T21 Standard assault rifle replica (Professional version) - black

  • Made of: steel and plastic
  • Color: black
  • Weight: 2200g
  • Muzzle velocity: ~400 FPS
  • Magazine capacity: 300 BB pellets
  • Length: 690 mm
  • Manufacturer: S&T Armament

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T21 Standard assault rifle replica (Professional version) - black
Manufacturer: S&T ARMAMENT
Product code: SIT-01-017712
Very small quantity of stock
Ready to ship in 2days
Cost from £0.00
277.40£ / 1pcs
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T21 Standard assault rifle replica (Professional version) - black

The carbine replica, just like the original firearm, was made mostly of plastic. The minor construction elements such as the outer barrel, the RIS rail set and the magazine were made of metal, while as the replica's body is made of polycarbonate plastic. 

The replica has got all of the advantages of the original - the foldable iron aiming sights and the RIS rail set allow to attach any optical aiming device or additional gear to the replica.

One of the most important features of this model is, without any doubt, the long ( when looking at the total length  of the carbine ) outer barrel. This allows to gain high precision and great concentration of shots, while keeping, at the same time, the replica's small size what results directly in the comfort of use.

The replica is powered by magazines which are a replica of the STANAG 5,56mm magazines which are typically used by the M4 type replicas.

The replica is equipped with the main spring quick replacing system what allows for an easy and quick change of the muzzle velocity of the replica without the need of opening the gearbox. In combination with the specific built, this allows to adapt the replica for CQB type skirmishes and also to shoot in open areas.

The replica is equipped with an EBB system, this means an electric system which simulates the operation of the bolt carrier. Thanks to this, the replica is even better imitating the operation of the real firearm.

The set includes:

- the replica,
- a magazine,


Tech specs:
Replika karabinka T21 Standard (Professional version) - czarny
S&T Armament
12 months
Velocity [FPS]:

It is the spped of bb, while its leaving the innerbarrel of replica. This speed is measured in FPS (Feet Per Second).

1 FPS = 0,3 m/s

1 J = 99 m/s

1 J = 326,7 FPS

Propulsion / Powered by:
Gearbox version:

Indications v2, v3, v6 does not mean the level of advance, but only shape of gearbox skeleton which was used and selected by the manufacturer depending on the capabilities of the body of the replica. For example, a models of the M4/M16 family, MP5, have a v2 gearbox, while the AK family have gearbox v3.

Special Gearbox
Type of fire:
Single, auto
Made of:
Metal + plastic
Lenght [mm]:

The length of the replca is measured between the two most distant points of each other. Different models have several of these values, because of its design allows to increase or decrease it length (eg.  folding stock or extended flash hider).

Inner barrel length [mm]:
Weight [g]:

This is a value that includes the weight of the replica, magazine and other accessories that are include in set without a battery, charger, cleaning rod, etc., etc.

Magazine type:
Hi-Cap magazine
Magazine capacity [pcs]:

Hop-Up system is used for overclocking bb during the shot (putting it in rotation), through which, it extends its flight path. Acting laws of physics make that bb lift up, while the gravitational force take it down. Appropriate adjustment of Hop-Up, will compensate for these two factors, which result in long and straight flight for longer distance and be greater focus shot (to improve accuracy).

Yes, adjustable
Blow Back:

Blow back is a simulation system of the cocking lever - it imitates the work of it as the equivalent sharp. This system raises the realism and adds a lot more experience during shooting.

Quick Spring Change System:
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