The Firing Line Forums - View Single Post

Skans · November 11, 2012, 11:22 AM

The piece of hardened steel inserted into the rear of the Colt AR's with a blind pin is referred to as a "sear block".

November 11, 2012, 11:22 AM	#6
Skans Senior Member Join Date: November 20, 2008 Posts: 11,132	The piece of hardened steel inserted into the rear of the Colt AR's with a blind pin is referred to as a "sear block".