Hot Shot Hop Up Rubber 75° for SRS (with GBB Inner Barrel)

Maple Leaf / Ra-Tech HopUp bucking for Silverback Airsoft SRS sniper rifle with GBB inner barrel.

The special shape of the protrusion (Delta), which is pressed into the barrel, increases performance and especially accuracy.

The bucking is designed for Silverback SRS rifles with GBB Maple Leaf Precision barrel (AEG hop-up chamber with GBB inner barrel). Before purchasing, make sure the hardness of the rubber band suits you (see table below).

• 50° for guns with the output velocity bellow 110 m/s (360 FPS)
• 60° for guns with the output velocity 90 - 120 m/s (295 - 400 FPS)
• 70° for guns with the output velocity 110 - 140 m/s (360 - 460 FPS)
• 75° for guns with the output velocity 130 - 150 m/s (430 - 500 FPS)
• 80° for guns with the output velocity above 150 m/s (500 FPS)

Notice
For proper function of the hop-up bucking, the used barrel must not have a bridge at the hole for the nub.