Classic Army MP5 Hop Up Unit

Tight bore precision barrel 6.03 x 300 mm.

The Firefly Namazu is a flat hop conversion that will significantly improve your range. By enlarging and extending the contact patch, the amount of ho...

590mm lengthMadbulls new Stainless Steel 6.03 precision inner barrels. Madbull takes no short cuts in providing an immaculately finished inner barrel ...

Orga LEX 05 6.05 barrel 407mmThe perfect length for EVO Carbine etcFor maximum power output the ORGA LEX barrel has an inner diameter of 6.05mm combin...

Maple Leaf Super silcone 70 degreeThe Maple Leaf Super Macaron Winter Silicone AEG Hop Up Bucking. Works with the Crazy Jet barrel system from Maple L...

Suitable for MK23 / Hi-capa 6" etc

Super Macaron 50° AEG Hop-Up BuckingA highest-quality Hop-Up bucking by Maple Leaf intended for installation in standard AEG replicas. A Hop-Up buckin...

Suitable for Hicapa etc.

Maple Leaf Autobot 50º hop Hop up is used in the majority of airsoft guns in the market today and can determine how accurate and strong the projectile...

Replace M14 Original Air Seal Chamber with this upgrade Set High Precision Duracon This Chamber Set is the substantial high-cost performance one Highl...

4uantum Friction pro High-Performance GBB BuckingDesigned to achieve ultimate consistency, the Friction Pro hop-up bucking focuses on creating a perfe...

The Ultimate Hop-up rubber with a hardness of 50° shore has been designed to give the best possible control of the BB in upgrades using springs rangin...

Orga LEX 05 6.05 barrel 275mmThe perfect length for M4's  etcFor maximum power output the ORGA LEX barrel has an inner diameter of 6.05mm combined wit...

Maple Leaf Autobot 70 degree hop Hop up is used in the majority of airsoft guns in the market today and can determine how accurate and strong the proj...

229mm lengthMadbulls new Stainless Steel 6.03 precision inner barrels. Madbull takes no short cuts in providing an immaculately finished inner barrel ...

Maple Leaf Transformers Autobot Silicone 60º hop RubberSuitable for Marui / WE / KJ GBB Pistol, WE GBBRs and VSR-10 compatible Air Cocking Rifles- 202...

Tight bore precision barrel 6.03 x 590 mm for PSG 1.

G&G cold Resistant Green hop up rubber This is a very popular item, considering the lower temperatures we have most of the year in the UK, the G&a...

Maple Leaf Autobot 70 degree hop Hop up is used in the majority of airsoft guns in the market today and can determine how accurate and strong the proj...