Inner Barrels, Hopup Units, Buckings & Accessories

Madbull - SteelBull Stainless Steel Barrel (6.03mm/509mm)

Madbull SteelBull Stainless Steel 6.03mm AEG Barrel | 455mm

Madbull | SteelBull Stainless Steel Barrel 6.03mm x 363mm

PDI W Hold Chamber Packing AEG Bucking | Internal Upgrades

The PDI W Hold Chamber Packing (Bucking) has a unique W hold pattern nub inside the bucking that allows for a more even hop than traditional buckings resulting in greater accuracy.  The W Hold...

Maple Leaf Omega Hop Up Tensioner for AEG | Internal Upgrades

This Maple Leaf Omega Hop Up Nub has a small external profile and offers a concave type nub surface.  This concave surface helps by conforming the bucking to the BB.     This nub is compatible with...

PDI - 6.05mm Stainless Barrel (AEG/303mm)

Looking for some of the highest quality stainless steel barrels on the market? Look no further! Diameter: 6.05mmLength: 303mmHop Cut: AEGMaterial: Stainless

PDI - 6.05mm Stainless Barrel (AEG/375mm)

Looking for some of the highest quality stainless steel barrels on the market? Look no further! Diameter: 6.05mmLength: 375mmHop Cut: AEGMaterial: Stainless

PDI - 6.05mm Stainless Barrel (AEG/455mm)

Looking for some of the highest quality stainless steel barrels on the market? Look no further! Diameter: 6.05mmLength: 455mmHop Cut: AEGMaterial: Stainless

PDI - 6.05mm Stainless Barrel (AEG/509mm)

Looking for some of the highest quality stainless steel barrels on the market? Look no further! Diameter: 6.05mmLength: 509mmHop Cut: AEGMaterial: Stainless

PDI - 6.01mm Stainless Barrel (AEG/375mm)

Looking for some of the highest quality stainless steel barrels on the market? Look no further! Diameter: 6.01mmLength: 375mmHop Cut: AEGMaterial: Stainless

PDI - 6.01mm Stainless Barrel (AEG/455mm)

Looking for some of the highest quality stainless steel barrels on the market? Look no further! Diameter: 6.01mmLength: 455mmHop Cut: AEGMaterial: Stainless

PDI - 6.01mm Stainless Barrel (AEG/509mm)

Looking for some of the highest quality stainless steel barrels on the market? Look no further! Diameter: 6.01mmLength: 509mmHop Cut: AEGMaterial: Stainless

PDI - 6.05mm Stainless Barrel (AEG/285mm)

Looking for some of the highest quality stainless steel barrels on the market? Look no further! Diameter: 6.05mmLength: 285mmHop Cut: AEGMaterial: Stainless

PDI - 6.01mm Stainless Barrel (AEG/303mm)

PDI - 6.01mm Stainless Barrel (AEG/303mm) Product Features: High quality stainless steel construction Precision tightbore 6.01mm Improve accuracy and air seal Product Description: Looking...

PDI - 6.01mm Stainless Barrel (AEG/285mm)

Looking for some of the highest quality stainless steel barrels on the market? Look no further! Diameter: 6.01mmLength: 285mmHop Cut: AEGMaterial: Stainless

ORGA - Magnus 6.23mm Barrel (455mm)

ORGA - Magnus 6.23mm Barrel (500mm)

ORGA - Magnus Super Power 6.00mm Barrel (260mm)

ORGA - Magnus Super Power 6.00mm Barrel (363mm)

ORGA - Magnus Super Power 6.00mm Barrel (460mm)

ORGA - Magnus Super Power 6.00mm Barrel (509mm)

ORGA - Magnus 6.23mm Barrel (260mm)

ORGA - Magnus 6.23mm Barrel (303mm)

ORGA - Magnus 6.23mm Barrel (363mm)

ORGA Dimension Hop Nub | Internal Upgrades

Modify Baton Ryusoku Hop Up Bucking | Soft Type

Madbull Red Shark Hop Up Bucking | 60 Degree | 2PK

Bullgear CNC Hop Up | A&K / Cyber Gun / Classic Army M249

Finally, more than just a replacement hop for the M249 family of guns. The Bullgear improved hop up chamber supports M249s from A&K, Cybergun and Classic Army. Improved rotary style hop, CNC...

RETRO Arms - M4 Hop Up Chamber

Retro Arms M4 Hop Up Chamber, produced from EN AW 2007 and EN AW 7075 aluminum. Designed to allow precise adjustment in 2mm range with step of 0.01 mm. Chamber is compatible with Retro Arms gearbox...

RETRO Arms CNC Split Gearbox V2 with Internal Hop Up Chamber

This is brand new CNC gearbox ver. II with integrated Hop Up chamber. It is manufactured from aircraft dural EN AW 7075, what have strength of steel and weight of aluminum, it is best for high...

RETRO Arms - C Clip for AK Hop Unit

Replacement C clip for use with Retro Arms AK style hop up chamber.

RETRO Arms AK Hop Up Chamber

RETRO Arms AK Hop Up Chamber Features: Manufactured from aircraft dural EN AW 7075 for strength and lightweight properties and product accuracies Compatible with AK series AEGs from various...

G&G Hopup Bucking | AEG | Cold Resistant | Green

Madbull SteelBull 6.03 Stainless Steel Barrels 300mm

ProWin M4 Chamber for M4 | AEG Hop Up Units

ProWin M4 Chamber for M4 | AEG Hop Up Units ProWin Now offers the entire hop chamber unit for your favorite M4/M16 AEG! The ProWin Brand is known to create precision complex-shaped parts with...

Prometheus Purple Bucking | Soft Type | AEG Hop Buckings

Prometheus Purple Bucking | Soft Type | AEG Hop Buckings If you are looking for a bucking that will give you extreme accuracy and performance, look no further than the Prometheus Purple bucking...

Prometheus - EG 6.03mm Barrel 300mm

Prometheus - EG 6.03mm Barrel 300mm  

Prometheus EG 6.03mm Barrel 229mm | Inner Barrels

EG barrel 229mm MP5A4 · A5 · SD5 · SD6 · β Spetsnaz Made from high quality stainless steel Precision 6.03mm inner diameter Internally polished with precision crown Made in Japan, directly...

Prometheus EG 6.03mm Barrel 285mm | Inner Barrels

EG barrel 285mm MC51  

Prometheus - EG 6.03mm Barrel 363mm

EG barrel 363mm SOPMOD · M4A1 · SR16 · SG551  

Prometheus - EG 6.03mm Barrel 455mm

EG barrel 455mm AK47 · AK47S  

Prometheus EG 6.03mm Barrel 509mm | Steyr AUG / M16

EG barrel 509mm M16A1 · A2 · VN · Steyr AUG  

Prometheus - Hop Tensioner (Bridge)

Prometheus - Hop Up Tensioner with One Soft & One Hard for AEG (Bridge Type)

Prometheus Hop Up Tensioner | Flat

Prometheus - Hop Up Tensioner with One Soft & One Hard for AEG (Flat Type) Features: Includes two high quality nubs, One Soft Nub & One Hard Nub Design

Orga Hop-up Nub Bar | Internal Upgrade | Hop-Up

Maple Leaf 2016 Macaron Airsoft AEG Hop Up Rubber Bucking 80 Degree

Special pressure point geometry greatly improves hop up performance and dramatically increases accuracy.   Ribbed outer surface for better air seal Suitable for most Marui-compatible AEG Hop...

Maple Leaf 2016 Macaron Airsoft AEG 75 Degree Hop Up Bucking

Special pressure point geometry greatly improves hop up performance and dramatically increases accuracy.   Ribbed outer surface for better air seal Suitable for most Marui-compatible AEG Hop...

Maple Leaf 2016 Macaron AEG Hop Up Rubber Bucking 70 Degree

Special pressure point geometry greatly improves hop up performance and dramatically increases accuracy.   Ribbed outer surface for better air seal Suitable for most Marui-compatible AEG Hop...

Amped Airsoft | HopUp O-Ring Barrel Spacer | 10PK

The Hop-Up O-Ring Barrel Spacer is used to keep backwards pressure on your Hop-Up to maintain proper air seal between your Gear Box/Fusion Engine and Hop-Up Unit. This will help increase the...

King Arms - Polycarb Hop Up Chamber for AK

Kings Arms Hop Up Chamber Set for Marui AK series.  

Amped Airsoft Service | Assemble Hop Up / Barrel Unit

If you would like for us to build your hop up/barrel system for you, please add this item to your cart.Please insure that you have also added the following items to your cart so we can complete your...

Modify Baton Ryusoku Hop Up Bucking - Hard Type