Swiss arms twist

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Gopher Slayer

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i was wondering what rates of twist you were all running ? i think they come on 1:7 and 1:10? i was thinking of getting a rifle and was thinking of getting the 1:10 twist if possible so i could shoot lighter bullets but is there anything i should watch out for?
 
angryeyebrows said:
How do you tell the twist rate on the Swiss rifles? Is there any markings to go by?
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Not that I know of. I've never seen any markings on mine. I think that it's one of those things that is mentioned when you buy the rifle. 90% of the time they are in 1 in 10, if it's 1 in 7, than chances are the dealer/person will specifically mention.
 
nickorette said:
Not that I know of. I've never seen any markings on mine. I think that it's one of those things that is mentioned when you buy the rifle. 90% of the time they are in 1 in 10, if it's 1 in 7, than chances are the dealer/person will specifically mention.
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Yeah they had a Green Classic at P&D a few months ago, I didn't see anything stating it was a 1:7 on the barrel etc.. but like you said, the dealer specified it was.
 
Most European made guns use an angle to identify twist ( Drall in Swiss) like a 1-10" 7.62 is about 8.4 deg. 1-10" in a smaller caliber would have a lesser angle. Don't know if the angles are stamped on the barrel or not but are spelled out in the specs.
 
My Swiss Arms SG 550 has a 1:7 twist. It runs ok with 62 grain rounds. It does shoot a bit better with the 69's and 77's, but those don't fall within the Service Rifle rules here.
 
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Amazing this question keeps popping up.:rolleyes:

From what I have seen and heard from others in the know in Europe, the 1 in 7 twist barrels are threaded inside the flash hidder for a BFA to be screwed in. The BFA in question is made by Swiss Arms and is not Swiss issue. As a result, the 1 in 10 twist barrels are not treaded inside the flash hidder.
 
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