FMK AG1 Blue Jay 9mm Pistol Frame - Glock 19 Gen 3 Compatible
The FMK AG1 Blue Jay 9mm Pistol Frame - Glock 19 Gen 3 Compatible is a 9mm parts from FMK. It is available from 3 vendors at $86.25 to $99.99. Owners rate it 5.0 out of 5 across 1 review.
Product Information
Name: FMK AG1 Blue Jay 9mm Pistol Frame - Glock 19 Gen 3 Compatible
Brand: FMK
Category: Parts
Caliber: 9mm
UPC: 850979006509
SKU: UCEysfBev
Description
The FMK Firearms AG1 Frame is a polymer lower receiver built to accept Glock 19 Gen 3 components. It comes in a Blue Jay finish and gives builders a starting point that's compatible with the wide ecosystem of Glock 19 aftermarket parts.
Key Specifications
- Condition: New in Box
- Finish Per Color: Blue Jay
- Manufacturer: FMK Firearms
- Manufacturer Part Number: FMKGAG1BJ
- Model: AG1 Frame
- Type: Lowers
- UPC: 850979006509
Detailed Features
The frame is polymer construction, keeping weight down without sacrificing structural integrity. It's specifically dimensioned for Glock 19 Gen 3 internals, so the trigger group, pins, and slide components drop in using standard fitting. The Blue Jay finish is a Cerakote-style color coat that resists wear and corrosion.
Complete Specifications
| Caliber | 9mm |
| Model | AG1 Frame |
| Magazines included | 0 |
| Finish | Blue Jay Finish |
| Color | Blue |
Customers Say
AI-generated insights derived from customer reviews and discussions on popular gun-enthusiast forums.
Builders generally like the AG1 for two reasons: the color options and the Glock 19 Gen 3 compatibility. Having broad aftermarket access while starting with a distinctive-looking frame appeals to the custom-build crowd.
The main concern that comes up repeatedly is fitment. Some users report that tolerances are tighter or looser than OEM Glock frames, requiring minor fitting work on certain components. A few note that long-term durability compared to genuine Glock frames is still an open question. The overall sentiment is cautiously positive, solid value for a build project, though buyers who want exact OEM specs may want to verify fitment before committing to a complete build.
Where to Buy - 3 Offers Available
Price Range: $86.25 - $99.99
| Vendor | Price | Condition | Link |
|---|---|---|---|
| Shootingsurplus Com | $86.25 | New | Buy Now |
| Buds Gun Shop | $99.99 | New | Buy Now |
| Grabagun Com | $99.99 | New | Buy Now |
Customer Reviews (1)
Sturdy construction is the defining quality of this frame. It feels very well made and exceptionally tough, without giving me any reason to doubt its durability. That solid character is apparent in the frame itself and shapes my whole impression of it. A part like this needs to feel properly built for its intended role. This one certainly does, and its toughness is the quality I appreciate most about it.
