Rock Slide USA .40 S&W CAL Upper for Glock 27. Model RS1SC40-RMR. OD Green Cerakote finish. Fits Polymer80 PF940SC lower and any other 26/27/33 Gen3 or Gen4 lower. Cutout for a Trijicon RMR.
Welcome the best AND easiest installing Glock 19 and Glock 23 extended magazine! Add 5 rounds to your factory mag in seconds with our magazine extension!
Utilizing our magazine extension technology the Tyrant Designs Glock 19 & 23 magazine extension is the fastest and easiest installing mag extension ever! Drop your mags faster, and grab them easily with their machined inlay!
- 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.