Lancer Tactical Tandemkross CTHULHU GBB Pistol

Lancer Tactical
Code: PG9010
£149.99
  • Compatible with AAP-01 upgrades
  • Licenced by Tandemkross Firearms
  • Includes ring charging handle, muzzle break & RDS plate

If you like a sidearm which stands out, the Lancer Tactical Tandemkross CTHULHU GBB Pistol sure does! Based on the AAP-01 internal system but littered with officially licenced parts inspired by real-world competition shooting pros Tandemkross, the CTHULHU boasts superb gas efficiency, a massive aftermarket of internal upgrades and plenty of bespoke customisation options straight out of the box!

The CTHULHU is supplied in a hard polymer storage case with a red dot mount plate for RMR and Docter cut red dot sights, a ring charging handle known by Tandemkross as the "Halo" and a unique compensator known as the "Game Changer Pro", offering superb value for the skirmisher who loves customised styling. The pistol itself is rocking a 14mm CCW male threaded barrel, ready for a tracer or suppressor, a gas pedal thumb rest for improved recoil control and an enlarged safety catch and magazine release, ensuring you can operate your controls quickly with minimal training.

The pre-installed "Eagle Eye" light-enhancing iron sights are superb, fully adjustable for windage and elevation and functional in bright conditions or low-light environments, though the CTHULHU is also equipped with a 20mm Picatinny rail, ready for your choice of optical sight. If you're in search of a pistol that will turn heads when seen and fired, the Lancer Tactical Tandemkross CTHULHU GBB Pistol will do just that!

Full description

Frequently purchased with this pistol...

Description

If you're into high-performance pistol designs with a side of style, the Lancer Tactical Tandemkross CTHULHU GBB Pistol should be right up your street. Internally, this GBB pistol finds its routes in the proven AAP-01 design and is compatible with AAP internal upgrades but on the outside, the CTHULHU is dressed to impress!

The upper receiver is a unique design from Lancer Tactical, featuring a sporty spiral fluted outer barrel, removable 20mm Picatinny rail, licenced replicas of the Tandemcross "Eagle Eye" light enhancing iron sights and 14mm CCW male barrel threads, ready for your choice of muzzle device. The set also includes an authentic replica of the "Game Changer Pro" compensator, the "Halo" ring charging handle from Tandemkross and a micro red dot sight mount plate, giving you a whole host of dynamic aesthetic upgrades included in the slick polymer hard case!

The lower receiver is a close match for the real steel TandemKross Cthulhu lower receiver, a significantly enhanced design for the real steel Ruger MK.IV pistol designed for target shooting. The trigger is a flat design known as the Skeletonised Competition Trigger and is fantastic for rapid semi-auto shots, equipped with a grub screw to limit overtravel. On the left side, we have a gas pedal-style thumb rest, the "Bolt Keeper" extended bolt release and the "Cornerstone" safety thumb rest mounted to the "Hive Grip" equipped frame. Make no mistake, when you point the CTHULHU downrange it feels like being strapped into an F1 car!

Starting at the front, we come to a knurled thread protector concealing 14mm CCW male barrel threads beneath. This means you can mount the included "Game Changer Pro" compensator or your choice of tracer unit, suppressor or alternative muzzle device with ease. The outer barrel itself is finished in metallic red with spiral fluting along its length, giving the CTHULHU a personalised look without any compatibility or fitting worries!

Up top, we have our "Eagle Eye" light-enhancing iron sights, complete with [Tandemkross] trademarks for the elite look. The front sight insert is green and the rear inserts are red, guaranteeing you'll never mix up the sight dots and pull off target at a critical moment. Light-enhancing sights are superb for work in both bright and low-light conditions and these are a cut above most! The rear sight is equipped with anti-glare serrations and is also adjustable for elevation and windage via the screw on the top and right side respectively, offering exceptional functionality for pre-installed sights on a fresh-out-of-the-box pistol.

Between the sights, we are treated to a 20mm Picatinny rail, allowing a red dot sight or scope to be mounted straight away. The rail can be removed or repositioned beneath the barrel, allowing you to run the included micro red dot sight plate and a tactical flashlight for a truly menacing primary pistol setup. Replacing the rear iron sight, the red dot plate is cut for RMR and Docter/Noblex footprint red dot sights, offering options for the most common Airsoft MRDS clones.

Like the AAP-01, the charging handle is attached directly to the bolt carrier at the rear of the upper receiver, a low-profile design with textured surfaces for added traction. Included in the set we have a fantastic replica of the "Halo" ring charging handle, giving you better control over the charging handle and adding to the bold aesthetic with its metallic red finish. To install the charging handle, simply loosen its Allen bolt, slide it over the built-in charging handle and tighten it down until firm.

The adjustable HOP-up is accessible in two ways and which you use depends on the size of your digits! If you have relatively slim fingers, you can lock the bolt to the rear by pulling the charging handle and pushing the "Bolt Keeper" bolt release catch upwards to lock the bolt. With this done, you can put a finger through the ejection port to access the gear HOP-up adjuster inside the left side of the receiver. If you're wearing gloves or have big fingers, your best bet is to field strip the CTHULHU which is done the same way as an AAP-01.

First, remove the magazine and rack the charging handle to cock the hammer. Next, hold down the button below the charging handle on the rear of the frame and the upper receiver should lift free. With the upper receiver inverted, you'll find the HOP-up adjuster on the right side, ready to be tuned for your choice of ammo weight.

Moving down to the frame, we have a faithfully replicated Tandemkross Cthulhu lower receiver, complete with the unique "Hive Grip". The Hive Grip boasts stylish hexagonal texture on the front, sides and rear, offering traction and eye-catching looks in equal measure! Each side of the grip is also rocking elite [TANDEMKROSS] markings, just like the real CTHULHU lower receiver to a tee. At the base of the grip, we are also treated to a lanyard loop, designed to keep your pistol tethered to your belt via a retention lanyard, avoiding any drops or losses.

The controls of the CTHULHU are considerably enhanced, designed with speedy target shooting in mind but equally effective in Airsoft skirmishing. The magazine release, known as the "Titan", is located on the left side of the grip is significantly enlarged, making it easy to find when working under pressure so a fumbled reload won't slow you down. The safety catch is at the rear of the frame, similarly positioned to that of a Hi-Capa or 1911 and equipped with the "Cornerstone" safety thumb rest, speeding up safety engagement and doing double duty assisting with recoil control when the CTHULHU is fired rapidly.

Above the magazine release, we can find the extended bolt release catch, known as the "Bolt Keeper" by Tandemkross. This control is finished in contrasting gloss black and is positioned for easy and fast actuation, a far larger bolt release than that of the AAP-01 making it easy to find when pumped with adrenaline or in low-light CQB sites. Just ahead of the "Bolt Keeper", we have a gas pedal-style thumb rest, allowing you to apply downforce and keep the muzzle of the CTHULHU under control during long full auto bursts or rapid strings of semi-automatic fire. Naturally, the gas pedal is finished in attractive metallic red, tying the unique CTHULHU aesthetic together and completing the build.

As we might expect for a highly customised pistol, the CTHULHU is rocking an enhanced flat trigger known as the "Skeletonised Competition Trigger" by Tandemkross. The trigger is finished in metallic red to match the other chic aesthetic upgrades and includes a grub screw at the bottom, allowing you to limit overtravel to your preference.

From a performance standpoint, this beast is every bit as snappy and efficient as the AAP-01 thanks to its ultra-light bolt carrier and is compatible with almost every AAP-01 internal upgrade on the market for those who want more. The exciting external enhancements will give you the edge over the AAP out-of-the-box and will save you money if you already plan to dress your AAP up with distinctive externals!

With a style all of its own, official licencing from Tandemkross and a full set of customisation options included in its polymer hard case, the Lancer Tactical CTHULHU offers adaptability and dynamic styling with a proven internal system at its heart. If you find the original AAP-01 a bit boring and want to skirmish with a platform that will definitely turn heads, the Lancer Tactical Tandemkross CTHULHU GBB Pistol should be your next buy!

Features

  • High density polymer with CNC aluminium parts
  • Lower receiver replicates the Tandemkross CTHULHU lower - Upper is a unique Lancer design
  • 14mm CCW Male threaded outer barrel - Tracer/suppressor ready
  • "Game Changer Pro" compensator included - Looks mint!
  • Spiral fluted outer barrel - Aggressive, sporty styling
  • Light enhancing "Eagle Eye" iron sights - Easy and fast to pick up, elevation & windage adjustable
  • 20mm Picatinny railed receiver - Ready for a red dot sight or scope
  • Receiver rail can be repositioned - Mount it on the bottom of the frame, plenty of built-in customisation
  • Recurved trigger guard - Great for rapid fire using the "European Grip"
  • Flat "Skeletonised Competition Trigger" - Very grippy, a great replica of the real steel Tandemkross trigger
  • Tandemkross "Hive grip" - Hexagon pattern grip texture with Tandemcross markings
  • "Titan" Extended magazine release - Great for speedy reloads, metallic red CNC aluminium
  • Gas pedal thumb rest pre-installed - Helps control recoil when shooting full auto
  • "Cornerstone" Safety thumb rest - Functions as a trigger lock safety and thumb rest
  • "Bolt Keeper" extended bolt release - Easy access for those with smaller hands
  • "Halo" Ring charging handle included - Mounts to the bolt carrier, makes cocking super easy!
  • Lanyard mount point - On the base of the grip, tether your pistol to your belt with a retention lanyard
  • Red dot sight mount plate included - Replaces the rear iron sight, RMR & Docter/Noblex footprint
  • Compatible red dot sights:
  • Compatible with most AAP-01 internal upgrades
  • Compatible magazines:
  • Most off-brand mags provide slightly higher FPS - Lower pressure gas recommended

Package Includes

  • Lancer Tactical Tandemkross CTHULHU GBB Pistol
    • 23rnd Green Gas Magazine
    • "Halo" Ring Charging Handle
    • "Game Changer Pro" Compensator
    • Red Dot Mount Plate
    • Polymer Hard Case

Specification

General

Weapon Construction External
Weapon Type
Pistol
Over 18 Only Icon
Over 18
Yes
Icon UKARA - United Kingdom Airsoft Retailer Association
Defence / UKARA Required
Yes, No,
FPS Icon
FPS (Feet Per Second), using 0.20g BB
Approx. 330fps ± 10%, using 0.20g BB
Site Legal Icon
Site Legal, using 0.20g BB
Yes
Screwdriver Icon
Pre-Built
Yes
Package
Included Items
  • Magazine
  • Muzzle Brake
  • Hard Case
  • Red dot sight mount plate
  • Ring Charging Handle
Skill Level Icon
User Skill Level
Starter, Regular Player,
Patrol Base - Warning Icon
Warnings
Lubrication is required

Weight and Dimension

Weight KG Icon
Weight (KG)
Approx. 0.548kg
Weapon Length Collapsed
Length (Collapsed)
25.8cm
Weapon Length Extended
Length (Extended)
14.7cm

Construction

Colour Wheel Greyscale
Primary Colour
Black
Colour Wheel Greyscale
Secondary Colour
Red
Two Tone Icon
Pre Two-Toned
No
Construction Icon
Construction
CNC Aluminium outer barrel, controls, gas pedal, muzzle break, red dot plate, rail, sights & ring charging handle. Alloy bolt carrier & slide lock/release. High density polymer receiver & grip.
Weapon Construction External
External Construction
Polymer
Alloy
Aluminium
Gearbox Icon
Internal Construction
Polymer
Alloy
Aluminium

Weapon Specific

Power Source Icon
Powered By
Green Gas
Blowback Icon
Blowback
Gas Blowback
Weapon Platform
Pistol, Ruger, Tandemkross CTHULHU,
Magazine Style Icon
Magazine Style
Pistol Magazine, EU-Series, EU Series, AAP-01,
Fire Select Icon
Fire Selector
PatrolBase | Fire Select Safe
Safe
Patrol Base | Fire Select - Semi Automatic
Semi Automatic
Patrol Base | Full Automatic
Full Automatic
Weapon Safety Features Icon
Safety Features
Trigger Lock
Shooter Configuration Icon
Shooter Configuration
Right Handed
Weapon Configuration Icon
Weapon Configuration
Standard
Weapon Scale Icon
Weapon Scale
1:1
Suggested BB Weight
0.25g

Hop-Up

Hop-Up Unit Icon
Hop-Up Unit
Yes
Hop-Up Unit Adjuster Icon
Hop-Up Adjuster
Gear
Hop-Up Unit Location Icon
Hop-Up Location
Press button on back of frame to release upper portion of pistol and access HOP-up on the outer barrel

Furniture

Weapon Furniture Icon
Furniture
  • Railed Receiver
  • Light Enhancing Iron Sights
  • Rear Lanyard Mount Point
  • Threaded Outer Barrel
  • Muzzle Brake
  • Textured Pistol Grip
  • Gas Pedal
  • Fluted Barrel
  • Flat trigger
  • Extended magazine catch
  • Micro Red Dot Sight plate
  • Ring Charging Handle
Rail System Icon
Rail System
20mm RIS / RAS
Sight Type Icon
Sight Type
Iron Sights , Light Enhancing Open Iron Sights, Open Iron Sight, Red dot mounting plate,
Sling Plate Icon
Sling Options
Lanyard Loop

Barrel

Outer Barrel Length (in)
4.5''
Icon Thread Type
Outer Barrel Thread Type
Male
Icon Thread Direction
Outer Barrel Thread Direction
CCW (Counter Clockwise)
Outer Barrel Thread Size
14mm
Inner Barrel Diameter
6.08mm
Inner Barrel Length
160mm

Magazine Specific

Magazine Type
Low Capacity , Gas,
Magazine BB Capacity
Approx. 23 Rounds
Magazine BB Fill Method
Speed Loader
Magazine BB Fill Location
Top, Front,
Magazine Gas Fill Location
Bottom
Magazine Gas Type
Green Gas

Gas Gun Specific

Gas Can Icon
Gas Compatability
Summer Gas, Green Gas,
Gas Can Icon
Gas Recommendation
Green Gas

Pistol Specific

Construction Icon
Slide Material
Alloy
Icon Pistol Slide
Pistol Slide Type
Bolt Carrier

Product Testing Data

Notepad Icon
Test Description
330 FPS +/- 10%
Notepad Icon
Tested Using
0.2g ASG Blaster BBs & ASG Ultrair Green Gas
Notepad Icon
Test Date
12/11/2024

Size guide

Joule Charts

Special Instructions

These table can be used as a reference to see if the BB weight you are using will be over acceptable Joulage limits at some Airsoft Sites in the UK. To check if the weight can be used chrono your weapon using the BB you intend to use, and then compare it to the chart.

FPS, Power and Joule Limits can vary from site to site, so please get in touch with where you're going to play with in advance to avoid disappointment.

Suggested limits are based on Joulage Limit rules used Halo Mill: Proving Grounds, with a 350fps limit for Automatic Replicas, 400fps for Semi-Automatic Replicas, and 500fps for Bolt Action Replicas.

Tap the tabs below to open the relevant chart for your replica.

Suggested limits are based on Joulage Limit rules used Halo Mill: Proving Grounds, and is the equivalent of 350fps, using 0.20g BB resulting in an upper limit of 1.14j.

Velocity BB Weight (Grams)
FPS 0.20 0.25 0.28 0.30 0.32 0.36 0.40 0.43 0.45 0.50
250 0.58 0.73 0.81 0.87 0.93 1.05 1.16 1.25 1.31 1.45
260 0.63 0.79 0.88 0.94 1.00 1.13 1.26 1.35 1.41 1.57
270 0.68 0.85 0.95 1.02 1.08 1.22 1.35 1.46 1.52 1.69
280 0.73 0.91 1.02 1.09 1.17 1.31 1.46 1.57 1.64 1.82
290 0.78 0.98 1.09 1.17 1.25 1.41 1.56 1.68 1.76 1.95
300 0.84 1.05 1.17 1.25 1.34 1.51 1.67 1.80 1.88 2.09
310 0.89 1.12 1.25 1.34 1.43 1.61 1.79 1.92 2.01 2.23
320 0.95 1.19 1.33 1.43 1.52 1.71 1.90 2.05 2.14 2.38
325 0.98 1.23 1.37 1.47 1.57 1.77 1.96 2.11 2.21 2.45
328 1.00 1.25 1.40 1.50 1.60 1.80 2.00 2.15 2.25 2.50
330 1.01 1.26 1.42 1.52 1.62 1.82 2.02 2.18 2.28 2.53
335 1.04 1.30 1.46 1.56 1.67 1.88 2.09 2.24 2.35 2.61
340 1.07 1.34 1.50 1.61 1.72 1.93 2.15 2.31 2.42 2.68
345 1.11 1.38 1.55 1.66 1.77 1.99 2.21 2.38 2.49 2.76
350 1.14 1.42 1.59 1.71 1.82 2.05 2.28 2.45 2.56 2.85
355 1.17 1.46 1.64 1.76 1.87 2.11 2.34 2.52 2.63 2.93
360 1.20 1.51 1.69 1.81 1.93 2.17 2.41 2.59 2.71 3.01

Suggested limits are based on Joulage Limit rules used at Halo Mill: Proving Grounds, and is the equivalent of 400fps, using 0.20g BB resulting in an upper limit of 1.49j.

Velocity BB Weight (Grams)
FPS 0.20 0.25 0.28 0.30 0.32 0.36 0.40 0.43 0.45 0.50
250 0.58 0.73 0.81 0.87 0.93 1.05 1.16 1.25 1.31 1.45
260 0.63 0.79 0.88 0.94 1.00 1.13 1.26 1.35 1.41 1.57
270 0.68 0.85 0.95 1.02 1.08 1.22 1.35 1.46 1.52 1.69
280 0.73 0.91 1.02 1.09 1.17 1.31 1.46 1.57 1.64 1.82
290 0.78 0.98 1.09 1.17 1.25 1.41 1.56 1.68 1.76 1.95
300 0.84 1.05 1.17 1.25 1.34 1.51 1.67 1.80 1.88 2.09
310 0.89 1.12 1.25 1.34 1.43 1.61 1.79 1.92 2.01 2.23
320 0.95 1.19 1.33 1.43 1.52 1.71 1.90 2.05 2.14 2.38
330 1.01 1.26 1.42 1.52 1.62 1.82 2.02 2.18 2.28 2.53
340 1.07 1.34 1.50 1.61 1.72 1.93 2.15 2.31 2.42 2.68
350 1.14 1.42 1.59 1.71 1.82 2.05 2.28 2.45 2.56 2.85
360 1.20 1.51 1.69 1.81 1.93 2.17 2.41 2.59 2.71 3.01
370 1.27 1.59 1.78 1.91 2.03 2.29 2.54 2.73 2.86 3.18
380 1.34 1.68 1.88 2.01 2.15 2.41 2.68 2.88 3.02 3.35
390 1.41 1.77 1.98 2.12 2.26 2.54 2.83 3.04 3.18 3.53
400 1.49 1.86 2.08 2.23 2.38 2.68 2.97 3.20 3.34 3.72
410 1.56 1.95 2.19 2.34 2.50 2.81 3.12 3.36 3.51 3.90

Suggested limits are based on Joulage Limit rules used at Halo Mill: Proving Grounds, and is the equivalent of 500fps, using 0.20g BB resulting in an upper limit of 2.32j.

Velocity BB Weight (Grams)
FPS 0.20 0.25 0.28 0.30 0.32 0.36 0.40 0.43 0.45 0.50
250 0.58 0.73 0.81 0.87 0.93 1.05 1.16 1.25 1.31 1.45
260 0.63 0.79 0.88 0.94 1.00 1.13 1.26 1.35 1.41 1.57
270 0.68 0.85 0.95 1.02 1.08 1.22 1.35 1.46 1.52 1.69
280 0.73 0.91 1.02 1.09 1.17 1.31 1.46 1.57 1.64 1.82
290 0.78 0.98 1.09 1.17 1.25 1.41 1.56 1.68 1.76 1.95
300 0.84 1.05 1.17 1.25 1.34 1.51 1.67 1.80 1.88 2.09
310 0.89 1.12 1.25 1.34 1.43 1.61 1.79 1.92 2.01 2.23
320 0.95 1.19 1.33 1.43 1.52 1.71 1.90 2.05 2.14 2.38
330 1.01 1.26 1.42 1.52 1.62 1.82 2.02 2.18 2.28 2.53
340 1.07 1.34 1.50 1.61 1.72 1.93 2.15 2.31 2.42 2.68
350 1.14 1.42 1.59 1.71 1.82 2.05 2.28 2.45 2.56 2.85
360 1.20 1.51 1.69 1.81 1.93 2.17 2.41 2.59 2.71 3.01
370 1.27 1.59 1.78 1.91 2.03 2.29 2.54 2.73 2.86 3.18
380 1.34 1.68 1.88 2.01 2.15 2.41 2.68 2.88 3.02 3.35
390 1.41 1.77 1.98 2.12 2.26 2.54 2.83 3.04 3.18 3.53
400 1.49 1.86 2.08 2.23 2.38 2.68 2.97 3.20 3.34 3.72
410 1.56 1.95 2.19 2.34 2.50 2.81 3.12 3.36 3.51 3.90
420 1.64 2.05 2.29 2.46 2.62 2.95 3.28 3.52 3.69 4.10
430 1.72 2.15 2.40 2.58 2.75 3.09 3.44 3.69 3.86 4.29
440 1.80 2.25 2.52 2.70 2.88 3.24 3.60 3.87 4.05 4.50
450 1.88 2.35 2.63 2.82 3.01 3.39 3.76 4.04 4.23 4.70
460 1.97 2.46 2.75 2.95 3.15 3.54 3.93 4.23 4.42 4.91
470 2.05 2.57 2.87 3.08 3.28 3.69 4.10 4.41 4.62 5.13
480 2.14 2.68 3.00 3.21 3.42 3.85 4.28 4.60 4.82 5.35
490 2.23 2.79 3.12 3.35 3.57 4.02 4.46 4.80 5.02 5.58
500 2.32 2.90 3.25 3.48 3.72 4.18 4.65 4.99 5.23 5.81
510 2.42 3.02 3.38 3.62 3.87 4.35 4.83 5.20 5.44 6.04