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<blockquote data-quote="JR777" data-source="post: 3969915" data-attributes="member: 45725">Depends on the bullet weight, but assuming a 40 grain bullet, a sub would be ballistically identical, virtually speaking, to a 22lr. Actually a bit weaker, assuming we&#039;re talking about rifles. It would be about equivalent to a .22 from a revolver. 223 subs are going to be in the 80gr range though, so they would pack quite a bit more punch.Disclaimer though, don&#039;t ever shoot 223 subs. Many have tried, and all have failed. The cases are too big, and even with the bigger bullets and bulky powders it&#039;s just too much dead space. Every attempt at making 223 subs has ended in squibs. Luckily as far as I know everybody felt the lack of recoil and checked the barrel before firing another shot, preventing a kaboom. Squibs are fun and games in something low pressure like a 45, but they can do serious damage in a small bore high energy rifle caliber like 223.</blockquote>

[QUOTE="JR777, post: 3969915, member: 45725"] Depends on the bullet weight, but assuming a 40 grain bullet, a sub would be ballistically identical, virtually speaking, to a 22lr. Actually a bit weaker, assuming we're talking about rifles. It would be about equivalent to a .22 from a revolver. 223 subs are going to be in the 80gr range though, so they would pack quite a bit more punch. Disclaimer though, don't ever shoot 223 subs. Many have tried, and all have failed. The cases are too big, and even with the bigger bullets and bulky powders it's just too much dead space. Every attempt at making 223 subs has ended in squibs. Luckily as far as I know everybody felt the lack of recoil and checked the barrel before firing another shot, preventing a kaboom. Squibs are fun and games in something low pressure like a 45, but they can do serious damage in a small bore high energy rifle caliber like 223. [/QUOTE]

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