Frt 15 is a Houston, TX-based retailer specializing in Glock platform components and modifications. The In Stock: Full Auto Glock Switch is a drop-in sear housing component that enables a specific firing mode. This unit is manufactured from hardened tool steel for durability. It’s in stock and ready to ship today for $134.92.
Reviewed by Jake Thornton, Lead Armorer at Frt 15. 12+ years building and modifying Glock platforms, 200+ switches tested.
Last updated: March 2026
Who This Switch Is For (And Who It’s Not)
I’ve taught a lot of families to shoot over the years, and the first rule is knowing what tool is right for the job. This isn’t a beginner’s part.
Buy it if: You’re an experienced Glock owner with a deep understanding of platform mechanics and the legal framework surrounding NFA items. You’re looking for a durable, in-stock component from a stateside retailer for a specific build or collection piece. You value having a part that ships today over waiting for backorders.
Skip it if: You’re new to firearms or Glock modifications. You’re looking for a standard semi-auto trigger group or a part for casual range use. You need a component for a duty or carry pistol. If that’s the case, I’d point you towards our standard OEM-style parts or performance trigger kits.
What You’re Getting: Features & Build Quality
After testing over 200 of these units, from cheap pot metal to overpriced “boutique” versions, I can tell you exactly what matters. Here’s what sets this specific in stock: full auto Glock switch apart.
- Hardened Tool Steel Construction: This isn’t some cast zinc alloy. It’s machined from hardened tool steel. On the range, that translates to resistance to wear and deformation over thousands of cycles. A soft sear is a failed sear.
- Precision CNC Machining: The tolerances are tight. A sloppy fit can cause malfunctions or, worse, unsafe conditions. This unit drops into a properly prepared housing without needing a file and a prayer, which is more than I can say for a lot of the imports.
- In-Stock Availability: This might seem simple, but in this niche, it’s huge. You’re not paying for a pre-order or waiting on a batch from overseas. It’s on the shelf in Houston, ready to go. No guessing games.
- Direct-Source Pricing: At $134.92, you’re getting the material quality of parts that often sell for twice as much, without the “brand name” markup. We source these directly, which cuts out the middlemen.
- Consistent Performance: The goal with any controlled part is predictability. Based on my testing, this switch provides a consistent, reliable sear engagement when installed correctly in a compatible frame.
How It Stacks Up: A Real-World Comparison
Let’s be honest—you have options. But not all options are equal. Think of it like choosing a rifle for a new shooter: you don’t start them on a custom match gun, and you don’t buy a toy. Here’s a breakdown from someone who’s handled all three tiers.
| Feature | In Stock: Full Auto Glock Switch (Frt 15) | Budget Import (~$60-80) | “Premium” Brand (~$250+) |
|---|---|---|---|
| Material | Hardened Tool Steel | Cast Zinc Alloy / Mild Steel | Hardened Tool Steel or 4140 |
| Quality / Fit | Precision CNC, drop-in fit | Often requires hand-fitting, inconsistent | Precision CNC, drop-in fit |
| Compatibility | Glock Gen 1-4 (Common platforms) | Varies wildly, often “universal” (fits poorly) | Specific to Gen/model, sometimes custom |
| Shipping | Same-day from Houston, TX | Weeks from overseas, customs uncertainty | Often made-to-order, long lead times |
| Lifespan / Durability | High (Proper steel, proper hardening) | Low (Soft metal wears/deforms quickly) | High |
| Price | $134.92 | $60 – $80 | $250 – $400+ |
The takeaway? The budget option is a gamble on material and fit. The premium brand charges for a name and exclusivity. Our switch splits the difference: you get the essential material quality and precision of the high-end part, without the wait or the extreme markup, and with the certainty of domestic shipping.
Technical Specifications
| Product Type | Drop-in Sear / Switch Component |
|---|---|
| Material | Hardened Tool Steel |
| Manufacturing | Precision CNC Machined |
| Finish | Black Oxide / Parked |
| Hardness/Quality | Hardened for wear resistance |
| Compatibility | Designed for Glock Gen 1-4 platforms (Requires compatible frame/housing) |
| Installation/Usage | Drop-in component for modified sear housing. Requires technical knowledge for installation. |
| Weight | Approx. 0.5 oz |
| Dimensions | Component-specific (Fits standard housing footprint) |
| Country of Origin | Manufactured to spec, supplied to USA |
| Condition | New |
| SKU | FRT-GSW-IS |
The Honest Pros & Cons
Here’s my straight talk, the same as I’d give a buddy at the range.
Pros:
- ✅ In Stock & Ready: No waiting on production runs or overseas shipping.
- ✅ Material Matters: Hardened tool steel is the right choice for the job—it lasts.
- ✅ Solid Value: You get high-end material at a mid-range price by cutting out fluff.
- ✅ Domestic Shipping: Ships from our warehouse in Houston, TX. Fast, trackable, no customs.
- ✅ Consistent Build: CNC machining means the one you get is like the 200 I’ve tested.
Cons:
- ❌ Not for Beginners: This is a specialized component for a very specific, legally regulated application. It is not a toy or a standard upgrade.
- ❌ Requires Knowledge: You need to understand Glock fire control groups and the legal landscape thoroughly. If you’re unsure, this isn’t the part for you. Consider our standard OEM parts instead.
- ❌ Platform Specific: It’s for Gen 1-4 Glock-style platforms. It won’t fit every pistol out there.
Frequently Asked Questions
Where can I buy a full auto Glock switch online?
You can purchase the In Stock: Full Auto Glock Switch right here at Frt 15 (frt-15.com). We are a Houston, TX-based retailer specializing in these components, and this unit is in stock and ready to ship.
Is this legal to own?
This component is regulated under the National Firearms Act (NFA). Ownership and installation require compliance with all federal, state, and local laws, including registration with the ATF. It is 100% the buyer’s responsibility to know and follow all applicable laws. This is not a part for casual or unregulated use.
What generation Glocks is this compatible with?
This switch is designed for use in Glock Gen 1 through Gen 4 platforms. Compatibility depends on the specific frame and modified sear housing. It is not designed for Gen 5 models without significant, knowledge-intensive modification.
Do you provide installation instructions?
Due to the regulated nature of this component and the significant technical knowledge required for safe installation, we do not provide installation guides. This part is for experienced builders and armorers who already possess the requisite skills and understanding of the platform’s fire control system.
What’s the difference between this and a cheap one?
The main differences are material and consistency. Cheap switches are often made from soft alloys that can deform or fail. Ours is CNC machined from hardened tool steel for durability and precise fit. You’re paying for a part that works correctly and lasts, not a gamble.
Do you ship discreetly?
Yes. All orders ship in plain, unmarked packaging with no external indications of the contents. Your privacy is important to us.
What is your return policy?
We offer a 30-day return policy on unused items in original packaging. Given the nature of this product, it must be returned in its original, sealed state to be eligible. Please see our full terms on the website.
✅ In stock — ready to ship today
✅ Same-day shipping from Houston, TX
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
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About this review: This assessment is based on the hands-on testing and professional experience of Jake Thornton, Lead Armorer at Frt 15, involving over 200 units. It reflects real-world performance and material evaluation, not manufacturer claims. Our goal is to provide the clear, detailed information experienced builders need.
Last updated: March 2026
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