12-23-2019, 04:14 AM
Longest I have run in my 527 Grendel were with 130gr Berger AR Hybrid at 2.285 and they ran fine from it.
The 129gr LRAB I am running with CFE 223 and 2.27 IIRC and 30.6gr CFE 223 Standard not mag primers.
The 129gr LRAB I am running with CFE 223 and 2.27 IIRC and 30.6gr CFE 223 Standard not mag primers.

