Contributing

Which way do AR-15 trigger pins go?

Standard

Which way do AR-15 trigger pins go?

The trigger pin has two grooves in it, but it doesn’t matter which way it is inserted. The accepted method is to push it left to right, with the groove on the left side. When installing the spring on the hammer, be sure that the loop in the spring is on the same side as the hammer face.

What is the standard AR-15 trigger pin size?

The most common pin size is . 154″, this is found on most military and civilian rifles. The other size is . 171 which is found in Colt sporting rifles.

What is a hammer pin?

A pin hammer is a very lightweight hammer which is used for very fine work. Pin hammers are commonly used for knocking in small very small nails, panel pins and tacks.

Why are my trigger pins walking out?

The trigger pin walks out because it is not captured by one of the hammer spring legs. This can happen in two ways and yes, it can be fixed. The hammer spring’s legs don’t seat in the slot made for them on either side of the toggle FRAME so they can’t rest in one of the trigger pin’s grooves and retain it.

What’s the difference between small pin and large pin triggers?

Lower Receiver Type – Small pin vs Large pin Lowers The type of receiver will dictate the trigger type. The VAST majority AR-15 receivers are “small pin” receivers (this is mil-spec), but some older Colt AR’s are “large pin” receivers. This refers to the size of the FRONT takedown pin hole.

What size are AR takedown pins?

~.245″ diameter
Typical production AR-15 pins are ~. 245″ diameter and flat on the ends. They operate in . 250 pin holes, and items used to push the pins occasionally slide off and can scratch your lower receiver.

What is trigger pin walking?

What is a large pin trigger?

This is a semi-automatic-only version of Geissele Automatics’s Super Select-Fire trigger. The large pin dimension is 0.169 inches, whereas the standard pin dimension is 0.155 inches.

What is a trigger pin?

n. 1 a small projecting lever that activates the firing mechanism of a firearm. 2 (Machinery) a device that releases a spring-loaded mechanism or a similar arrangement. 3 any event that sets a course of action in motion. vb tr.