Rock Slide USA Pistol Stripped Upper 9mm, Gen3. Compatible with Glock 17/22/31 Lowers. Black Cerakote finish. RMR Cut for Trijicon optic. Takes standard Glock 17 internal parts, sights, and barrels.
- 4150 or 416-R Stainless – Only the best steels for durability, longevity, and accuracy.
- 9mm SAAMI Chambers – Superior accuracy with complete SAAMI compatibility & boring reliability.
- Tighter Tolerances – Drop-in, yet better fitment and lock-up.
- Conventional Rifling – Fully compatible with cast bullets
- 11 Degree Target Crown
- Rifling Method: Button Rifled, Fully Stress Relieved
- Rifling Type: Conventional
- Inside Finish: Salt Bath Nitride
- Outside Finish: Salt Bath Nitride
In a League of its own, Agency Arms very own Flat Face Trigger brings a new level of smooth with its short reset and crisp snap back. Made with an aluminum trigger body and factory trigger bar, this drop-in trigger fits Gen 3 or 4 in 9mm, .40 S&W, and .357 Sig.