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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Building AR for long range
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<blockquote data-quote="762x51" data-source="post: 2174054" data-attributes="member: 94220"><p>there's lots of stuff you can do to make them accurate. the rules are pretty much the same as bolt guns, but bolt guns are little more forgiving since there's less moving parts. you need a solid platform with as little movement in everything as possible. it's tough to with AR's because they're piles of aluminum, metal and plastic held together with a bunch of tiny springs and detents and set screws. </p><p></p><p>i think the most important pieces are the trigger and barrel. i think i'd go 20-24" on the barrel to get as much velocity as possible. buy american parts from quality manufacturers. (BCM, spikes, rock river, daniel, ranier arms, white oak, lots to choose from). i would steer clear of ebay deals lol. </p><p></p><p>i dont think you can do anything to the upper receiver besides lap the face. wheeler makes a tool that costs around $30-40 i think. i have one and i've lapped a few receivers but i've never tested it to see if it does anything. </p><p> </p><p>you want as little slop in the upper/lower receiver as possible. try to find a matched billet set. you can also have a smith tig weld the take down pin holes in the upper and mill them to fit in the lower with as little clearance as possible. then put them together and re-drill the take down pin holes to match the holes in the lower. never had it done, but i've heard of folks doing it on other forums. </p><p></p><p>you can also bed or loctite the barrel extension into the upper. again you want as little slop as possible.</p></blockquote><p></p>
[QUOTE="762x51, post: 2174054, member: 94220"] there's lots of stuff you can do to make them accurate. the rules are pretty much the same as bolt guns, but bolt guns are little more forgiving since there's less moving parts. you need a solid platform with as little movement in everything as possible. it's tough to with AR's because they're piles of aluminum, metal and plastic held together with a bunch of tiny springs and detents and set screws. i think the most important pieces are the trigger and barrel. i think i'd go 20-24" on the barrel to get as much velocity as possible. buy american parts from quality manufacturers. (BCM, spikes, rock river, daniel, ranier arms, white oak, lots to choose from). i would steer clear of ebay deals lol. i dont think you can do anything to the upper receiver besides lap the face. wheeler makes a tool that costs around $30-40 i think. i have one and i've lapped a few receivers but i've never tested it to see if it does anything. you want as little slop in the upper/lower receiver as possible. try to find a matched billet set. you can also have a smith tig weld the take down pin holes in the upper and mill them to fit in the lower with as little clearance as possible. then put them together and re-drill the take down pin holes to match the holes in the lower. never had it done, but i've heard of folks doing it on other forums. you can also bed or loctite the barrel extension into the upper. again you want as little slop as possible. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Building AR for long range
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