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+--- Thread: PSA 18" Grendel and 130 gr Sierra TGK (/showthread.php?tid=20902)
PSA 18" Grendel and 130 gr Sierra TGK - usmc0352 - 03-27-2020
27.0 grains of TAC really shoots great in my new upper. I think the barrel is breaking in nicely [ATTACH=CONFIG]15820[/ATTACH]
PSA 18" Grendel and 130 gr Sierra TGK - CJW - 03-27-2020
All of my PSA uppers shoot lights out.
PSA 18" Grendel and 130 gr Sierra TGK - meatsweats - 03-28-2020
Nice group
PSA 18" Grendel and 130 gr Sierra TGK - mv1arms - 03-28-2020
Great group. Assuming that is at 100 yards? I'm still searching for that tight of a group with reloading and much more expensive barrels.
PSA 18" Grendel and 130 gr Sierra TGK - usmc0352 - 03-28-2020
Yes, 100 yards. Thanks guys. Interestingly enough, at 26.5 grains the group was 1.1" at 26.0 it was .777".