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Adjustment button with o-ring to assure tightness.Redesigned pressure plate by adding an adjustment gear making accurate adjustment easier.The Hard...
Made from low-temp resistant rubber, perfect for colder climates
Improves hopup performance in cold weather
Compatible with all TM-spec A...
G&G Cold Resistant Hop Up Rubber Bucking.
Blue for AEGs with airsoft Rotary Hopup Chambers. This is the Blue winter style cold resistant G&...
Made of Aircraft Rubber
Improved air seal
Hardness: 60-65 degrees
For VSR-10 & the vast majority of GBBP.
Excellent extreme temp...
CNC machined aluminum
Improves overall inner barrel stability
Sliding bar hop-up adjustment
Manufacturer: Maple LeafCompatibility: Tokyo...
Wheel Adjusted Hop-Up Chamber
CNC Full Metal Construction
Action Army Original Part for AAP-01
Cast metal alloy construction
Factory OEM spec
Bucking, barrel spring and other necessary components included
Compatibility: A&K, Cl...
CNC Aluminum Construction
Design to replace the original hop-up chamber
Suitable for most AK AEG
CNC Aluminum Construction.
Design for Replace the Original Hop Up Chamber.
Suitable for All G36 AEG
Slightly narrow entrance for better sealing to achieve more consistent power output
Special pressure point geometry reduces inconsistency...
The Super bucking has a narrow entrance for more accurate shooting styles. The new Super Silicone version features the same design aspects of the "...
Highest CNC precision made with no seems and scratches
Anodized surface for elimination of friction
Pack of 2 nubs
The KWA E-10 bucking fits most KWA pistols and some SMGs. Occasional replacement will help restore accuracy and prevent jamming.
Ball bearing, w...
Works in VSR-10 rifles and WE/Marui/KJW gas guns. The Decepticons is good for better accuracy.
Slightly narrow entrance for better seali...
Injection molded polymer construction
Fits most M4 series Airsoft AEG hop-up units
Drop in replacement
Works in VSR-10 rifles and WE/Marui/KJW gas guns. The Autobot hop up is good for long distance shooting.
Slightly narrow entrance for be...
Maple Leaf MACARON (Monster) Series hop-up rubber for AEG.Same design as the original "MONSTER" series, but with updated color for easy identificat...
Works with standard AEG hopups and barrels
Flat hop provides more consistent contact and backspin on BBs
Improve accuracy, range, and gr...
CNC Aluminum Construction
Design to replace the original Hop-up chamber
Suitable for most M4/M16 AEG
The KWA E-19 bucking fits multiple KWA models, and appears on respective diagrams as LM4 part 98, HK45 part 330, Vector part 62, and kz.61 Skorpion...
This replacement part is displayed as part number 352S on RM4/VM4 AEG 2.5/3/PTS ERG Mechbox diagram.
High quality re...
This polymer hop-up housing fits all AKR Series AEGs, both the 2.5 and 3.0 models. It includes parts 9, 116, 125, 10, 11, 12, and 317.
The KM4 AEG hop-up assembly fits all KM4 Series rifles, including the new SR Series. It comes with everything pictured. Please note that this does...