The L2D Combat stainless steel guide rod reducing ring is a drop in solution to covert a Glock Gen 4 slide to single spring Glock Gen 3 guide rod assembly (sold separately). 

When used in conjunction with an L2D Combat adjustable Gen 3 guide rod, the user is able to tune their pistol recoil system to a specific cartridge load, suppressor or compensator for added reliability and performance. 

Features:

• 17-4 Stainless Steel
• Drop-In Installation 

Compatibility:

• All Glock Gen 4 Pistols

Finish Options

• Stainless
• TiN (Titanium Nitride)
• Black Nitride
• Chameleon PVD (Physical Vapor Deposition)