Solved: New Grendel build will not lock bolt back
#7
Use US Grade 8 fasteners torqued to 55inch-pounds.

Colt Armorer/Depot Maintenance and Repair Manual, No. CM102 dated 1991, specifies Permatex #3D Aviation form-a-gasket as a sealing compound for the carrier key.

[Image: ?u=http%3A%2F%2Fwww.2040-parts.com%2F_co...f=1&nofb=1]

[video=youtube_share;J_ObvWjV250]https://youtu.be/J_ObvWjV250[/video]
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
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Solved: New Grendel build will not lock bolt back - by LRRPF52 - 12-03-2020, 05:54 PM

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