- Full Alloy Build
- 20mm RIS / RAS
- Railed Top Cover
A replacement dust cover for the top of CYMA CM.040 AK47 Variant Rifles, designed to add a top 20mm RIS / RAS Rail for the attachment of Sights and Scopes without the use of a Side Scope Mount.
- Alloy construction
- Replacement original part
- For Delta Armory M4/AR-15 AEGs
If you've lost important parts from your mag release, this set should sort you out! The Delta Armory Magazine Release Catch for M4/AR-15 AEG is a replacement original parts set which includes the mag catch, spring and screw, though the button itself is not included. Compatibility-wise, this set is intended for Delta Amory M4/AR-15 AEG platforms but should also fit most other brands. If your mag release spring went flying or your screw got lost in the carpet, this set should get you back up and running!
- Alloy construction
- Extended design
- Original replacement part
If your Delta Armory AEG has run into some issues relating to its charging handle, do not fear, we have just the thing for you! The Delta Armory M4/AR15 AEG Extended Charging is constructed from alloy and features a steel spring for extra durability. This is an original replacement piece for your Delta Armory platform and features an extended handle design so you can better grip it when the time comes to adjust your Hop-Up unit.
If you need to fix up your old Airsoft AEGs with charging handle issues, you need the Delta Armory M4/AR15 AEG Extended Charging Handle, get your AEGs back in skirmishing condition, it's what they deserve.
- Steel construction
- Replacement original parts set
- For Delta Armory M4/AR-15 AEGs
If you've misplaced parts from your dust cover, this set should cure that! The Delta Armory Steel Dust Cover for M4/AR-15 AEGs is a replacement original part set for Delta Armory M4/AR-15 platform AEGs but should also fit most other brands, though we cannot guarantee it. The set includes the dust cover, axis pin, c-clip, and spring.
- Alloy construction
- Replacement original part
- For Delta Armory M4/AR-15 AEGs
If you've lost your bolt catch, you're in luck! The Delta Armory Mock Bolt Catch for M4/AR-15 AEGs is a replacement original part for Delta Armory M4/AR-15 AEGs but may also fit certain other brands, provided they don't have a functional bolt catch and use a bolt catch style which sits in the receiver recess and isn't retained by screws or a pin. This bolt catch is constructed from alloy and is the standard milspec design.
- Alloy build
- 20mm RIS/RAS
- Railed top cover
Constructed from lightweight alloy, the cover is easily fit by swapping it out with the original folding dust cover. With a rail measuring over 7 inches, this cover gives your AK some much-needed customisation options to which you can attach the sight or scope of your choosing. A scope can now be mounted to the very rear of your dust cover, which gives you a long sight radius.
The cover is installed in place of your rear sight by removing the rear sights' pin. Give your AK some love!
- Steel construction
- For M4/AR-15 AEG
- Replacement part
If your mock bolt has become damaged or the paint has started to wear off, you should get a new one! The Delta Armory Metal Mock Bolt For M4/AR-15 AEG is a replacement piece constructed from steel. It will fit on most common Airsoft M4/AR-15 AEGs, allowing you to smarten up your rifle receivers with brand-new shiny parts.
Don't let your mock bolt ruin your AEG's pristine aesthetic, get the Delta Armory Metal Mock Bolt For M4/AR-15 AEG so it can be shiny and brand new again!
- Steel construction
- Fits most AK47/74 AEGs
- Switch fire modes quickly and easily
If you want to take your Airsoft AK AEG to the next level and give yourself some AR-style advantages, the Enhanced Safety Lever from CYMA will speed up your weapons manipulation and make up for the AK's "retro" ergonomics. This safety lever is constructed from steel and is compatible with most Airsoft AK AEG rifles on the market, and lets you switch fire modes using the trigger finger, without removing your hand from the pistol grip.
- Extended charging handle
- With low profile selector lever
- For AAP-01 Assassin GBB pistol
Fed up with fiddling when you want to switch to fun mode? TTi have you covered with the Extended Charging Handle w/Selector Switch. This set includes an extended charging handle which mounts over the top of the AAP-01 bolt and can be installed on either side, providing a protruding trigger style handle which can be racked with a single hand. Built into the rear of the charging handle we also have a low profile rotary selector lever, which means when you want to switch fire modes its no longer necessary to lock the bolt back and waste precious seconds routing around for the switch! This would be the perfect pairing for an AAP-01 in a carbine kit!
- Alloy construction
- Body pins, bolt catch, mag release, fire selector included
- For CYMA CM.097 Platinum Edition M4/AR-15 AEG
If your CM.097 lower receiver is damaged maybe it is time to replace it with a fresh one! The CYMA Alloy Lower Receiver for CM.097 M4/AR-15 AEG is a replacement original part for the CYMA CM.097 AEG series and is constructed from alloy. The body pins are constructed from steel for maximum strength, and the fire selector markings are finished in a modern style, with coloured bullet pictograms to indicate each mode of fire.
The set includes all body pins, the fire selector, the bolt catch and the magazine release, meaning no fiddling around trying to swap the trim parts from your old receiver, just drop your gearbox straight in!
- Alloy construction
- Pins for SMG-5 receiver
- Compatible with CYMA SMG-5 AEGs
If you have been messing around with your SMG-5 AEG and you have lost your pins, CYMA has the cure! This original parts set includes 2 body pins, one for the trigger group and one for the rear receiver/stock. The pins are constructed from alloy and are compatible with CYMA SMG-5 AEGs but may also fit others, though we cannot guarantee it.
- Alloy construction
- Rear sight/trunnion block
- For CM.04x Series AKM/AK74 AEGs
If you want to restore the factory fresh look to your workhorse AK, this part may be of use. The Rear Sight Block for the CM.04x Series is an original replacement part for AKM and AK74 rifles of the CM.04x series. This part will not work on AKS-74U AEGs, but should otherwise fit AKs which use the LCT style of construction. The sight block is constructed from alloy and comes with steel pins to mount it, and includes the handguard disassembly lever but does not include the rear sight or the rear sight leaf spring. The surface finish of this part is a rough textured finish which is a close match for the hard-wearing paint applied to Russian AK variants of the 1960s and onwards.
- Polymer construction
- For CYMA AEGs with alloy receivers
- A perfect replacement piece!
If you've lost or damaged important parts from your CYMA's mag release, this should sort you out! The CYMA Bolt Catch is a replacement original part. Compatibility-wise, this set is intended for CYMA AEGs with alloy receivers, if your bolt catch got broken in a freak Airsoft accident, this set should get you back in the action!
- Alloy construction
- Set includes both selector switches
- For ARCTURUS AR15 Lite series
If you've lost a selector switch from your ARCTURUS AR15 Lite AEG, this set will sort you out! The Ambidextrous Selector Switch Set for AR15 Lite Series from ARCTURUS is an original replacement parts set specifically for the ARCTURUS AR15 Lite AEG series and is unlikely to fit other brands and models of M4 AEG.
The set includes both selector switches, the mounting bolts, the detent and detent spring, replacing the entire external selector mech of the AR15 Lite. If you had a mid-game mishap and lost a selector switch, this set will get you up and running again!
- Alloy construction
- Replacement original part
- For CYMA CM.098 series SR25 AEGs
If you've lost an SR25 selector switch, this should be helpful! The CYMA Selector Switch Set for CM.098 SR25 AEGs is a replacement original parts set for the CM.098 SR25 series and includes the left and right side selector switches, mounting screws, springs and ball bearings for that lovely "click" between modes.
The switches themselves are constructed from alloy and match the KAC-style selectors found on the CM.098 series, including the scallop on the right side selector and the undercut on the left side selector to allow for full auto fire. Selector switches are always going missing, but with this set handy, your CM.098 won't miss a beat even if the worst happens!
- Steel construction
- Extended "Tactical" design
- Select fire modes with your trigger finger!
If you want to add some tactical trimmings to your AK an extended fire selector would be a good call. The CYMA Tactical Extended Fire Selector Lever for AK47/74 AEG is constructed from stamped steel and is a modernised design with a cutout for the AK bolt handle and a ledge that can be used to select fire modes from a firing grip.
With this selector installed you no longer need to take your hand off the pistol grip to select your fire mode; simply move the new selector using the ledge and your trigger finger. This makes a massive difference when it comes to handling an AK and allows it to go toe to toe with the AR platform in ergonomics and efficiency. A perfect item for any Tactical AK or PMC style custom AK build, this selector lever not only looks super slick but also makes your AK super slick to use!
- Aluminium construction
- Textured surface for extra grip
- Compatible with Novritsch SSG10 series
If you've put a strong spring in your SSG10 and want to cock it easily, the Novritsch Enlarged Bolt Handle for SSG10 is what you need! Constructed from aluminium with a deeply textured surface, this bolt handle is designed to provide extra purchase for easier cocking and faster follow-up shots.
The Enlarged Bolt Handle is also shaped to provide clearance for any optical sight you may have mounted, avoiding smashing your knuckles on your scope when working in a hurry. Whether you need more grip on your SSG10 for wet weather skirmishes or faster follow up shots the Novritsch Enlarged Bolt Handle is ideal for the job!
- Aluminium construction
- Licenced by Daniel Defense
- Fits most M4/AR-15 AEGs
If your M4/AR-15 AEG needs a high-end makeover, the EMG Daniel Defense DD4™ RIII™ Metal Receiver for M4/AR-15 AEG is what it needs! Styled to match the receiver of the latest real steel Daniel Defence DD4™ RIII™ rifles, this receiver is made from flawlessly machined aluminium with an anodised surface finish to guarantee it maintains its good looks in the long term!
The set includes the upper receiver, lower receiver, front and rear body pins, an ambidextrous Grip-N-Rip® charging handle with mock bolt and a Daniel Defense marked polymer dust cover, completing the elite DD look. The upper receiver features DD4™ RIII™ markings prominently engraved and the right side of the magazine well includes realistic Daniel Defense roll marks, just like the real thing. As we might expect, the upper receiver also includes a 20mm Picatinny rail, ready for your choice of optical sight.
This receiver is designed to fit M4/AR-15 AEGs and should fit most standard non-ambidextrous version 2 gearbox internals, making it the ideal way to style up your boring M4! The rear includes the standard AEG buffer tube mounting lug and the front features standard receiver threading; compatible with a wide range of barrel nuts and handguards so you can get the look you need. Whether you've got a polymer M4 that needs a realism boost or you want a bit of that in-vogue DD flair for your platform without buying a new gun, the EMG Daniel Defense DD4™ RIII™ Metal Receiver for M4/AR-15 AEG is a slick piece of kit!
- CNC Aluminium construction
- Left side charging handle
- For Novritsch SSP5 GBB pistol
If you want to set your SSP5 up for competition shooting or speed up its handling in general, the Novritsch SSP5 Charging Handle would be a great upgrade. This charging handle mounts in place of the rear sight, making it ideal for red dot equipped setups, allowing you to manipulate the slide far quicker and easier than before. This is the Left Side charging handle variant, meaning it protrudes to the left side of the pistol, perfect for right-handed shooters.
Whether you use your SSP5 as a primary weapon or as a steel shooting beast in AIPSC, this charging handle will change the way you use the platform and make racking the slide after a reload far easier and more intuitive than ever before. Weighing in a minuscule 5g, this won't slow your SSP5 down one bit!
- Fancy selector
- For M4/AR15 AEG
- Includes spring and detent
If you want to style up your M4/AR15 with some interesting small parts, starting with the fire selector isn't a bad shout! Introducing the Custom Safety Selector from Big Dragon, a stylish modern selector moulded from polymer, with an enlarged design and grooves for additional grip which guarantees you won't slip off the selector at a critical moment! This selector could be the icing on the cake that is your latest high-speed M4 build, and provides a vast improvement over standard M4/AR15 selector levers.
- Alloy construction
- Replacement lower receiver
- For ARCTURUS M4/AR15 AEG
If you have had a mishap and scratched the lower receiver of your ARCTURUS full metal M4 platform we have just what you need to make it pretty again! The ARCTURUS alloy Lower Receiver For M4/AR15 AEG is an original replacement part for the ARCTURUS full metal M4 AEG series intended to replace a scratched or otherwise damaged lower. The lower receiver doesn't include any of the controls, body pins or trim parts so you will need these parts from your original lower to complete it.
Compatibility wise this part is intended only for the ARCTURUS full metal M4/AR15 AEG line and is unlikely to work with other brands' upper receivers.
- Aluminium construction
- Enlarged bolt handle - Easy to grab
- For Tokyo Marui VSR-10 sniper rifle & clones
If you are upgrading your VSR platform sniper rifle to the max an enlarged bolt handle can help when it comes to pulling back a mighty upgraded spring! With this in mind, Laylax conceived the PSS NEO Bolt Handle, designed for use with the Tokyo Marui VSR-10. This bolt handle should also fit VSR-10 clone sniper rifles but as with any upgrade parts, modification may be necessary.
The bolt handle and base are constructed from aluminium and the bolt handle has machined grooves to make it easier to grip in wet weather. The bolt handle is also at a turned-down angle to ensure it clears your scope, no matter how big it is. Marked on the handle and base are helpful instructions on how to use your rifle, in case you hadn't already figured that out! The laser engravings read "1 LIFT THE BOLT HANDLE" "2 PULL >>>>>>" and "3 FIRE". Thanks for the help, Laylax!
- High density polymer construction
- Replacement original parts set
- For Double Bell BY-804 & BY-805 SCAR-H
If you've had a mid-skirmish mishap and lost a fire selector, this set should sort you out! The Double Bell Selector Lever Set for SCAR-H is a replacement original parts set for the BY-804 and BY-805 SCAR-H AEG, including a pair of selector levers, two mounting screws and a pair of springs.
Compatibility-wise, this will likely only fit the Double Bell SCAR-H AEG and won't work with the Double Bell SCAR-L or other brands of SCAR AEG. Anyone who has taken a SCAR apart before knows how easy it is to lose selector parts to the carpet monster; with this set handy, you have no need to worry!
- Alloy construction
- Replacement original part
- For Army Armament R601 JW3 Hi-Capa
If you've lost your JW3 mag release, you're in luck! The Army Armament Magazine Release for R601 JW3 Hi-Capa GBB Pistols is a replacement original part for the R601 JW3 Hi-Capa GBB but should fit other Hi-Capa GBB pistols, potentially requiring modification.
The mag release is constructed from alloy and is an extended design, meaning faster reloads and easy access for those with smaller hands. If you want an easy to reach mag release for your Army Armament Hi-Capa or you've been doing some mods and lost your JW3 mag release, this should sort you out!
- Aluminium construction
- For M4/AR-15 AEG & GBBR
- Makes bolt catch reloads faster and looks slick!
If you run a GBBR M4/AR-15 and you want an easy way to improve your weapons handling, the Aluminium BAD lever for M4/AR-15 from Big Dragon is what you need! This device attaches to the bolt release catch on the left side of the receiver and allows you to drop the bolt after a reload without having to hit the ping pong paddle, instead you press this lever with your trigger finger. The BAD (Battery Assist Device) also allows you to lock the bolt to the rear without taking your hand off the pistol grip with a push upwards on the lever when the charging handle is pulled back.
AEG users need not feel left out; the BAD can still be mounted to your AEG, but more as an aesthetic touch to mimic real world customised ARs. Compatibility wise, this device may need modification or shimming for a tight fit on any specific platform, so we only recommend this part for experienced users.
- Durable
- Light Weight
- Easy Install
The infamous and on high demand end cap. Order it with your body or just as a accessory on your build.
- Durable
- Light Weight
- Easy Install
The infamous and on high demand end cap. Order it with your body or just as a accessory on your build.
- Durable
- Light Weight
- Easy Install
The infamous and on high demand end cap. Order it with your body or just as a accessory on your build.
- Durable
- Light Weight
- Easy Install
The infamous and on high demand end cap. Order it with your body or just as a accessory on your build.
- Durable
- Light Weight
- Easy Install
The infamous and on high demand end cap. Order it with your body or just as a accessory on your build.
About Our Airsoft Receiver Parts
Here at Patrol Base UK, we have a range of airsoft receivers and receiver parts that make great spares or replacements. They’re also perfect for those looking to upgrade their Airsoft assault rifle with something a little more fancy.
From MP5, M15 and M4 receiver parts to bobby pins and changing handles, we have everything you need to deck out your weapon. Speed up the mag release on your M4 receiver, swap out your old receiver for something more lightweight, or simply add core parts to your replica.
If you’re working on creating a customised replica, take a look at our entire Airsoft attachments and accessories offering, where you’ll find everything from M4 stocks to KeyMod rails.