Glad this was bumped. I mounted my Trijicon 1-8 on my 6.5C deer rifle yesterday using the cube. My vice is a clamp on and is a bit canted so the zero...
HK messed up when they went away from the FCG and plate system of the USP and built the p2000. Though I seem to remember the new system being smaller...
I picked up a BCM BFH ELW middy the other day and got it in yesterday. slapped it on the lone BCM lower I had sitting around in a box for the last 3...
That won't effect headspace. But, it's how you have to use them if you cut the shims (which you have to to get around the indexing pin). They cannot...