09-07-2017, 03:06 AM
LRRPF52 Wrote:Look at the 30 RAR and ask why they were limited to 55ksi SAAMI MAP? Extension lugs aren't as long as an AR10. I suspect the 30 RAR bolt lugs are shorter too. We can ask the forum member with one to caliper his lug lengths.
Did some measuring for you! From top of the lug to bottom it's. 205
Lug width is .176
Comparing it side by side with the Grendel or 5.56 bolts the lug are quite a bit beefier. (Obviously)

