Here is my new build. Going to try XBR/100grn TTSX for initial load development.
Jakal 6.5Grendel pistol.jpg
Called Barnes about minimum opening velocity for the TTSX. They stated around 2000 fps. The 458 caliber TTSX opens down to 1100 fps.
Would there be a better bullet to use that opens at a lower speed?
Ballistics shows about 240 yard max before dropping below 2000 fps.
6.5 Grendel pistol
Lilja 12.875" barrel*
carbine gas 1:8 right twist
Spikes Jack billet lower
Seekins billet upper
Seekins NOXs 9" rail
BCM Mod4 ambi latch
NiB BCG
Geissele SSAE trigger
Thordsen Customs cheek assist
Burris Fastfire III
Jakal 6.5Grendel pistol.jpg
Called Barnes about minimum opening velocity for the TTSX. They stated around 2000 fps. The 458 caliber TTSX opens down to 1100 fps.
Would there be a better bullet to use that opens at a lower speed?
Ballistics shows about 240 yard max before dropping below 2000 fps.
6.5 Grendel pistol
Lilja 12.875" barrel*
carbine gas 1:8 right twist
Spikes Jack billet lower
Seekins billet upper
Seekins NOXs 9" rail
BCM Mod4 ambi latch
NiB BCG
Geissele SSAE trigger
Thordsen Customs cheek assist
Burris Fastfire III
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