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Posted: 9/28/2021 8:58:29 PM EDT
Using Dillon's USPSA Power Factor Calculator, the standard ball round from the old Czech VZ-52 carbine comes in at 327.5;  131 grain pill at 2500 fps.  And it fits into a AR magazine!  I think I'll try it out at our next local competition!  Using my ancient VZ-52....  If all goes well, I may just build up an upper with that cartridge.
Link Posted: 9/28/2021 9:10:13 PM EDT
[#1]
I think wilson combat developed a 7.62x45 cartridge. You might want to czech it out.
Link Posted: 10/2/2021 6:16:19 AM EDT
[#2]
I wouldn't even worry about power factor if you just want to shoot the rifle for fun.
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