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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
300 BO, 6.5 G, or 6 ARC?
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<blockquote data-quote="azsugarbear" data-source="post: 2752097" data-attributes="member: 4809"><p>300 BO is a great cartridge, but you need to understand what it can and cannot do. It was initially designed for suppressed rifles in CQB - Special Force guys clearing rooms & urban warfare. Yes it can be used at longer distances, but too many shooters/hunters load or use regular, heavy 30 cal. rifle bullets with supersonic loads and expect great results. These bullets never get going fast enough to open up. Only the very light 110-120 gr. bullets do well in the 300 BO at supersonic speeds in the 1,800 to 2,100 range. The answer is to buy the premium, heavy bullets that are made for subsonic speeds such as those from Lehigh Defense, Maker, Outlaw State, and a few others I cannot think of right now. They run 190 to 225 grains in weight, but are designed to open up at much slower velocities (think 800 to 1,300 fps). The reloader can still get them supersonic (if desired). People need to think of the 300 BO more as a 44 magnum with better down-range ballistics. Recoil is very light in an AR platform and delivers great energy on target.</p><p></p><p>I have no personal experience with the two cartridges mentioned, but I suspect they may fit the bill as well. I would not even consider brass availability in the decision to buy. It seems as if brass is currently available for all three right now on a limited basis - which is all you need to get started. Component shortages will not last and seems to be getting better every month. The rifle/upper you will have for a very long time.</p></blockquote><p></p>
[QUOTE="azsugarbear, post: 2752097, member: 4809"] 300 BO is a great cartridge, but you need to understand what it can and cannot do. It was initially designed for suppressed rifles in CQB - Special Force guys clearing rooms & urban warfare. Yes it can be used at longer distances, but too many shooters/hunters load or use regular, heavy 30 cal. rifle bullets with supersonic loads and expect great results. These bullets never get going fast enough to open up. Only the very light 110-120 gr. bullets do well in the 300 BO at supersonic speeds in the 1,800 to 2,100 range. The answer is to buy the premium, heavy bullets that are made for subsonic speeds such as those from Lehigh Defense, Maker, Outlaw State, and a few others I cannot think of right now. They run 190 to 225 grains in weight, but are designed to open up at much slower velocities (think 800 to 1,300 fps). The reloader can still get them supersonic (if desired). People need to think of the 300 BO more as a 44 magnum with better down-range ballistics. Recoil is very light in an AR platform and delivers great energy on target. I have no personal experience with the two cartridges mentioned, but I suspect they may fit the bill as well. I would not even consider brass availability in the decision to buy. It seems as if brass is currently available for all three right now on a limited basis - which is all you need to get started. Component shortages will not last and seems to be getting better every month. The rifle/upper you will have for a very long time. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
300 BO, 6.5 G, or 6 ARC?
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