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Originally Posted by Archangel
I don't believe that the 20" has any more power than the 16" and if there is, it's negligible. However, the 20" will give you more accuracy for further distances. I would recommend that you go with a flat-top on either one. Bushmaster is my preference.
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Archangel, you are incorrect.
The 20" barrel adds about 50 meters to the effective terminal ballistics range (2700 fps threshold) of either the M193 or M855 ammo. While that does not sound like much, it is actually about 25-35% difference, as it extends it 95 meters to 150 meters with the M855, and from 150 to 200 meters with the M193.
The barrel length is irrelevant to accuracy. The sight radius MIGHT be, if you are shooting irons. If you have a flattop, you should be shooting optics.
The only other effect of the 20" is that the increased velocity of the longer barrel will help it shoot flatter at longer ranges.
What is the basis for comparison to recommend the BM over anything else?
TR
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De Oppresso Liber 01/20/2025
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