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Rock River Arms AR Varmint 223 Rem/556 NATO 20 Inch Barrel 1/9 Twist Free Float Handguard Upper
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I bought this upper last year and tried different types of 55-77 grain factory and some hand loads through it. With most mill spec stuff under an inch @100 y. Good federal/ win 55 g about 3/4 in. Factory black hills 77 match 5/8 in. My 50g v max hand loads are consistent at or under 1/2 in groups. Some in the .2’s.for 5 shots@100.This is the most accurate upper in own. Would buy again without hesitation.
Pros:
- Shoots bug holes
Cons:
- Expensive
Best Used for:
- Target,long range,hunting.
Would recommend: Yes