PRO-ARMS 130% NOZZLE RETURN SPRING FOR ELITE FORCE / UMAREX (VFC) GLOCK 17, ISSC M22, SAI BLU, LONEWOLF, AND OTHER COMPATIBLE PISTOLS Redline Parts The 50-round capacity is a

The 50-round capacity is a significant increase over other VSR-10 magazines

Magazine: STANAG Style M4 120 Rounds Mid-Cap

Compatible magazines: Various normal magazines (spring type magazines)

or the Tienly U-30000 Motor for an all 'round trigger response and rate of fire build

Side handle to carry by hand

PRO-ARMS 130% NOZZLE RETURN SPRING FOR ELITE FORCE / UMAREX (VFC) GLOCK 17, ISSC M22, SAI BLU, LONEWOLF, AND OTHER COMPATIBLE PISTOLS Redline Parts The 50-round capacity is aFeatures Made from high strength spring steel Provides snappier recoil impulse Improved durability and performance Manufacturer: Pro Arms Material: Spring Steel Compatibility: Elite Force, UMAREX, Spartan GLOCK and other GBB Pistols w VFC Blowback System SAI BLU, ISSC M22, Lonewolf, ZEV, G&P Custom, P80 and other GBB Pistols w WE Tech Gas Blowback System Not compatible w KWC, WinGun systems