Blog | Marine Gun Builder

All About the Glock Firing Pin Assembly

Marine Gun Builder covers Glock G19 UPK G17 UPK G20 UPK and G21 UPK firing pin assembly. Glock OEM upper parts kit are being manipulated...

Glock OEM Trigger Reset Vs. Fake Knockoff Scam Triggers

Marine Gun Builder covers how Glock OEM Trigger’s with relief cuts on the birds beak work with the trigger housing, connector, and Glock...

Glock SCAM parts are UNSAFE

Marine Gun Builder covers the Glock Parts market and the large counterfeit market on Ebay. Genuine Glock OEM Lower Parts Kit are not as ...

The TRUTH about Polymer 80 P80 Build Kits

Marine Gun Builder interview on DLD After Dark, where MGB debunks in 2 minutes the entire false narrative being played out in the media...

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