These anti-walk trigger pins prevent trigger mishaps and improve mechanical reliability. The threaded screws "lock" the pins into the receiver, and prevent uneven wear that can lead to premature breakage.

Features and Specifications:
Manufacturer Number: 11-0107
Standard size .156
For M&P 15-22

Includes:
2 Threaded Pins
4 Screws
2 Allen Wrenches