SecondAmend
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- Apr 3, 2007
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M16 – Dedicated Upper .22LR ROF Comparisons [all using same bolt/recoil & frame assembly), sear trip, and D.I.Y. Anti-Bounce Weight (~1.1 oz.) swapped between uppers]. Prior to ROF tests, each barrel had ten or more rounds fired to season the barrel. Ten rounds per run:
With 9 in. bbl. w. thread protector - CCI MiniMag: 1179, CCI AR-Tactical: 1197; Fed. 36 gr.: 1118; CCI SV: 1054;
With 4.5 in. bbl. w. Griffin Armament CAM-LOK QD attachment and an A1 FH - CCI MiniMag: 1075, CCI AR-Tactical: 1086; Fed. 36 gr.: 1069; CCI SV: 954; Armscor 36 gr.: 969; Rem T’Bolt 36 gr.: 1069
MHO, YMMV, etc. Be well.
With 9 in. bbl. w. thread protector - CCI MiniMag: 1179, CCI AR-Tactical: 1197; Fed. 36 gr.: 1118; CCI SV: 1054;
With 4.5 in. bbl. w. Griffin Armament CAM-LOK QD attachment and an A1 FH - CCI MiniMag: 1075, CCI AR-Tactical: 1086; Fed. 36 gr.: 1069; CCI SV: 954; Armscor 36 gr.: 969; Rem T’Bolt 36 gr.: 1069
MHO, YMMV, etc. Be well.