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WTB: DPMS RFLR 3G1 (.308) and/or RFA3 3G1 (.223) Complete or upper/lower assembly. End goal: Somewhat inexpensive rifle with 18" barrel, comp, flat top, jp trigger. The 3G1 has all of the parts I want at a reasonable price...just have to find one.

HK USP 45 Accurate and reliable.

I'm glad to see this thread and the .45 thread. I have a 9mm Oly upper on a DPMS lower. It uses a Kurts Kustom Firearms magwell block and Sten mags. I've only got a few hundred rounds through it, but I love it.

Thanks. I kinda figured 2 gr wouldn't matter much...just hate to buy bulk and then regret.

Sorry for non AR post, but I figured many on here would know the answer. Looking at getting Tula 122 or 124 gr FMJ. (bulk ammo for AK using factory iron sights) Question is, how much difference will 2 gr make in bullet flight? In other words, if I dial in the iron sights using 124 grain, how far off would 122 grain hit? 1/2" +/- at 100 yds. or more like 6" +/- at 100yds?