- Made in England
- Fits most Airsoft AEGs
- Different strengths available
Springs are the perfect upgrade for an instant FPS boost! They fit in most standard AEGs and have a relatively simple installation process. Many rifles these days have some sort of quick-change spring system which makes your life even easier when upgrading your rifles.
The Bolster Armouries Premium AEG Spring is the best of the best when it comes to internal springs. These are the same springs used in our Bolster Armouries rifles, that's just how premium these springs are! If you want your rifle shooting like a Bolster Armouries ONYX, then the Bolster Armouries Premium AEG Spring is certainly a step in the right direction!
- CNC Aluminium build
- M-LOK & 20mm Picatinny rails
- For M4/AR-15 AEG & GBBR
If you're looking for a new handguard to customise your M4, the Specna Arms MK8-style M-LOK Handguard for M4/AR-15 is a great option! Styled after the popular real steel "MK8" rail, this handguard features M-LOK slots at the 3, 6 and 9 o'clock positions along with a full-length 20mm Picatinny upper rail which meets your receiver rail seamlessly.
Also on board are QD sling sockets, one on each side, positioned close to the receiver to prevent sling snags with handguard-mounted accessories. Compatibility-wise, this handguard should fit almost every M4/AR-15 AEG and GBBR on the market and should also fit AR-9 platforms which use standard TM-spec upper receiver threads.
Please note: You will need an M4/AR-15 Armourers' Wrench to install this handguard. If you don't already have one, pick one up here: FMA Steel Armourers' Wrench for M4/AR-15 | S&T Armament M4/AR-15 Barrel Nut Tool
- CNC 7075 Aluminium housing
- Type D Pinion gear included
- Long Shaft - For M4, P90, SMG-5 & G3 AEGs
If you're looking for a beast of a motor to top off your custom build, the Warhead Industries Vanguard Brushless Motor; Long Shaft is a solid choice. The latest in a long line of Warhead Brushless Motors, the Vanguard boasts a CNC 7075 aluminium housing, a new ESC module and is designed to be customised thanks to its removable and replaceable motor shaft and future-proofed housing design.
Newly added to the Warhead Brushless formula are the "Top Screw" and "Side Screws", allowing you to perfectly adjust motor height regardless of your choice of replica or grip, eliminating all lateral movement of the motor for maximum efficiency and minimum wear. The Vanguard also makes use of medical-grade magnets never before used in an Airsoft motor, along with a dense stator winding and a minimal air gap between magnets, resulting in unrivalled torque and speed.
By default, this variant of the Vanguard is set up as a "Long Shaft" motor, packaged with a Type-D pinion gear and pinion spring. If you're the techy type, you aren't fixed to this, thanks to Warhead's innovative swappable shaft system, meaning you can switch between long and short shafts for different builds, along with Type-D or Type-O pinion gears.
Being a powerful brushless motor, you'll have to be ready to upgrade your gearbox to handle this beast, or consult a tech who knows what they're doing. An incredible piece of kit which furthers Warhead's brushless advantage, the Vanguard Brushless Motor; Long Shaft is the icing on the cake of any high-performance AEG build!
- Steel construction
- Holds the gearbox securely
- For Delta Armory STRIBOG™ AEGs
If you've misplaced your STRIBOG gearbox pin, this will solve that! The Delta Armory Gearbox Pin for STRIBOG™ AEGs is a replacement original part for the Delta Armory STRIBOG™ AEG, compatible with both the ALPHA™ and CHARLIE™ models.
This steel pin holds the gearbox securely inside the receiver, ensuring it aligns well with the HOP-up unit. While your STRIBOG may still run with this pin missing, it won't be at its best, and the gearbox may walk out of alignment, putting extra stress on your air nozzle. Whether your receiver pin has already gone walkies or you want to keep your STRIBOG in tip-top condition, this pin is a great spare to have handy!
- Aluminium construction
- Replacement original parts
- For Delta Armory STRIBOG™ AEGs
If you've been working on your STRIBOG™ and lost the bolt catch to the carpet monster, this should solve that! The Delta Armory Bolt Catch Assembly for STRIBOG™ AEGs is a factory-original replacement parts set, including the entire bolt catch assembly. Compatibility-wise, this is strictly for Delta's STRIBOG™ AEGs and will fit both the ALPHA™ and CHARLIE™ versions
- Alloy construction
- Original replacement part
- For Delta Armory STRIBOG™ AEG
Whether you've lost your STRIBOG's mag release or damaged it in battle, the Delta Armory Magazine Release Assembly for STRIBOG™ AEG is the fix you need. A factory-original replacement parts set for the ALPHA™ and CHARLIE™ STRIBOG AEGs from Delta Armory, this set includes the mag release paddle, buttons and spring.
- CNC Aluminium construction
- Replacement original part
- For Delta Armory STRIBOG™ AEG
If you've misplaced your STRIBOG charging handle, this is what you need to make it right. The Delta Armory Charging Handle for STRIBOG™ AEG is a factory-original replacement part for the STRIBOG™ AEG, compatible with both the ALPHA™ and CHARLIE™ versions. The charging handle is made from robust CNC aluminium, just like the original.
- Alloy construction
- Replacement original part
- For Delta Armory STRIBOG™ AEGs
If you've damaged or misplaced your Stribog outer barrel, the Delta Armory Alloy Outer Barrel for STRIBOG™ AEGs is the original replacement you need. Made from aluminium alloy with 14mm CCW male threading at the tip, this outer barrel fits both the ALPHA™ and CHARLIE™ variants of Delta's STRIBOG™ AEG.
The set includes the outer barrel tube and the grub screw required to secure it, but does not include the outer barrel base.
- Alloy construction
- Replacement original part
- For CYMA CM.099 VSS Vintorez AEGs
If you're running a CYMA CM.099 and the receiver is scratched up, this original replacement is the way to refresh it. The CYMA Metal Lower Receiver for CM.099 VSS Vintorez AEGs is a factory original replacement part for the CM.099 VSS Vintorez, a lower receiver assembly made from alloy.
The assembly includes an AK-style side rail on the left side and is cast as a single piece. No controls or trim parts are included, so make sure you have these handy from your original VSS. This part is strictly for the CYMA CM.099 and isn't compatible with the LCT or King Arms VSS.
- Alloy construction
- For MP5K / CM.041L AEGs
- Modification may be required
If your CM.041L receiver is looking a bit tired, this replacement will have it looking fresh again! The CYMA Metal Upper Receiver for CM.041L MP5K AEGs is a factory-original replacement part for the CYMA CM.041L MP5K AEG. It may fit other MP5K AEGs based on the original TM design, but will likely require modification, so have your tools handy.
Like the original CM.041L receiver, this alloy receiver features H&K claw mount lugs built in, allowing you to add a 20mm Picatinny rail mount and use optical sights. The set includes the upper receiver alone, so make sure you've got your trim parts from your original MP5K to complete the build.
- For V2 gearbox
- Programmable fire modes
- Compatible with brushless motors
If you're looking to unlock the full potential of your Version 2 gearbox, the Perun V2 Lightning MOSFET is one of the most advanced electronic trigger units available. Replacing the standard mechanical trigger contacts with a combination of optical and magnetic sensors, it delivers exceptional reliability, lightning-fast trigger response and an impressive range of programmable features. Compatible with most Tokyo Marui-spec V2 gearboxes, the V2 Lightning works with both brushed and brushless motors, supports DSG builds and accepts batteries from 7V to 17V.
One of the standout features is Perun's adaptive trigger control, allowing trigger sensitivity to be adjusted from an incredibly short pull to a longer, more traditional feel without modifying your trigger or gearbox. It also supports Perun's Clicker V2 and other accessories, making it the ideal foundation for a fully customised trigger setup. A magnetic sensor provides reliable fire mode detection, while the included selector plate, calibration function and installation accessories make fitting straightforward in the vast majority of V2 platforms.
Packed with advanced programming options, the V2 Lightning includes adjustable active braking, adaptive precocking, programmable selector modes, binary trigger, two-stage trigger functionality, burst fire, rate-of-fire reduction and DMR mode. Each selector position can be configured independently, allowing combinations such as Safe/Semi, Semi/Binary or Burst/Auto to suit your playstyle. Whether you're building a lightning-fast CQB rifle, a competition speedsoft setup or a precision DMR, the Perun V2 Lightning provides the performance, reliability and customisation needed to take your Airsoft replica to the next level.
- 6.02mm Precision barrel
- Stainless steel construction
- AEG Barrel cut - Fits most Airsoft AEGs
If you want to improve your AEGs accuracy, range and consistency, a barrel upgrade is a great start! The Specna Arms 6.02mm Steel Tightbore Inner Barrel promises to be an improvement even over stock 6.03mm brass tightbore barrels and its stainless steel construction makes it far more rigid and less prone to bends than other brass and aluminium barrels.
This barrel is cut for standard Airsoft AEGs and should fit most of them, though we suggest referring to the product description of your gun to find out what length you need. The standard AEG barrel cuts mean you can use this precision barrel with standard AEG HOP-up buckings, HOP-up nubs and HOP-up units, meaning all your existing parts should fit and plenty of opportunities to pair this barrel with other accuracy upgrades. If accuracy is a priority for you this upgraded barrel is a must!
- 6.02mm Precision barrel
- Stainless steel construction
- AEG Barrel cut - Fits most Airsoft AEGs
If you want to improve your AEGs accuracy, range and consistency, a barrel upgrade is a great start! The Specna Arms 6.02mm Steel Tightbore Inner Barrel promises to be an improvement even over stock 6.03mm brass tightbore barrels and its stainless steel construction makes it far more rigid and less prone to bends than other brass and aluminium barrels.
This barrel is cut for standard Airsoft AEGs and should fit most of them, though we suggest referring to the product description of your gun to find out what length you need. The standard AEG barrel cuts mean you can use this precision barrel with standard AEG HOP-up buckings, HOP-up nubs and HOP-up units, meaning all your existing parts should fit and plenty of opportunities to pair this barrel with other accuracy upgrades. If accuracy is a priority for you this upgraded barrel is a must!
- 6.02mm Precision barrel
- Stainless steel construction
- AEG Barrel cut - Fits most Airsoft AEGs
If you want to improve your AEGs accuracy, range and consistency, a barrel upgrade is a great start! The Specna Arms 6.02mm Steel Tightbore Inner Barrel promises to be an improvement even over stock 6.03mm brass tightbore barrels and its stainless steel construction makes it far more rigid and less prone to bends than other brass and aluminium barrels.
This barrel is cut for standard Airsoft AEGs and should fit most of them, though we suggest referring to the product description of your gun to find out what length you need. The standard AEG barrel cuts mean you can use this precision barrel with standard AEG HOP-up buckings, HOP-up nubs and HOP-up units, meaning all your existing parts should fit and plenty of opportunities to pair this barrel with other accuracy upgrades. If accuracy is a priority for you this upgraded barrel is a must!
- 6.02mm Precision barrel
- Stainless steel construction
- AEG Barrel cut - Fits most Airsoft AEGs
If you want to improve your AEGs accuracy, range and consistency, a barrel upgrade is a great start! The Specna Arms 6.02mm Steel Tightbore Inner Barrel promises to be an improvement even over stock 6.03mm brass tightbore barrels and its stainless steel construction makes it far more rigid and less prone to bends than other brass and aluminium barrels.
This barrel is cut for standard Airsoft AEGs and should fit most of them, though we suggest referring to the product description of your gun to find out what length you need. The standard AEG barrel cuts mean you can use this precision barrel with standard AEG HOP-up buckings, HOP-up nubs and HOP-up units, meaning all your existing parts should fit and plenty of opportunities to pair this barrel with other accuracy upgrades. If accuracy is a priority for you this upgraded barrel is a must!
- 6.02mm Precision barrel
- Stainless steel construction
- AEG Barrel cut - Fits most Airsoft AEGs
If you want to improve your AEGs accuracy, range and consistency, a barrel upgrade is a great start! The Specna Arms 6.02mm Steel Tightbore Inner Barrel promises to be an improvement even over stock 6.03mm brass tightbore barrels and its stainless steel construction makes it far more rigid and less prone to bends than other brass and aluminium barrels.
This barrel is cut for standard Airsoft AEGs and should fit most of them, though we suggest referring to the product description of your gun to find out what length you need. The standard AEG barrel cuts mean you can use this precision barrel with standard AEG HOP-up buckings, HOP-up nubs and HOP-up units, meaning all your existing parts should fit and plenty of opportunities to pair this barrel with other accuracy upgrades. If accuracy is a priority for you this upgraded barrel is a must!
- 6.02mm Precision barrel
- Stainless steel construction
- AEG Barrel cut - Fits most Airsoft AEGs
If you want to improve your AEGs accuracy, range and consistency, a barrel upgrade is a great start! The Specna Arms 6.02mm Steel Tightbore Inner Barrel promises to be an improvement even over stock 6.03mm brass tightbore barrels and its stainless steel construction makes it far more rigid and less prone to bends than other brass and aluminium barrels.
This barrel is cut for standard Airsoft AEGs and should fit most of them, though we suggest referring to the product description of your gun to find out what length you need. The standard AEG barrel cuts mean you can use this precision barrel with standard AEG HOP-up buckings, HOP-up nubs and HOP-up units, meaning all your existing parts should fit and plenty of opportunities to pair this barrel with other accuracy upgrades. If accuracy is a priority for you this upgraded barrel is a must!
- 6.02mm Precision barrel
- Stainless steel construction
- AEG Barrel cut - Fits most Airsoft AEGs
If you want to improve your AEGs accuracy, range and consistency, a barrel upgrade is a great start! The Specna Arms 6.02mm Steel Tightbore Inner Barrel promises to be an improvement even over stock 6.03mm brass tightbore barrels and its stainless steel construction makes it far more rigid and less prone to bends than other brass and aluminium barrels.
This barrel is cut for standard Airsoft AEGs and should fit most of them, though we suggest referring to the product description of your gun to find out what length you need. The standard AEG barrel cuts mean you can use this precision barrel with standard AEG HOP-up buckings, HOP-up nubs and HOP-up units, meaning all your existing parts should fit and plenty of opportunities to pair this barrel with other accuracy upgrades. If accuracy is a priority for you this upgraded barrel is a must!
- 6.02mm Precision barrel
- Stainless steel construction
- AEG Barrel cut - Fits most Airsoft AEGs
If you want to improve your AEGs accuracy, range and consistency, a barrel upgrade is a great start! The Specna Arms 6.02mm Steel Tightbore Inner Barrel promises to be an improvement even over stock 6.03mm brass tightbore barrels and its stainless steel construction makes it far more rigid and less prone to bends than other brass and aluminium barrels.
This barrel is cut for standard Airsoft AEGs and should fit most of them, though we suggest referring to the product description of your gun to find out what length you need. The standard AEG barrel cuts mean you can use this precision barrel with standard AEG HOP-up buckings, HOP-up nubs and HOP-up units, meaning all your existing parts should fit and plenty of opportunities to pair this barrel with other accuracy upgrades. If accuracy is a priority for you this upgraded barrel is a must!
- 6.02mm Precision barrel
- Stainless steel construction
- AEG Barrel cut - Fits most Airsoft AEGs
If you want to improve your AEGs accuracy, range and consistency, a barrel upgrade is a great start! The Specna Arms 6.02mm Steel Tightbore Inner Barrel promises to be an improvement even over stock 6.03mm brass tightbore barrels and its stainless steel construction makes it far more rigid and less prone to bends than other brass and aluminium barrels.
This barrel is cut for standard Airsoft AEGs and should fit most of them, though we suggest referring to the product description of your gun to find out what length you need. The standard AEG barrel cuts mean you can use this precision barrel with standard AEG HOP-up buckings, HOP-up nubs and HOP-up units, meaning all your existing parts should fit and plenty of opportunities to pair this barrel with other accuracy upgrades. If accuracy is a priority for you this upgraded barrel is a must!
- 6.02mm Precision barrel
- Stainless steel construction
- AEG Barrel cut - Fits most Airsoft AEGs
If you want to improve your AEGs accuracy, range and consistency, a barrel upgrade is a great start! The Specna Arms 6.02mm Steel Tightbore Inner Barrel promises to be an improvement even over stock 6.03mm brass tightbore barrels and its stainless steel construction makes it far more rigid and less prone to bends than other brass and aluminium barrels.
This barrel is cut for standard Airsoft AEGs and should fit most of them, though we suggest referring to the product description of your gun to find out what length you need. The standard AEG barrel cuts mean you can use this precision barrel with standard AEG HOP-up buckings, HOP-up nubs and HOP-up units, meaning all your existing parts should fit and plenty of opportunities to pair this barrel with other accuracy upgrades. If accuracy is a priority for you this upgraded barrel is a must!
- 6.02mm Precision barrel
- Stainless steel construction
- AEG Barrel cut - Fits most Airsoft AEGs
If you want to improve your AEGs accuracy, range and consistency, a barrel upgrade is a great start! The Specna Arms 6.02mm Steel Tightbore Inner Barrel promises to be an improvement even over stock 6.03mm brass tightbore barrels and its stainless steel construction makes it far more rigid and less prone to bends than other brass and aluminium barrels.
This barrel is cut for standard Airsoft AEGs and should fit most of them, though we suggest referring to the product description of your gun to find out what length you need. The standard AEG barrel cuts mean you can use this precision barrel with standard AEG HOP-up buckings, HOP-up nubs and HOP-up units, meaning all your existing parts should fit and plenty of opportunities to pair this barrel with other accuracy upgrades. If accuracy is a priority for you this upgraded barrel is a must!
- 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.
- Stainless Steel
- 6.03mm Tight Bore
- Increased Performance
An upgrade Airsoft 6mm BB Gun inner Barrel which is compatible with Airsoft AEG Barrel Compatible Hop-Up units.
Level up your AEG and get CQB ready
Browse our full spectrum of AEG internal parts, including P90 parts that allow you to upgrade your electric SMG, as well as parts suitable for AEP mods and more.
From steel airsoft motors to electric triggers, we only ever stock named brands we’ve tried and tested ourselves. Plus, if you want to make some changes to your airsoft gun, our expert technical team will be happy to support you - simply get in touch with us and let us know what you need.
Our collection of airsoft upgrades is second to none, so why shop anywhere else? Browse online today for next day delivery.





















