Wilson Combat Channel Liner Firing Pin Glock. This Firing Pin manufactured by the experts at Wilson Combat is an OE factory direct replacement that fits all models Gen3 and Gen4 of Glock handguns EXCEPT the 42 and 43. This Wilson Combat Firing Pin Channel Liner is made with incredibly long lasting materials that ensure a long lasting and durable product. For a great way to make sure you are firing one of the best Firing Pins the industry has to offer choose the Wilson Combat Firing Pin Channel Liner. Specifications for Wilson Combat Channel Liner Firing Pin: Manufacturer: Wilson Combat Gun Model: All Glock Gen 1-3 except Glock 42 Glock 43 Package Contents: Wilson Combat Channel Liner Firing Pin What firearm models does the manufacturer say Wilson Combat Channel Liner Firing Pin is compatible with? The manufacturer suggests that Wilson Combat Channel Liner Firing Pin is compatible with All Glock Gen 1-3 except Glock 42 Glock 43Wilson Combat 965: Channel Liner Firing Pin Glock