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jcj54 · October 28, 2022, 04:58 PM

From your picture, it appears that if you loosen the lock ring 1/2 a turn and put the plug in you will be in the right place. The upper handguard should move slightly forward and back when gas cylinder is tight.

October 28, 2022, 04:58 PM	#10
jcj54 Senior Member Join Date: February 28, 2011 Posts: 219	M1 cycling From your picture, it appears that if you loosen the lock ring 1/2 a turn and put the plug in you will be in the right place. The upper handguard should move slightly forward and back when gas cylinder is tight.