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19 May 2016, 00:09 #1
Griffin Armament PRIMO GAS BLOCK™ .750" 416R CRUCIBLE ALLOY
I love how the Gas Block is pre-drilled for pinning. Great idea.
http://www.griffinarmament.com/PRIMO...oy-p/gapgb.htm
Description
The PRIMO Gas Block™ is a low profile billet machined, .750” ID block, made from nitrided 416R crucible alloy steel. The block has two provisions for mounting, set screws and / or pinning. The included splined pin allows qualified gunsmiths and experienced builders the option of having a military style secured gas block. A 1/8” carbide drill bit and three ton press are recommended for pinning. Knurl grip cup pointed fasteners ensure a secure attachment to host barrel. The PRIMO's pre-drilled hole helps locate the drilling operation on pre-dimpled barrels for fixture free installation.
Features
416R Crucible Alloy Steel
QPQ Nitride finish
.750" gas block diameter compatible
low profile design
included splined pin
Knurl grip - cup pointed fasteners
inlcuded hex key
Included gas tube roll pin
Pre-drilled for ease of barrel pin installation