Hop-Up Bucking, 70° (M120–M190) by ASG ULTIMATE
This precision-engineered hop-up bucking with 70° shore hardness is designed for airsoft guns using springs rated M120 to M190. Its higher hardness ensures excellent stability and BB control even under strong air pressure and high muzzle velocities. The bucking features a traditional inner patch, which provides reliable and consistent hop-up effect—ideal for accurate long-range shooting. The package also includes a pressure nub to optimize the contact between the bucking and the BB.
Key Features
70° Shore HardnessIdeal for M120–M190 springs, offering stable performance at high FPS.
Traditional patchProven design for reliable and consistent hop-up effect.
Includes pressure nubEnsures optimal pressure and even contact with the BB.
Technical Specifications
Hardness: 70° shore
Recommended use: M120–M190
Inner patch type: Traditional
Material: High-durability rubber
Color: Black
Manufacturer: ASG ULTIMATE
Package Contents
70° Hop-Up Bucking
Pressure nub


