I finally obtained some AA-2200 powder thanks to the folks at the THREE BEARS store in Kenai. It really makes the 6.8mm into a long shooter.
AA-2200 in 24in BHW barreled AR (Last Sundays test)
Stag AR with 24 inch poly rifled Black Hole Weaponry Barrel
12 power Pentex Scope.
100 yards, rain, 12 knot winds, 42 degree F.
All Loads SSA once fired brass. CCI 450 magnum primers (saving my military primers)
Lee factory Crimp on all loads.
Chronograph at 10 feet from muzzle.
90gr Sierra HP
2.219 in COL
Vel= 3,265 fps and a 0.50 inch group
Dirty necks , semi flat primers
Muzzle Energy 2,130 foot pounds, point blank hunting envelope 285 yards.
95gr Barnes TTSX
Vel= 3,270 fps and a 1.0 inch group
Dirty necks, semi flat primers
Muzzle Energy 2,255 foot pounds, point blank envelope to 303 yards.
Holds 1,000 foot pounds out to 375 yards.
110gr Nosler Accubond
Vel= 3,020 fps and a 1.4 inch group
Dirty case necks
Muzzle Energy , 2,228 foot pounds, point blank hunting envelope to 290 yards
Holds 1,000 ft pounds out to 425 yards.
110gr Barnes TTSX
Vel= 2,990 fps and a 2.0 inch group
dirty case necks
Muzzle Energy 2,184 ft lbs, point blank envelope to 288 yards.
130gr Sierra Soft Point flat base
Vel=2,658 fps and a 1.0 inch group
Muzzle Energy 2,039 ft lbs. Point Blank hunting range of 263 yards
Holds 1,000 foot pounds out to 425 yards.
150gr Speer Soft Point Flat Base
Vel= 2,360 fps and a CLOVERLEAF HOLE
dirty necks, semi-flat primers
Muzzle Energy 1,855 foot pounds, Point Blank hunting range 237 yards
Holds 1,000 ft lbs out to 375 yards