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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
1:7 twist 5.56 ?
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<blockquote data-quote="budlight" data-source="post: 1238377" data-attributes="member: 2939"><p>I hope that you did not buy it! A 1:7 barrel. My first AR was 1:7 20 inch and I questioned the twist when I bought it and sure enough 55 gr were flying through the paper sideways at 100 yards. I had to buy expensive 75 grain match bullets to use it. I was so ****ed about the twist I ended up rebarreling to 1:9 20 inch. </p><p></p><p>If you are going to reload 55 gr bulk bullets can be bought for as low as 8 cents each when you buy by the 1000's once fired brass is also cheap when you buy by 1000. </p><p></p><p><a href="https://www.diamondkbrass.com/.223-5.56-Brass.html" target="_blank">https://www.diamondkbrass.com/.223-5.56-Brass.html</a></p><p></p><p>You can get away with 1:7 in 16 inch barrels because the velocity is so low with 55 gr. You are better off buying 1:8 or 1:9 and going with 20 inch barrels for the free extra velocity</p></blockquote><p></p>
[QUOTE="budlight, post: 1238377, member: 2939"] I hope that you did not buy it! A 1:7 barrel. My first AR was 1:7 20 inch and I questioned the twist when I bought it and sure enough 55 gr were flying through the paper sideways at 100 yards. I had to buy expensive 75 grain match bullets to use it. I was so ****ed about the twist I ended up rebarreling to 1:9 20 inch. If you are going to reload 55 gr bulk bullets can be bought for as low as 8 cents each when you buy by the 1000's once fired brass is also cheap when you buy by 1000. [url]https://www.diamondkbrass.com/.223-5.56-Brass.html[/url] You can get away with 1:7 in 16 inch barrels because the velocity is so low with 55 gr. You are better off buying 1:8 or 1:9 and going with 20 inch barrels for the free extra velocity [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
1:7 twist 5.56 ?
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