When building a Glock-style handgun, the generation around which you build is important--so much so that Lone Wolf Distributors figured out a way to make a frame that bridged two popular generations.
Been thinking about upgrading the trigger on your Gen3 or Gen4 Glock? Check out the Action Enhancement Trigger Kit from Apex Tactical.
Think you need access to a milling machine to build a custom 1911? Guess again.
Secure Firearm Products' Firearm Pin Stop Tool is more than a run-of-the-mill 1911 bushing wrench.