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£7.99
  • Replaces Ironsight
  • 2'' Rail Segment
  • 20mm RIS / RAS


Designed to be fit onto the Action Army AAP-01 Gas Blowback Airsoft Pistol this rail works by replacing the rear ironsight with a 20mm RIS / RAS rail capable of attaching various aftermarket 20mm compatible dot and holographic Airsoft Sights. The rail allows you to configure the pistol to your needs, allowing you to add a dot / dr sight for quick target acquisition giving you a tactical edge over enemy players. The rail is constructed from heavy duty polymers and uses the existing screws which secure the rear sight in place.

This rail is perfect for those who have already purchased the AAP-01, or who are looking to do so in the future. We would highly recommend the rail to anyone who wants to take their pistol to the next level, or for those who use their pistol in CQB and want to attach an aftermarket sight.

£11.99
  • For AAP-01
  • Ideal Spare
  • Loading Nozzle

A Polymer constructed Gas/Loading Nozzle for the Action Army AAP-01 Assassin Gas Blowback Airsoft Pistol, which is an ideal spare part to own, and is absolutely vital to the function of the Pistol. If you plan on using Full Auto a lot, then a Spare Nozzle is a must-have, as you don't want to be caught out come skirmish day.

£13.99
  • For AAP-01
  • Ideal Spare
  • Fix Gas Mags

A replacement or spare Outlet / Knocker Valve for the Action Army AAP-01 Assassin Pistol. If you own plenty of Magazines and want to keep them in tip-top condition, then you're going to want a few Knocker Valves spare in your arsenal. They are incredibly easy to install, provided you have an appropriate Valve Key on standby. You can use other tools to install them, but this is not recommended as you could damage the Valve.

£24.99
  • 23rnd Capacity
  • For AAP-01 Pistol
  • Green Gas Magazine

This is a spare or replacement Gas Magazine for the Action Army AAP-01 Assassin Pistol, that holds a total of 23rnds and is based on the EU Series design. It is filled with BBs and Gas just like any other Pistol Magazine, using a Speedloader to feed BBs in through the feed lips, or holding down the follower to fill the BBs from the bottom of the Magazine. The Inlet Valve on the base of the Magazine is where you should insert your Green Gas bottle to fill it.

If you own an AAP-01 Assassin and want to spend more time dumping magazines on Full Auto, and less time fumbling around with a Speedloader, then you will need a backlog of Spare Magazines.

£9.99
  • AAP-01 Pistol Rail Set
  • Front Lower Rail
  • Top Sight Rail


Designed to be fit onto the Action Army AAP-01 Gas Blowback Airsoft Pistol this rail set allows you to attach aftermarket sights, as well as various aftermarket attachments which are compatible with 20mm RIS / RAS Rails. The rails attach to the pistol using the existing mounting holes on the top and front lower of the pistol in its default configuration, allowing you to further personalise and customise the pistol to suit your needs. The rails are constructed from heavy duty polymers and come with all the screws required for fitting.

This set is perfect for those who have already purchased the AAP-01, or who are looking to do so in the future. This is a must have kit for anyone who regularly skirmishes with the gun in order to take it to the next level by allowing the attachment of red dot sights, holographic sights, grips, and for those that way inclined: launchers.

£14.99
  • For AAP-01
  • 14mm CCW
  • Shorten Barrel

This Alloy constructed Adapter is designed for the Action Army AAP-01 Assassin GBB Pistol, and serves to completely shorten your Outer Barrel, by replacing it with this Adapter. This will give you a 14mm CCW Thread right at the front of the Receiver, allowing you to create an incredibly compact Pistol.

From £74.99
  • Highly Customisable
  • EU Series Magazines
  • Amazing Gas Efficiency

NEXT DELIVERY DECEMBER 2020, CLICK EMAIL BACK INSTOCK TO NOT MISS OUT!

The Action Army AAP-01 Assassin GBB Pistol already has an almost cult following already, and for great reason! This Airsoft Pistol offers incredible performance (especially in cold weather), an absolutely massive backlog of compatible accessories and upgrades, accepts incredibly common EU Series Magazines and is sold at an amazingly competitive price. We may say this a lot, but trust us when we tell you that "you don't want to miss this."

Take your AAP-01 to the next level with upgrades and parts available directly from Patrol Base!

We have the largest selection of aftermarket parts and accessories for the Airsoft AAP-001 Gas Blowback Airsoft pistol here at Patrol Base.

Want to get the gun to your door as soon as possible? We offer Next Day rapid delivery to mainland UK addresses so you don't have to wait to play, allowing you to get your pistol ready for the next skirmish.