Rock Slide USA Pistol Stripped Upper .45 ACP. Compatible with Glock 21/20 Lowers. Tungsten Cerakote finish. Takes standard Glock 21 internal parts, sights, and barrels. Cut for a Trijicon RMR optic.
- CNC Machined on state of the art equipment.
- Compatible with 3rd & 4th Gen G17s.
- 4.5″ barrel.
- Tighter barrel lock up.
- Manufactured from premium made in specialized factories 416R stainless steel bar-stock.
- Gas vacuum heat-treated and double-tempered to mitigate stress.
- Broach cut rifled in 1:16LH twist for improved accuracy, and the ability to shoot lead (non-jacketed) projectiles.
- CNC diamond honed bore for improved accuracy and concentricity.
- Fully supported and polished chamber and feed ramp.
The Strike Industries Extended Magazine Plate For GLOCK G17 9MM / G22 .40CAL was designed to provide smoother magazine reloading through a slow drag / no snag design while maintaining maximum magazine capacity with any OEM GLOCK magazine. The Extended Magazine Plate provides an additional 6 rounds to any G17 GLOCK magazine in addition to adding plus 5 to any G22 .40 cal magazine.
Get ultimate firepower for your Glock pistols and compatible carbines with ProMag’s 50-round Glock drum magazine.
Built from impact-resistant polymer with tough stainless steel springs, heat-treated carbon steel upper housing and a handy reloading crank, ProMag’s Glock drum magazines are made in America, engineered for ultra-reliable performance and sold with a lifetime guarantee to ensure years of reliable service.
These drum magazines are compatible with all of Glock’s double-stack 9mm offerings and any carbine that accepts double-stack 9mm magazines, making them the perfect upgrade for practically any arsenal.