 1:7 would be better. If you don't intend to shoot heavier than 69 gr, a 16" 1:9 barrel will be more than enough.

it's a les baer ipsc custom ultimate "20,
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