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£5.99
  • Includes Bucking
  • For Cold Weather
  • For Marui Style AEG

Will fit almost all Airsoft AEG on the market. The rubber is made from Silicon and features a 50 Degree Nub, applying a moderate amount of hop to BBs. 

£5.99
Was £6.49
Save £0.50
  • Wide Flat Patch
  • WE, KWJ GBB & VSR
  • Varying Degrees Of Hardness

The external surface is ribbed to keep your inner barrel more stable inside your hop up unit with next to no play at all after you have fully re-assembled your Airsoft weapon. 

£5.99
  • Hop Rubber
  • Cold Resistant
  • Keep your AEG shooting far in winter

Replacement HOP rubber for AEGs using TM AEG hop units. This will work in the vast majority of AEG Rifles, Submachine Guns and Support Guns. Perfect to replace a torn rubber or to get ahead of the seasons and have your AEG perform well in the icy cold.

£6.49
  • Wide Flat Patch
  • WE, KJW GBB & VSR
  • Various Degrees Of Hardness

Compared to the Autobot, this hop up rubber is far stronger and has a flatter shaped contact patch inside. 

£6.99
  • 5 Clips Per Pack
  • Fits Mix Of Hop Units
  • Can Be Shaped With Knife

ASG Ultimate barrel locking clips are sold at 5 per pack. Ideal replacement for any loose or fragile barrel clips. 

£6.99
  • Wide Flat Patch
  • For KSC GBB Style Barrels
  • Variable Degrees Of Hardness

An absolute monster of an upgrade to make to your weapon. The external surface is ribbed to keep your inner barrel more stable inside your hop up unit with next to no play at all after you have fully re-assembled your Airsoft weapon.

£7.99
  • Great Spare Part
  • Hop and Nub Set
  • Soft Rubber Design

A replacement hop-up rubber and bucking for Airsoft AEG Hop-Up units. 

£7.99
  • No Modification
  • For R-Hopped Guns
  • Even Bucking Contact

R-Hopping is the latest popular HOP modification for Airsoft Guns, which involves using a Flat Contact Patch on the bucking to impart perfectly even backspin on your BBs, even if imperfections are present in the BB. This style of HOP Modification usually requires a modified HOP Arm, which can lead to imperfections if the modification is not carried out perfectly. This HOP Arm is ready to drop in to any R-Hopped system and apply perfect and even pressure on the contact patch, allowing you to make the most of your upgrades. Not only this, but it will work with standard HOP Units, stopping you having to spend money on aftermarket units.

£7.99
  • PTS MEC Enhanced internal series
  • 2x Enhanced HOP rubbers/buckings
  • Two contact surfaces for improved consistency

The MEC HOP rubber/bucking is precision moulded and has a slightly narrower inner diameter at the entrance and extra coverage for the top of the barrel cut area for a vastly improved air seal. This HOP rubber provides two points of contact with the bb with equal pressure on either side, improving effective range and consistency.

£8.49
  • 50 Degrees
  • Extra Large Patch
  • For VSR-10 / Unbridged

A 50 degree hop rubber for VSRs and unbridged barrels, designed to maximise range at a slight cost to accuracy. 

£8.49
  • 50 Degrees
  • Silicon Construction
  • For VSR-10 / KJW / WE 

A high quality replacement Hop up rubber, made to 50 degrees of hardness, and designed for VSRs, as well as KJW and WE Airsoft designs.

£8.49
  • 60° HOP-up rubber
  • Widened contact area
  • For TM GBB pistol, VSR-10 and clones

If you are looking for more consistency, accuracy and range from your setup you can trust Maple Leaf to provide you with the best solution! The Super Hop Rubber is a refined design based on the TM Pistol and VSR-10 HOP pattern, but with a widened contact area to provide a greater HOP-up effect, spread more evenly across the upper surface of the BB to provide a more consistent and straight trajectory.

£8.49
  • Rubber construction
  • Optimised for tighter groupings
  • For VSR/GBB barrel with unbridged window

Maple Leaf has quickly risen to become the market leader in HOP-up rubbers and inner barrels, and the Maple Leaf Wonder Bucking is the latest of their mould-breaking designs. The Wonder HOP-up bucking is designed with tighter groupings in mind, with a wide "r-hop" style contact patch and stabilising wings on either side. The Wonder sacrifices all-out range over the excellent Maple Leaf "Super" series of HOP-up rubber for greater precision and tighter shot-to-shot groupings, making it perfect for a setup with an emphasis on accuracy. 

£8.95
  • For 0.4g BBs +
  • Silicon Construction
  • For VSR-10 / KJW / WE

A high quality replacement Hop up rubber, made to 70 degrees of hardness, and designed for VSRs, as well as KJW and WE Airsoft designs.

£10.99
  • For 0.40g +
  • Extra Large Patch
  • For VSR-10 / Unbridged

A 70 degree hop rubber for VSRs and unbridged barrels, designed to maximise range at a slight cost to accuracy. 

£11.95
  • Requires Hadron TDC
  • Replaces MK.23 HOP arm
  • Improves HOP performance for heavy BBs

A replacement HOP arm for your MK23 pistol, either TM or ASG. This part will enhance your pistols range and enable it to apply HOP to BBs of 0.4g and higher!

£11.99
  • Soft Bucking
  • Grippy Material
  • Air-Tight Design

A soft Hop Rubber for Marui compatible AEGs offering an air-tight design, which comes supplied with a nub and is a purple colour.

£12.99
  • Aluminium
  • For Army/Marui
  • Improved Compression

An enhanced HOP Unit for Army Armament / Tokyo Marui branded M1911 platform Gas Blowback Replicas, which serves to improve compression and lift achieved from your BBs. It is constructed from Aluminium and comes supplied with the Chamber, HOP Army, Adjustment Wheel, Two Screws and a small O-Ring.

£13.95
  • Stabilise Shots
  • Improves Air Seal
  • Reduce Power Loss

An upgrade hop bucking for Tokyo Marui and other compatible products. Designed for the Tokyo Marui VSR-10 bolt action and blow back pistols in mind including the Hi-Capa 4.3, Hi-Capa 5.1, M1911A1, SIG P226, SOCOM MK23 and G26. 

£14.99
  • Increases Accuracy
  • Works with Heavier BB's
  • Compatible with Master Mod Barrels


Master Mods are a new Internal Parts manufacturer bringing a whole new meaning to the term reliable. The Master Mods R-Hop Contact rubber is a hardened contact for use with heavier weight BB's, increasing accuracy & performance.

£18.99
  • Wide Flat Patch
  • For KSC Style Barrels
  • 75 Degrees Of Hardness

A great way to modify your KSC Airsoft gun. The external surface is ribbed to keep your inner barrel more stable inside your hop up unit with next to no play at all after you have fully re-assembled your Airsoft weapon.

£24.99
  • Perfect Upgrade
  • Alloy Hop-Up Unit
  • No Loose Movement

A replacement Hop-Up Unit for Airsoft AK Rifles, designed and constructed to high standards by Action Sports Games in Denmark as part of their Ultimate Upgrade Parts Range. 

£24.99
  • Perfect Upgrade
  • Alloy Hop-Up Unit
  • No Loose Movement

A replacement Hop-Up unit for ASG Brand AUG, and is part of Action Sports Games Ultimate Upgrade Parts range. The Hop-Up unit is an Alloy hop up chamber, designed to be stronger than its polymer counterparts, and features a Polymer Hop-Up adjuster. 

£24.99
  • Perfect Upgrade
  • Alloy Hop-Up Unit
  • No Loose Movement

A replacement Hop-Up Unit for Airsoft M4 / AR-15 / M16 Rifles, designed and constructed to high standards by Action Sports Games in Denmark as part of their Ultimate Upgrade Parts Range. 

£27.50
  • 3D Printed
  • 0.4g+ Required
  • Lightweight & Tough

A 3D Printed Outer Barrel Assembly for TM & WE branded EU17/EU18 model GBB Pistols, which offers a TDC Grub Screw HOP style adjustment to increase performance when paired with a quality bucking and heavyweight BBs.

£27.99
  • CNC Machined
  • Consistent Pressure
  • Anodised Aluminium

A CNC machined Aluminium Hop Arm / Pressure Plate for the Modify MOD24 Bolt Action Sniper Rifle.

£29.99
  • Rotary HOP unit
  • Audible and tactile clicks when adjusted
  • Excellent HOP unit, one of the best around!

If you are looking to upgrade your HOP unit, in most cases these days there isn't much to gain if you already have a rotary unit in your gun. This is the exception! Krytac has taken the rotary HOP unit and added in audible and tactile clicks when you adjust, locking the unit in its set position and allowing you to adjust accurately even in low light conditions! The unit also has engraved numerical setting indicators around the adjuster, allowing you to keep track of which setting works best with which BB weight, avoiding the trail and error! This package also includes a KRYTAC HOP rubber.

£54.99
  • Brass construction
  • Includes HOP unit and tensioner
  • Engraved directional marking around adjuster

For those Hi-capa builders out there, especially the ones who appreciate the glamour and flair of gold parts, this one is for you! The HOP-up base for TM Hi-capa from Airsoft Masterpiece is precisely machined from brass and finished in gloss gold, and comes with the HOP adjuster gear and tensioner.

£79.99
  • Extremely Stable
  • CNC Hop-Up Unit
  • Precision Adjustment

A highquality replacement Hop-Up unit designed and created by Action Army to fit TM Spec VSR / BAR-10 Airsoft Bolt Action Sniper Rifles, to enhance and perfect the performance of the weapon.

£2.99
  • For AK HOPs
  • Polymer Made
  • Ideal Spare Part

A tough Polymer C-Clip for AK style HOP units.

About Our Airsoft Hop Up Units & Buckings

Looking to upgrade your Airsoft gun to attain maximum range? Our Airsoft hop-ups and buckings transform your replica’s backspin to give you the trajectory you’ve been dreaming of. 

We have a range of brands and designs to choose from. From Maple Leaf buckings to Modify rubber hop-ups, you can equip yourself with the right attachment for a clean, straight shot every time. So get ready to take out your enemies from afar with incredible accuracy from our Maple Leaf bucking, and explore options for all weather conditions. 

Maple Leaf buckings are ideal for modifying your rifle, thanks to their concave contact surface to increase backspin. For spare airsoft hop-ups to maintain your piece, you’ll find units with varied hardness levels, air seals and bucking contact. To learn more, check out our handy Airsoft Hop Up Bucking Guide.

We stock options for all types of weapons too, including Airsoft M4 hop-up units, as well as offering some of the best names in the field such as G&G Armament, Guarder Airsoft and ASG. You’ll find a range of accessories and attachments to improve the precision of your shots too, like holographic, reflex and red dot sights.