Novritsch 13mm FPS Adjuster Rings PK427 Ultra-low resistance: 2mΩ

Ultra-low resistance: 2mΩ

This M1A1 AEG is realistic designed in all aspect such as the operation system

IP67 Waterproof

65 MOA aiming circle for distance shooting

Novritsch 13mm FPS Adjuster Rings PK427 Ultra-low resistance: 2mΩIncrease the fps power of your rifle exactly to the legal limit of your field with the fps adjuster rings. You can put them on the spring guide to adjust the muzzle velocity of your sniper rifle. The rings are machined by CNC and the material used is a hardened stainless steel. Compatible with all 13mm spring sniper rifles (Novritsch SSG24, Silverback SRS etc.) One set includes: 2mm long ring + 4mm long ring + 6mm long ring Outer diameter: 13mm Inner