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From £339.99
  • Ultra-realistic GBB rifle
  • Full Metal Construction
  • Ambidextrous controls

If you have been looking to take the realism of your Airsofting experience to the next level, look no further! This GBBR by Golden Eagle provides heightened realism over any AEG with its reciprocating full-sized bolt carrier, soul shattering recoil and realistic bolt hold-open function, all at a price point unheard of for a Gas Blowback rifle. Complete with a military styled MK18 rail system, this rifle has all the rails you'll need to style it up to your liking!

This GBBR is now officially licenced by Daniel Defense through EMG in its latest version, further details on this are to come, but look at those gorgeous DD trademarks! 

From £539.99
  • Full metal construction
  • TM ZET System clone - Made by CGS
  • Licenced Daniel Defense trademarks from EMG

If you love the military look and like to dabble in GBBRs, the EMG CGS Daniel Defense DDMK18 GBBR should suit you perfectly. This full metal GBBR is licenced by Daniel Defense through EMG, boasting immaculate engraved trademarks across the design, and is based on the much-lauded Tokyo Marui ZET System internally, which is excellent news! 

The ZET system is widely regarded as the best GBBR internal system around, and CGS (CYMA Gas System) has made it even better, throwing in a generous complement of steel parts including the bolt carrier, trigger group and bolt catch. This means a longer lifespan than rival GBBRs and heavier recoil thanks to the added mass from the steel bolt carrier. Also inside is a 6.04mm tightbore inner barrel, a nice deal sweetener that improves gas efficiency and accuracy. If you've been weighing up getting into the GBBR game but the cost of fully upgrading a ZET System puts you off, this one has all the steel parts built in!

From £539.99
  • Full metal construction
  • TM ZET System clone - Made by CGS
  • Licenced Daniel Defense trademarks from EMG

If you love the military look and like to dabble in GBBRs, the EMG CGS Daniel Defense DDMK18 GBBR should suit you perfectly. This full metal GBBR is licenced by Daniel Defense through EMG, boasting immaculate engraved trademarks across the design, and is based on the much-lauded Tokyo Marui ZET System internally, which is excellent news! 

The ZET system is widely regarded as the best GBBR internal system around, and CGS (CYMA Gas System) has made it even better, throwing in a generous complement of steel parts including the bolt carrier, trigger group and bolt catch. This means a longer lifespan than rival GBBRs and heavier recoil thanks to the added mass from the steel bolt carrier. Also inside is a 6.04mm tightbore inner barrel, a nice deal sweetener that improves gas efficiency and accuracy. If you've been weighing up getting into the GBBR game but the cost of fully upgrading a ZET System puts you off, this one has all the steel parts built in!

From £419.99
  • Full metal construction
  • G&G's Unique GBBR system
  • Awesome gas efficiency, ambi controls!

If you've been umming and ahhing about a GBBR but the technical aspects put you off, the G&G MGCR 556 GBB Rifle should give you what you need! This superbly designed gas blowback rifle works just like the real thing when it comes to handling and manipulation but is considerately designed on the inside to ensure it outlasts rival platforms, both in its lifespan and in its cold weather performance.

Externally, the MGCR is a unique design from G&G based on the M4/AR-15 shape but considerably enhanced with a weight-reduced receiver, enlarged ambidextrous controls and a lightweight M-LOK handguard for all your mission essential accessories. The stock depends on which length variant you choose, but all are equipped with internal storage compartments for snacks or batteries and QD sling sockets on either side. Make no mistake, from an external design standpoint, this AR is at the cutting edge!

Inside, we are treated to internals we will probably never need to touch, including an ultra-light aluminium bolt carrier tipping the scales at a mere 108g with the nozzle, a built-in buffer system disguised as a gas piston to reduce wear from the bolt carrier impacting the HOP-up unit and full steel trigger components, including the trigger, sear, hammer, disconnector and valve knocker, with a steel bolt catch thrown in for good measure. Experienced GBBR users will know, when it comes to essential steel GBBR internals, the MGCR ticks all the boxes!

From £459.99
  • Full metal construction
  • G&G's Unique GBBR system
  • Awesome gas efficiency, ambi controls!

If you've been umming and ahhing about a GBBR but the technical aspects put you off, the G&G MGCR 556 GBB Rifle should give you what you need! This superbly designed gas blowback rifle works just like the real thing when it comes to handling and manipulation but is considerately designed on the inside to ensure it outlasts rival platforms, both in its lifespan and in its cold weather performance.

Externally, the MGCR is a unique design from G&G based on the M4/AR-15 shape but considerably enhanced with a weight-reduced receiver, enlarged ambidextrous controls and a lightweight M-LOK handguard for all your mission essential accessories. The stock depends on which length variant you choose, but all are equipped with internal storage compartments for snacks or batteries and QD sling sockets on either side. Make no mistake, from an external design standpoint, this AR is at the cutting edge!

Inside, we are treated to internals we will probably never need to touch, including an ultra-light aluminium bolt carrier tipping the scales at a mere 108g with the nozzle, a built-in buffer system disguised as a gas piston to reduce wear from the bolt carrier impacting the HOP-up unit and full steel trigger components, including the trigger, sear, hammer, disconnector and valve knocker, with a steel bolt catch thrown in for good measure. Experienced GBBR users will know, when it comes to essential steel GBBR internals, the MGCR ticks all the boxes!

From £559.99
  • Full metal construction
  • TM ZET System clone - Made by CGS
  • Licenced Daniel Defense trademarks from EMG

If you seek the immersive firing experience and challenging playstyle of a GBBR, the EMG CGS Daniel Defense DDM4® PDW SBR GBBR is worthy of your attention! This compact full metal PDW style AR boasts official licensing from Daniel Defense and full DD trademarks across the design, with awesome replicas of DD's latest furniture and controls.

Inside, the DDM4 PDW GBBR is based on the Tokyo Marui ZET system, the best of the best when it comes to GBBR internal design. CGS has added a steel bolt carrier, steel trigger parts and a short stroked buffer into the mix, meaning enhanced strength in all the key areas and an absolutely killer rate of fire, especially compared with other GBBRs.

If you plan to use a GBBR in CQB skirmishes, this is probably the best option out there right now without spending thousands and building it yourself. Licenced trademarks, a full metal build packed with steel internal parts with a 6.03mm tightbore to top it off, you won't find another out-of-the-box GBBR with a full-size rifle style bolt as fast as this!

From £569.99
  • Full metal construction
  • TM ZET System clone - Made by CGS
  • Licenced Daniel Defense trademarks from EMG

If you seek the immersive firing experience and challenging playstyle of a GBBR, the EMG CGS Daniel Defense DDM4® PDW SBR GBBR is worthy of your attention! This compact full metal PDW style AR boasts official licensing from Daniel Defense and full DD trademarks across the design, with awesome replicas of DD's latest furniture and controls.

Inside, the DDM4 PDW GBBR is based on the Tokyo Marui ZET system, the best of the best when it comes to GBBR internal design. CGS has added a steel bolt carrier, steel trigger parts and a short stroked buffer into the mix, meaning enhanced strength in all the key areas and an absolutely killer rate of fire, especially compared with other GBBRs.

If you plan to use a GBBR in CQB skirmishes, this is probably the best option out there right now without spending thousands and building it yourself. Licenced trademarks, a full metal build packed with steel internal parts with a 6.03mm tightbore to top it off, you won't find another out-of-the-box GBBR with a full-size rifle style bolt as fast as this!

From £529.99
  • Full metal construction
  • TM ZET System clone - Made by CGS
  • Licenced Noveske trademarks from EMG

Yet another officially licenced Noveske GBBR from EMG, aren't we lucky! This is the CGS Version of the Noveske 10.5" Gen.3 Shorty 300BLK GBBR, manufactured by CYMA's GBBR wing, known as CGS (CYMA Gas System). Based on the TM ZET System internally but with loads of steel internal parts thrown in, this is one of the best GBBR buys out there currently, and that is unlikely to change!

Being based on a TM design, this thing will shoot like a beast, and on the outside, things are even more spectacular. Boasting licenced Noveske Rifleworks trademarks across the design, full metal construction and flawless attention to detail make the CGS Noveske 10.5" Gen.3 Shorty 300BLK GBBR the ideal primary for any skirmisher who likes the challenge of running a GBBR in game and appreciates the high levels of authenticity and realism EMG provides. Whether this will add to your GBBR collection or you have decided it is time to move up to the most challenging yet rewarding platform in Airsoft, the EMG CGS Noveske 10.5" Gen.3 Shorty 300BLK GBBR will see you well equipped!

From £539.99
  • Full metal construction
  • TM ZET System clone - Made by CGS
  • Licenced Noveske trademarks from EMG

Yet another officially licenced Noveske GBBR from EMG, aren't we lucky! This is the CGS Version of the Noveske 10.5" Gen.3 Shorty 300BLK GBBR, manufactured by CYMA's GBBR wing, known as CGS (CYMA Gas System). Based on the TM ZET System internally but with loads of steel internal parts thrown in, this is one of the best GBBR buys out there currently, and that is unlikely to change!

Being based on a TM design, this thing will shoot like a beast, and on the outside, things are even more spectacular. Boasting licenced Noveske Rifleworks trademarks across the design, full metal construction and flawless attention to detail make the CGS Noveske 10.5" Gen.3 Shorty 300BLK GBBR the ideal primary for any skirmisher who likes the challenge of running a GBBR in game and appreciates the high levels of authenticity and realism EMG provides. Whether this will add to your GBBR collection or you have decided it is time to move up to the most challenging yet rewarding platform in Airsoft, the EMG CGS Noveske 10.5" Gen.3 Shorty 300BLK GBBR will see you well equipped!

From £439.99
Was £499.99
Save £60.00
  • Full metal construction
  • 6.04mm Tightbore inner barrel
  • TM ZET System clone - Ideal base for custom builds

If you're looking for the ideal GBBR to base your custom build on, you just found it! The CYMA CGS 10.5" M4A1 CQB GBBR is based on the original M4A1 in CQBR configuration, with the classic ribbed handguards, L.E stock and A2 pistol grip. This means either you can run it plane Jane in the classic configuration or build your own custom GBBR without wasting high-end parts.

Not that this platform lacks high-end parts! Inside you will find the same majority steel internal parts and 6.04mm tightbore inner barrel as its Noveske and Daniel Defense cousins. The most important aspect of this GBBR is its internal system which is based on the Tokyo Marui ZET system and enhanced by CYMA's GBBR wing, known as CGS. If you like thunderous recoil, a full metal build and externals just waiting for your own custom touch, the CGS 10.5" M4A1 CQB GBBR is the one to go for!

From £594.99
Was £699.99
Save £105.00
  • PTS Gas Blowback series rifle
  • Realistic recoil & operation
  • Ambidextrous features

We get it, you've had AEG's for years & you want something that'll turn heads, that will tantalise your senses, send shockwaves through your body each time you pull the trigger, you want something  you can slap a mag into & hear that ear-pleasing *SHLUNK* as you release the bolt, we've got you covered. The Radian Model 1 by PTS is an excellent new member of the GBB family, it provides a great combination of both form & function and carries the forever glowing reputation of PTS in all its glory.

M4, AR-15 and M16 platforms are some of the most popular in the Airsoft community. At Patrol Base, we have a great selection of these rifles and their variants, including US Army M4A1 and M16 replicas. Not to forget the highly popular MK.18 MOD.1 rifle, an iconic AR-15 design used by Delta Force and the US Navy SEALs!

From gas-powered GBBR M4s with exciting recoil to high-performance AEG M4s which shoot perfectly in any weather conditions, we have an M4/AR-15 platform to suit all skill levels and playstyles, from CQB specialists to long-range Designated Marksmen. 

If you’re looking for an Airsoft platform to upgrade, an M4/AR-15 AEG is ideal thanks to its wide aftermarket support, customisation options and accessory attachment interfaces. Parts are easy to replace and accessories can be mounted straight away in most cases; perfect for those who dream of their own custom Airsoft gun!

If you're struggling to choose which M4 is right for you, read our blog post and watch our video about M4 Assault Rifles

Shop our huge selection of AR-15, M16 and M4 Airsoft AEGs and GBBRs online or visit us at our store in Huddersfield to see the range in person!