Flier or not, for this rifle and platform, impressive!
Load is:
ZQI/MKE .308 Case (Sized to 1.629 head space, 2" overall length of case)
175gr Sierra MatchKings
42.9gr of IMR 4064
2.800" COAL
Leaves the 22" M1A barrel at a stout 2600 FPS.
Federal Gold Medal Match groups up well too:
What is it:
Springfield Armory M1A Loaded
Troy MCS Chassis
Magpul PRS
Magpul MOE Grips (both)
Harris Bipod on Yankee Hill Picatiny Bipod Mount
Vortex Optics Viper PST 6.5-24x50 First Focal Plane mil/mil
Vortex Tactical Rings
Aukmont 45º offset sights
Sparrowhawk Faux M14 Selector Lockout and connecting rod
Sadlak National Match Spring Guide
Sadlak TiN Coated Gas Piston
Schuester Adjustable Gas Plug
"Custom" gas plug shim to increase dwell time on the gas system
ShootingSight Lightweight M14 Hammer
ShootingSight Adjustable M14 Trigger (pulls at 4.5lbs with zero creep)
Those groups were shot when it was about 40º @ 100 yards. They are 10 shot groups. Prone, from the bipod with a Caldwell rear bag (pictured).