11-05-2015, 06:02 PM
You can get barrel extensions from Brownell's. http://www.brownells.com/items/ar-15-bar...nsion.aspx
There are several sources for bolts. AA, Underground Tactical, and JP come to mind.
Trying to ID chamberings with types adds confusion. If you just indicate the bolt face depth, then we know exactly what you're talking about.
The 6.5 Grendel uses a .136" bolt face depth, with a longer bolt tail to set up firing pin protrusion correctly.
I would lean away from Nickel Boron extensions, especially if you want to be able to customize the fit of the bolt with truing the face, removing the sharp edges that cause brass shaving, etc.
NiB extensions should really be matched with NiB bolts.
There are several sources for bolts. AA, Underground Tactical, and JP come to mind.
Trying to ID chamberings with types adds confusion. If you just indicate the bolt face depth, then we know exactly what you're talking about.
The 6.5 Grendel uses a .136" bolt face depth, with a longer bolt tail to set up firing pin protrusion correctly.
I would lean away from Nickel Boron extensions, especially if you want to be able to customize the fit of the bolt with truing the face, removing the sharp edges that cause brass shaving, etc.
NiB extensions should really be matched with NiB bolts.
NRA Basic, Pistol, Rifle, Shotgun, RSO
CCW, CQM, DM, Long Range Rifle Instructor
6.5 Grendel Reloading Handbooks & chamber brushes can be found here:
www.AR15buildbox.com
CCW, CQM, DM, Long Range Rifle Instructor
6.5 Grendel Reloading Handbooks & chamber brushes can be found here:
www.AR15buildbox.com