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Glock Double Fire: The Connector Problem and the Safe Fix

Posted by 3CR Tactical on 27th Jun 2026

Glock Double Fire: The Connector Problem and the Safe Fix
You press the trigger once and the Glock fires twice. Sometimes it's a fast "burp" of two rounds; sometimes the gun fires as you let the trigger out. This is called doubling (or hammer/striker follow), and on a Glock it almost always traces back to the fire-control geometry — most often a connector with the wrong angle or a trigger bar that isn't resetting. It is a malfu …
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Glock Gen 6 Compatibility: What Carries Over From Gen 3, 4, and 5

Posted by 3CR Tactical on 27th Jun 2026

Glock Gen 6 Compatibility: What Carries Over From Gen 3, 4, and 5
Glock's sixth generation is here. GLOCK announced Gen 6 in December 2025 and the pistols hit retail in January 2026, launching at SHOT Show in the G17, G19, and G45 — all 9mm. If you've built or bought parts for earlier Glocks, the first question is the practical one: does any of my Gen 3, 4, or 5 gear work on a Gen 6? The short answer — magazines, holsters, and ir …
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Glock 19 Gen 3 vs Gen 4 vs Gen 5 Slide Compatibility

Posted by 3CR Tactical on 20th Jun 2026

Glock 19 Gen 3 vs Gen 4 vs Gen 5 Slide Compatibility
Buyers ask this exact question before every aftermarket Glock 19 slide purchase: Gen 3, Gen 4, or Gen 5 — what actually fits? The short answer is that Gen 3 slides fit Gen 1 through Gen 3 frames, Gen 4 slides fit Gen 4 frames, Gen 5 slides fit Gen 5 frames, and cross-generation swaps are possible but require the matching recoil spring assembly and sometimes a striker swap …
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