Switchcraft Armory.

Glock Auto-Sear Selection Criteria

The Glock platform requires specific metallurgical properties for reliable full-auto function. You're looking for 4140 or 17-4PH stainless steel heat-treated to 45-50 HRC. Anything softer wears out within 500 rounds; anything harder becomes brittle and risks catastrophic failure. Our auto-sears undergo magnetic particle inspection before shipping - if it passes our bench, it'll run in your frame.

Three primary considerations when selecting:

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• Generation compatibility: Gen 3 sears work in all frames but require specific disconnector engagement
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• Rate reducer compatibility: Some sears require proprietary rate reducers for optimal cyclic rate
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• Installation method: Drop-in versus gunsmith-fit determines your required skill level
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Conversion Kit Technical Specifications

Full-auto Glock conversions fall into two categories: frame-mounted sear systems and slide-mounted rate reducers. Frame systems provide more reliable hammer engagement but require permanent frame modification. Slide systems maintain stock appearance but increase slide mass and alter timing.

You'll need to match your conversion to:

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• Glock model (17/19/26 require different sear geometry than 21/30 patterns)
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• Intended ammunition (115gr vs 124gr changes cyclic rate requirements)
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• Magazine type (OEM mags function best; aftermarket may require feed lip adjustment)
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Practical Application Scenarios

Select the Raptor system for competition use where rapid magazine changes are critical - its ambidextrous sear release allows faster clearing of malfunctions. The Viper system suits tactical applications where reliability under adverse conditions takes priority over speed of maintenance.

Benchmark testing shows:

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• Raptor: 1200 RPM cyclic rate, 0.7 second magazine dump (17-round OEM)
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• Viper: 900 RPM cyclic rate, 95% reliability with steel-case ammunition
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• Python: 750 RPM with integrated rate reducer, compatible with suppressed operation
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Free shipping applies to orders over $99. We accept cryptocurrency payments through BitPay for discrete transactions.

Technical specifications for all systems follow.