joseph floerke Well-Known Member Joined Dec 9, 2012 Messages 323 Location Taft tx Feb 26, 2013 #15 this powder is very climate stable, and performs very well.
S stacy Well-Known Member Joined Feb 27, 2011 Messages 303 Location N.C Aug 19, 2013 #16 I have a HOWA 1500 varmint sep HB SS that thing loves IMR 8280 52gr bthp serrias at 3750 and .190th's groupsgun)
I have a HOWA 1500 varmint sep HB SS that thing loves IMR 8280 52gr bthp serrias at 3750 and .190th's groupsgun)
A Alan Griffith Well-Known Member Joined Aug 22, 2005 Messages 644 Location Mouth of Hobble Crk Canyon, Utah Aug 19, 2013 #17 I'm now using IMR 8208 in Sword Mk 15 AR15 with 16" 1:8 Walther barrel with 77 SMK's. Getting 2610 fps and 11 SD "dropping" 24.1 gr from my Harrell's BR meter. Accuracy is sub 3/4 moa. Alan
I'm now using IMR 8208 in Sword Mk 15 AR15 with 16" 1:8 Walther barrel with 77 SMK's. Getting 2610 fps and 11 SD "dropping" 24.1 gr from my Harrell's BR meter. Accuracy is sub 3/4 moa. Alan