Arm or Alley had Toolcraft 6.5 Grendel BCG for around $85 and PSA also had TC 6.5 Grendel BCG for around $99. Primary Arms had a BCA BCG for about $70. You could swap out the BCA bolt and use the Monster 6.5 Grendel Group Buy bolt and keep the BCA for a spare.
Brownell’s BCG for 6.5 Grendel were on sale but they used to use 2.800 inch length bolt which uses a .01 inch shorter firing pin. I brought this to Brownell?s attention but I don’t know if they have changed their bolts. Standard 6.5 Grendel bolts use a length of 2.810 inch length to off set the deeper bolt face depth (.136 6.5 Grendel vs .125 inch 5.56/223) and permits the use of mil spec firing pins.
Brownell’s BCG for 6.5 Grendel were on sale but they used to use 2.800 inch length bolt which uses a .01 inch shorter firing pin. I brought this to Brownell?s attention but I don’t know if they have changed their bolts. Standard 6.5 Grendel bolts use a length of 2.810 inch length to off set the deeper bolt face depth (.136 6.5 Grendel vs .125 inch 5.56/223) and permits the use of mil spec firing pins.