Anarchy Outdoors AR-15 Enhanced Titanium Firing Pin Titanium TI-AR-15. 62x39 build it will fire the round without piercing the primer on any caliber or primer. Specifications for Anarchy Outdoors AR-15 Enhanced Titanium Firing Pin: Manufacturer: Anarchy Outdoors Color: Titanium Fabric/Material: Titanium Gun Model: AR-15 Gun Type: Rifle Condition: New Width: 0.375 in Height: 0.375 in Length: 3.25 in Features of Anarchy AR-15 Enhanced Titanium Firing Pin Dimensions: 3.25" x 3/8" x 3/8" Package Contents: Anarchy Outdoors AR-15 Enhanced Titanium Firing Pin What firearm models does the manufacturer say Anarchy Outdoors AR-15 Enhanced Titanium Firing Pin is compatible with? The manufacturer says that Anarchy Outdoors AR-15 Enhanced Titanium Firing Pin is compatible with AR-15Anarchy TI-AR-15: Titanium AR-15 Enhanced Firing Pin Titanium