Rival Arms Extended Slide Lock Glock 44 Stainless Steel. For the competitive shooter these Pistol Slide Parts by Rival Arms ensure that your pistol won't slide off the target due to slide damage. The Rival Arms Slide Lock Glock is completely CNC-machined from stainless steel providing a stronger and more reliable lock. For your shooting needs an extended slide lock for glocks is the ideal upgrade. Stop playing around with inferior materials and install a Rival Arms Glock Slide Lock now. Specifications for Rival Arms Extended Slide Lock: Manufacturer: Rival Arms Gun Make: Glock Condition: New Country of Origin: USA Package Contents: Rival Arms Extended Slide Lock What firearm models does the manufacturer say Rival Arms Extended Slide Lock is compatible with? The manufacturer says that Rival Arms Extended Slide Lock is compatible with Glock 43 Glock 48 Glock 42 Glock 44Rival Arms RA-RA80G005D: Extended Slide Lock Glock 44 Stainless Steel