Techt G4/G3 Spec-R L7 Bolt Engine Angel Threaded Barrels Psi out: 0-300

Psi out: 0-300

Compatible with the Etek2

Completely rebuildable by the end user

10 - #20 BN70 O-ring

Techt G4/G3 Spec-R L7 Bolt Engine Angel Threaded Barrels Psi out: 0-300The TechT G3 Spec R G4 L7 Bolt Engine totally reconfigures the Stock G3 Spec R G4's method of operation. By replacing the stock style bolt with the proven L7 style bolt head, performance is increased on every level. Lower operating pressure, shorter dwells, better consistency, better efficiency, lower sound signature the works. It is constructed of high grade aircraft aluminum and goes through our licensed anodizing method to make them both durable