Some data to add.
22" bbl .140 Freebore
Lapua Brass
BR2 Primers
RL26 @ 55gr
127LRX @ 2.280 BTO
Avg Velocity = 3120fps
ES - 30fps
SD - 9fps
100yd group - 0.431"
I tried 4 diff primers:
GM215M
WLRP*
CCI200
BR2**
*Best groups were with WLRP and BR2 (BR2 performed best)
**Best ES & SD - BR2
No pressure signs.
Last edited by DDRH65PRC; 05/18/22.