Father in Law dropped off his SL8 and a few varieties of factory match ammo. Didn't test them all but here's what we found on the 4 we did.
PMC X-TAC 77 grain Sierra Open Tip Match.
Advertised at 2790 fps
Max 2424
Min 2390
Avg 2404
ES 34
STD 12.4
5 shot group sub (barely) moa at 200yds
Nosler 62 grain FB Hollow point (Varmageddon)
Advertised 2744 fps
Max 2744
Min 2573
Avg 2657.6
ES 171
STD 62.1
5 shot group 1.28 moa at 200 yds
Hornady Superformance 75 grain BTHP match
Advertised 2920 fps
Max 2812
Min 2737
Avg 2770
ES 75
STD 26.7
5 shot group 1.5 moa at 200 yards
Remington 77 grain Match King
Max 2534
Min 2430
Avg 2506
ES 104
STD 43.7
5 shot group 1.8 moa at 200 yds
So 171 fps was the worst we ran into. Surprised how high the SD numbers were considering the cost. He doesn't reload but this may convince him.
400 to 500 fps variation I would suspect somethings wrong with the guys chrono.
|