MSR Parts Kits

The Geissele Super Duty Lower Parts Kit includes all the internal parts necessary to complete or rebuild your lower receiver. All key components on this kit are manufactured in-house at our facility in North Wales, PA. Made from proprietary Geissele...

Includes: Qty 1 - Bolt Catch Qty 2 - Bolt Catch & Pivot Pin Clip Qty 1 - Balt Catch Pin Qty 2 - Hammer / Trigger Pin Qty 1 - Bolt Catch / Safety Spring Qty 1 - Safety Qty 1 - Pivot Pin Qty 1 - Bolt Cam Pin Qty 1 - Firing Pin Retainer Pin Qty 1 - Firing...

Lower Parts Kit for the Stag 15. Kit Contains AR15 Bolt Catch Bolt Catch Spring Bolt Catch Buffer Bolt Catch Roll Pin Magazine Catch Body Magazine Catch Spring Magazine Catch Button Safety Selector Spring Safety Selector Detent Buffer Retainer Buffer...