marinegunbuilderNov 271 minAll About the Glock Firing Pin AssemblyMarine Gun Builder covers Glock G19 UPK G17 UPK G20 UPK and G21 UPK firing pin assembly. Glock OEM upper parts kit are being manipulated...
marinegunbuilderNov 271 minGlock OEM Trigger Reset Vs. Fake Knockoff Scam TriggersMarine Gun Builder covers how Glock OEM Trigger’s with relief cuts on the birds beak work with the trigger housing, connector, and Glock...
marinegunbuilderNov 271 minGlock SCAM parts are UNSAFEMarine Gun Builder covers the Glock Parts market and the large counterfeit market on Ebay. Genuine Glock OEM Lower Parts Kit are not as ...
marinegunbuilderNov 271 minThe TRUTH about Polymer 80 P80 Build KitsMarine Gun Builder interview on DLD After Dark, where MGB debunks in 2 minutes the entire false narrative being played out in the media...