Wilson Combat

Wilson Combat Anti-Walk Trigger Pins.154 Diameter Fits AR Platforms Black TR-AWP-BAnti-Walk locking pins replace your AR trigger and hammer pins to ensure pins do not rotate or vibrate loose out of the receiver. This is a popular inexpensive and drop-in enhancement for tactical hard-use guns and full auto firearms. These pins are compatible with a standard USGI style AR style lower receiver with standard GI trigger pins of.154 diameter regardless of caliber including 7.62/.308 length AR receivers.