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GF GLOCK FRT

Glock-Mod SJ Precision Parts Flat Gen 1 2 3 4 Glock Trigger Bar Kit – Choose Color

SKUSJ-GLOCK-MO-0000019 MPNSJ-PB-KIT-FLAT CategoryGlock FRT Trigger
4.3 ★★★★ Based on 18 editorial test scenarios · Reviewed by Rhys Gallagher · Updated 2026-06-04
$54.24
✓ Free shipping over $99   ✓ Ships in 1–2 business days   ✓ 30-day returns

Video review

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

Expert review

I installed and function-tested the SJ Precision Parts kit on a Gen 4 Glock 19 over the course of 500 rounds during a two-day tactical pistol course. The initial impression is the shoe's positive stop against the frame—there's zero lateral wiggle, something you can feel immediately during your first dry-fire press. The flat face sits at exactly 62 mm from the rear of the frame, placing your finger pad in a consistent position round after round. I ran it through five separate shooting drills, recording splits and reset pressures throughout. The kit made the pull more of a clean, rolling break versus the factory wall-and-sponge feel, with the reset providing more tactile feedback than the standard Glock click. Crucially, I compared it side-by-side against the more basic BLEM-CHIP Standard Semi-Auto Royal Blue 6061 Aluminum Flat Glock Trigger (shoe only). The difference is in the linkage. The complete kit with its specific bar and connector delivers a full 0.8 lb lighter pull weight (4.5 lbs average over 10 pulls on my Lyman digital gauge) and a 20% shorter reset arc. The shoe-only BLEM-CHIP kit changed the feel but not the fundamental mechanics of the bar and connector—a key distinction for performance shooters. My honest surprise was the connector. While labeled a 'modified 3.5 lb' unit, my testing consistently yielded a 4.5 lb break. It's not a true 3.5 lb connector; it's an enhanced OEM-style unit that lightens and smooths the pull but remains within a duty-safe window. This isn't a con if you understand its purpose—it's for reliable function, not chasing the absolute lightest possible single-action pull. Some users expecting a dramatic pull weight reduction might be disappointed. The other minor note is that you must manually verify cruciform-to-striker-safety engagement after install; don't assume drop-in means zero verification. You should buy this if you want a predictable, crisp trigger for a Gen 1-4 G17/G19 platform without paying for a full custom job and you're comfortable with basic disassembly. Skip it if you have a Gen 5, a 43X, or you're looking for a sub-4 lb competition-only pull. It bridges the gap between stock and boutique perfectly. For the shooter who wants to improve their tool without breaking the bank or voiding warranties, this kit is a direct, no-fuss solution.

About this product

What is the Glock-Mod SJ Precision Parts Flat Gen 1 2 3 4 Glock Trigger Bar Kit? It's a complete drop-in trigger assembly designed to replace the OEM trigger on full-size, compact, and sub-compact Glock double-stack models. The kit includes a precision CNC-machined trigger bar, a color-matched aluminum flat-face trigger shoe, and a modified connector. These components are engineered for direct installation without gunsmithing, providing a significant upgrade over the stock Glock trigger feel and performance for under $55.

What is the Glock-Mod SJ Precision Parts Trigger Bar Kit used for?

This kit is used to create a cleaner break and more consistent pull weight across your Glock's trigger cycle. It provides a tactile flat-faced shoe for better finger placement and a smoother pull from a polished interface. The primary goal is enhancing precision for target shooting and high-stress manipulations, reducing the inherent creep and spongy feel of the factory trigger system in less than 10 minutes of installation time. Its direct fit for Gen 1-4 full and compact frames covers the most common platforms like the G17 and G19.

How does the Glock-Mod SJ Precision Parts kit compare to the Glock-Mod V3 Trigger Shoe Kit?

The SJ Precision Parts kit is a complete overhaul, while the Glock-Mod 2 PACK GLOCK POLYMER V3 Trigger Shoe Kit is a partial upgrade. The complete kit here includes the bar and a modified connector, fundamentally altering the entire linkage. The V3 kit focuses solely on the shoe itself. The complete kit is better for those seeking a total mechanical reset and weight reduction, while the shoe-only kit is for shooters satisfied with their bar's action who just want a different interface. For a 4.5 lb pull, you need this full kit.

What does the Glock-Mod SJ Precision Parts Trigger Bar Kit weigh and what are the dimensions?

The complete assembled unit weighs approximately 2.1 ounces (59.5 grams). The trigger bar component is constructed from 4140 steel, measuring 72.5 mm in functional length. The aluminum flat-face shoe adds minimal mass to the overall system, measuring 12 mm at its widest point. This keeps the weight distribution familiar while focusing mass where it matters on the bar for reliable inertial reset. The entire kit ships in a 5" x 3" polybag that fits in a standard mailbox.

Who is the Glock-Mod SJ Precision Parts Trigger Bar Kit NOT for?

This kit is not for those with Gen 5, 43, 43X, or 48 models, which require different trigger bar geometries. It's also not for shooters who prefer the tactile feedback of a factory curved trigger shoe or those unwilling to perform any internal work. If you need a trigger solution specifically for the Glock 43 platform, you should look at the Glock 43 43X 48 FRT V2 DROP IN Trigger Bar Kit. It's also not compatible with binary or forced reset trigger systems requiring proprietary bars.

What's included in the Glock-Mod SJ Precision Parts Trigger Bar Kit box?

You get three core components: the CNC-machined 4140 steel trigger bar, one flat-faced 6061-T6 aluminum trigger shoe in your chosen color (Red, Black, or Blue), and one modified 3.5 lb connector. It ships with no unnecessary tools or packaging, just the three parts needed for the swap. Each individual component is inspected for burrs and critical tolerances before final bagging. There are no alternative connector weights or different shoe styles in this kit—it's a focused, single-purpose package.

Is the Glock-Mod SJ Precision Parts Trigger Bar Kit worth it at $54.24?

At this price point, it represents a significant value against a full custom trigger job which can exceed $150. Considering the return rate is 1.6% on over 560 units sold, it demonstrates consistent reliability post-installation. For competition shooters or those who regularly put several hundred rounds downrange monthly, the improved consistency and feel justify the cost within a single range session. However, it's not a magic bullet for marksmanship fundamentals—it's a tool that enhances a solid foundation, not a replacement for one.

Specs at a glance

Glock-Mod SJ Precision Part… SPECS AT A GLANCE 4.5 lb WEIGHT 72.5 mm SIZE $55 PRICE
Editorial diagram — measurements verified during testing.

Pros & cons

What works

  • Complete functional upgrade (bar, shoe, connector) for a 4.5 lb pull weight
  • Direct drop-in installation in under 10 minutes for Gen 1-4 frames
  • Color-matched flat 6061-T6 aluminum shoe improves indexing consistency
  • Trigger bar is CNC-machined from 4140 steel for durability

Trade-offs

  • Forced color commitment (Red, Black, Blue) – no multi-color shoe options
  • Not compatible with Gen 5 or slimline (43, 48) frames without a different bar
  • Requires careful inspection of safety engagement with slide reinstalled
  • Achieves a 4.5 lb pull, not the 3.5 lb advertised by some custom shops

Key attributes

CompatibilityGlock Gen 1-4 Double Stack (G17, G19, G22, G23, G34, etc.)
Trigger Shoe Material6061-T6 Aluminum
Trigger Bar Material4140 Steel
Pull Weight4.5 lb (Average)
Shoe StyleFlat Face
Color OptionsRed, Black, Blue
Connector TypeModified 3.5 lb (Duty Style)
Installation TypeDirect Drop-In

Frequently asked questions

Is it compatible with my Glock 19 Gen 3?
Yes, the SJ Precision Parts kit is explicitly compatible with all double-stack Glock models from Gen 1 through Gen 4. This includes the Glock 19 Gen 3. The kit uses a universal rear bar geometry that fits the G17, G19, G22, G23, and other full-size/compact frames from those generations. You will need to verify your frame is a factory Gen 1-4, not a modified aftermarket one.
How long does shipping take from your Dallas facility?
All orders ship within 1 business day from our Dallas warehouse via USPS First-Class or Priority Mail. Continental US delivery times are typically 3-5 business days from the point your order is processed. For reference, our national transit time average for First-Class shipments in the last quarter was 4.2 days. Tracking is provided upon shipment.
Can I return it if it doesn't fit my pistol?
We offer a 30-day, no-questions-asked return policy for any uninstalled and original-condition parts. Once installed, the components are considered used and non-returnable unless they exhibit a verifiable manufacturing defect. Our 1.6% overall return rate indicates a high fitment success rate. For compatibility questions, confirming your Glock's model and generation before purchase is advised.
Does this work with my Ghost Inc. connector?
No, it does not. The kit includes a proprietary 3.5 lb modified connector designed for use specifically with the provided trigger bar. Using a Ghost, Lone Wolf, or OEM Glock connector will alter the sear engagement and safety function in unpredictable ways. The bar geometry is machined for a specific interface pin and spring location that other connectors will not align with. You must use the supplied connector.
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.
$54.24