Geissele Magazine Well Reaction Block Grey 02-2781. The armorer mounts the lower receiver to a workbench by sliding the Reaction Block into the mag-well then clamping the Block. The Vice Block provides an ultra-stable platform for performing an...
Geissele Magazine Well Reaction Block Grey 02-2781. The armorer mounts the lower receiver to a workbench by sliding the Reaction Block into the mag-well then clamping the Block. The Vice Block provides an ultra-stable platform for performing an...