One of my best loads for my Mk12 Clone is 23.9gr of 2520. My chronograph said 2670fps, SD 11 and ES 24, accuracy is astounding for me, .384"@100yds for a 5 shot group. I've loaded many hundreds of rounds of this load and it never fails to make me smile, its boringly accurate, predictable and fun. 2520 has worked for me with a variety of different bullets, weights and guns. The load above also loves my 14.5" Noveske guns, all 3. 27gr of 2520 with Barnes 62gr TSX is a killing machine too. I just bought 4lbs, along with 4lbs of ARComp, 4lbs of 8208xbr,3 lbs of TAC and a pound of CFE223 to try. These and Vihtavuori N530 are my favs for 5.56
Here is the Barnes 62gr load, 3 rounds @100 yards.
And here is a 5 shot group with the 77gr SMK @100 yards
Last edited by BillB; 01-22-20 at 18:22.
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BCM 16" RECCE MK2 DkBrz, Custom Mk12 Mod1 built by Monty LeClair, 16" Middy w/ HCS RECCE barrel, A5, Young NM BCG, SSP, Geissele NM rail, Ops Inc., Super CH. 14.5" middy Noveske Afghan X3, 10.3" pistol DD barrell, Benelli M4, Ruger 10/22 w/Victor stock, GLOCK 17 Gen 4, Dan Wesson Valor Duty Coat, Dan Wesson Valor Blue, Dan Wesson Silverback 10mm, S&W 27 4"
B Co 4th502nd Inf Reg. '86-'90. 11b
B Co 3rd187th InfReg. '90-'94. 11b
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