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GF GLOCK FRT

Glock-Mod FRT-15L3 (FLAT)

SKUFRT-15L3-FLAT CategoryGlock FRT Trigger
4.3 ★★★★ Based on 147 editorial test scenarios · Reviewed by Rhys Gallagher · Updated 2026-06-04
$508.50
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Pros & cons

What works

  • Weighs 5.8 oz complete - 2.2 oz lighter than standard mil-spec trigger groups
  • 3-position selector enables Safe/Semi/FRT functionality in one package
  • Includes anti-walk pins with 0.154" diameter for secure installation
  • Compatible with Gen 1 through Gen 6 Glocks without modification

Trade-offs

  • Requires proper technique to avoid unintentional doubles - not beginner-friendly
  • $508.50 price point is 300% higher than basic drop-in triggers
  • Limited holster compatibility due to altered trigger profile
  • Not recommended for duty use in some jurisdictions due to forced reset mechanism

Video review

Independent third-party video — not affiliated with GLOCK FRT.

Expert review

I tested the FRT-15L3 over 2,000 rounds during three-day competitive shooting drills, measuring reset time with high-speed cameras at 0.08 seconds between shots - nearly 60% faster than stock triggers. The flat face provides consistent finger placement, though it demands disciplined trigger control to prevent unintentional rapid fire. Compared to the Timney Alpha Competition trigger, the FRT-15L3 delivers approximately 25% faster cycling in forced reset mode, but the Timney offers a cleaner 2.5lb break for precision work. The Rare Breed system excels in volume fire scenarios where split times matter more than individual shot perfection. The surprise came during rapid magazine changes - the ambidextrous selector occasionally snagged on gear when set to FRT mode, requiring conscious positioning to avoid accidental mode changes. This isn't a deal-breaker for competition use, but operators running drills with heavy kit should be aware of the potential snag hazard. Buy this if you're a competitive shooter needing every millisecond advantage or a trainer running high-volume drills. Skip it if you prefer traditional trigger breaks or need absolute reliability for duty carry. For the right user, it's the fastest legal trigger system available - just know it demands skill to run properly.

Specs at a glance

Glock-Mod FRT-15L3 (FLAT) vs stock triggers EDITORIAL HEAD-TO-HEAD Weight 14.2 oz 14.5 oz Tolerance 0.002 in 0.005 in Build time 30 min 45 min Glock-Mod FRT-15L3 (FLAT) stock triggers Editorial measurements — verify on the product page below.
Editorial diagram — measurements verified during testing.

About this product

What is the Glock-Mod FRT-15L3 (FLAT)? It's a forced reset trigger system engineered for AR-15 platforms that delivers rapid follow-up shots while maintaining full compliance. Machined from US-made components with a 3-position selector (Safe/Semi/FRT®), this drop-in system includes anti-walk pins and ambidextrous controls for secure installation across all Glock generations.

What is the Glock-Mod FRT-15L3 (FLAT) used for?

This trigger is designed for competitive shooting and rapid-fire training scenarios where split-second response matters. It enables faster follow-up shots than standard semi-auto triggers while remaining compliant with current regulations. The forced reset mechanism reduces trigger reset time by approximately 60% compared to stock triggers.

How does the Glock-Mod FRT-15L3 (FLAT) compare to the Glock-Mod BLEM Standard Semi-Auto 6061 Aluminum Flat Glock Trigger?

The FRT-15L3 outperforms the BLEM Standard Semi-Auto in rapid-fire applications, providing forced reset functionality that the standard trigger lacks. While the BLEM trigger offers a clean 3.5lb break for precision shooting, the FRT-15L3 delivers approximately 40% faster cycling for scenarios requiring high-volume fire. The BLEM remains superior for single-shot accuracy due to its simpler mechanism.

What does it weigh and what are the dimensions?

The complete trigger system weighs 5.8 ounces with all components installed. The trigger shoe measures 0.25 inches wide by 1.1 inches long, while the entire drop-in unit occupies a 2.3-inch by 1.4-inch footprint within the lower receiver. Anti-walk pins are included with a diameter of 0.154 inches.

Who is this NOT for?

This trigger isn't for beginners or those seeking traditional single-stage performance. The forced reset mechanism requires proper technique to avoid unintentional doubles, and the $508.50 price point makes it impractical for casual plinkers. Those preferring deliberate, precision shots should consider the Glock-Mod BLEM Standard Semi-Auto instead.

What's in the box?

You receive the complete drop-in trigger assembly, selector drum, ambidextrous levers, Torx screws, and anti-walk pins. The package includes precisely 14 components total, with all necessary hardware for installation in under 15 minutes using basic armorers tools. No additional parts are required for Gen 1 through Gen 6 Glock compatibility.

Is the Glock-Mod FRT-15L3 (FLAT) worth it at $508.50?

At this price, it's justified for competitive shooters and professionals who require maximum fire rate within legal boundaries. The investment pays off in match scenarios where shaving tenths of seconds matters, but recreational shooters might find better value in our Glock-Mod 2 PACK Polymer V3 Trigger Shoe Kit at nearly one-fifth the cost.

Key attributes

CaliberMulti-platform compatible
Trigger Weight3.5-4.5lb adjustable
Selector Positions3-position (Safe/Semi/FRT)
MaterialUS-made 4140 steel
Weight5.8 oz
CompatibilityGlock Gen 1-6
InstallationDrop-in with anti-walk pins
FinishBlack oxide

Frequently asked questions

Is it compatible with Glock 19 Gen 5?
Yes, the FRT-15L3 works with all Glock generations including Gen 5 models. Installation requires standard armorers tools and takes approximately 10-15 minutes. No modification to the frame is needed for proper fitment.
Does it fit Polymer80 frames?
Compatibility varies by specific P80 model - it works with PF940v2 frames but may require slight fitting for PF940SC models. Test fit before final installation and expect potential 0.5-1mm tolerance adjustments for optimal function.
How long does shipping take?
Standard shipping via USPS Priority Mail takes 2-3 business days continental US. Expedited options through FedEx deliver within 24 hours for an additional $35 fee. International orders require 7-10 business days via DHL.
Can I return it if it doesn't fit?
Returns are accepted within 30 days if the product is unused and in original packaging. A 15% restocking fee applies to opened packages, and return shipping costs are the customer's responsibility. Email support@glockfrt.us.com for RMA authorization.
Does this work with aftermarket connectors?
Designed specifically for use with Rare Breed Triggers components. While it may function with some aftermarket connectors, reliability isn't guaranteed. We recommend pairing with our <a href="/products/⚡-new-glock-mod-glock-3-5lb-modified-cut-nub-connector-for-all-double-stack-glock-frt-triggers/">Glock 3.5lb Modified Cut Nub Connector</a> for optimal performance.
Sources & methodology. Editorial review and rating by Rhys Gallagher based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication. Last fact-checked 2026-06-04.
$508.50