Its taken me years to finally get my hands on one of these monsters, but now I have no idea how it was used on the L1A1 rifle.
GAUGE, INSPECTORS, HEADSPACE, 7.62 MM RIFLE M.L.
SM 104A
5220-99-960-6621
Has anyone use one of these and if so, how was it used... am I missing a part? or does it work with standard headspace gauges? Anyone have a EMER reference for its use?
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