T21 Standard (Explorer Version) Carbine Replica - Dark Earth

  • Material: Polymer + Metal
  • Length: 690 mm
  • Weight: 2350 g
  • Color: Dark Earth
  • Muzzle Velocity: ~350 FPS
  • Engine: Electric
  • Manufacturer: S&T Armament

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T21 Standard (Explorer Version) Carbine Replica - Dark Earth
Manufacturer: S&T ARMAMENT
Product code: SIT-01-017974
Rating5/55.00 / 5 (1review)
BlackOlive DrabDark Earth
Very small quantity of stock
Ready to ship in 3days
Cost from £11.22
173.50£ / 1pcs
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T21 Standard (Explorer Version) Carbine Replica

The Explorer version is a “budget” line in the S&T family of replicas. It allows to enjoy a T21 replica at a lower price and it has an attractive price/quality ratio. Basic differences of Explorer version include the lack of EBB (Electric BlowBack) as well as slightly different materials used for production.

A carbine replica made, as was the original, in majority of polymer. Miscellaneous construction elements as well as the external barrel, KeyMod handguard and the magazine were made of metal, while the entire receiver of the replica was made of reinforced polymer

The replica features all of the advantages of the original - flip-up iron sights and a top RIS 22 mm mounting rail that enables the attachment of all sorts of optical sights to the replica. The access to the Hop-Up adjustment knob is gained in a traditional way - after pulling back the charging handle and uncovering the shell ejection window. An interesting detail is the operational bolt-catch button. The external barrel has a right-handed, 14 mm thread which boasts a flash hider.

One of the most important features of this model is definitely its long (in comparison to the overall length of the carbine) internal barrel. It allows for a high muzzle velocity and very tight cone of fire whilst at the same time retaining the compact size of the replica, which directly affects the comfort of use.

T21 is fed with magazines that are replicas of STANAG 5.56 mm magazines, typically used in M4 replicas.

It is also equipped with a quick spring change system, which enables for easy and rapid change in muzzle velocity of the replica without having to open the gearbox. In combination with its specific construction, it allows for the use of a single replica for CQB scenarios as well as open field games.

The set includes:

- replica
- magazine
- battery
- charger for the battery

Tech specs:
T21 Standard (Explorer version)
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

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
Diameter of bearings in GB [mm]:
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.

Battery Capacity [mAh]:

Battery capacity determines the time, which it accumulated enough energy to work gearbox. The greater  capacity, then replica will shoot longer.

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.

Made of:
Metal + plastic
Battery included:

NiCd rechargeable battery is characterized by high efficiency current-carrying capacity, but there are disruptive effect on memory. Should be unloaded and loaded in the full cycle, ie, it is recommended to fully discharge, and after unloading must charge the battery immediately without leaving it for a long time in a discharged state.
NiMH batteries have a higher self-discharge over time and shorten the life - on the other hand, they earn about 30% more capacity.

Battery Voltage [V]:
Propulsion / Powered by:
Barrel thread type:
14mm CCW
Quick Spring Change System:
Users reviews
Number of reviews: 1 Average rating: 5.00
Rate: Rate: 5
Author: Carlos, Vidigueira
Good quality
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