The Geissele Trigger Fitting Pin (part no. 02-313) is the small pin used to install a Geissele trigger group into an AR-platform lower receiver. Geissele Automatics sells it individually as a service spare, so a lost or damaged pin doesn’t force you to buy a full trigger kit again.

Key Specifications

• Sized to fit and install a Geissele trigger group into an AR-platform lower receiver.
• Sold individually, as a single service spare rather than part of a larger kit.
• Measures about 4.1 inches long.

Frequently Asked Questions

What is this pin used for? Installing or fitting a Geissele trigger group into an AR-platform lower receiver.

Does this come as part of a full trigger kit? No, it’s sold individually as a single replacement or service spare.

Buy the Geissele Trigger Fitting Pin

Order this trigger fitting pin from Geissele Automatics. Ships fast from a Lubbock, TX gun shop. Browse our full gunsmithing tools selection for more trigger-install parts.