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Nick S
03-13-08, 22:43
Chrono w/ PACT Mk IV w/ Skyscreens 10 ft from muzzle
Barrel Was Denny's 16" Recon (WOA) 1x7 w/ MSTN Quiet Comp

REM 55 gr .223 UMC Best I can tell BC of .243
2969.5
2971.7
2934.7
2934.7
2926.1
3020
2964
2981.7
3000.7
2994

AVG: 2969.7

BH 69 gr. SMK 223 Sierra's published BC is .305
2770
2808
2762.4
2789.4
2782.6
2814.9
2768.1
2749.1
276.2
2740.6

AVG: 2775.2

It's actually a little faster than I thought.