Stern Defense SD BU9 Nib ECHOMade with 8620 AISI steel and boasting a NIB Mag phosphate finish, the Stern bolt fits into Mil Spec and Glock pattern upper receivers. It functions with Colt SMG, Glock magazines and it's fully compatible with standard AR15 M16 charging handles. Comes fully assembled with all sub components installed, including firing pin spring retaining pin, extractor, and extractor spring. Also included in bolt assembly is a propriety center and roll pins. Our 9mm

- DLC Bolt Carrier w/ properly staked Gas Key

Bolt Carrier Extension: 2 oz

A great choice for 375 H&H Magnums

add the 1/4" to 4mm Driver Adapter and use this driver set in conjunction with your Wheeler FAT Torque wrench and/or your Fix It Sticks T-Way Wrench for the ultimate in versatility

Offers flexible sling mounting solutions at the 3

This propellant has been shown to be fast

Bigger is not always better

requiring no fine motor skills

The most versatile propellant in the IMR line

Please Note: This buffer tube is not compatible with carbine and rifle buffers

Center Core: 6AL-4V Titanium

Rolled threads