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  • UAR501 Assault Rifle Replica - Tan
  • UAR501 Assault Rifle Replica - Tan
  • UAR501 Assault Rifle Replica - Tan
  • UAR501 Assault Rifle Replica - Tan
  • UAR501 Assault Rifle Replica - Tan
  • UAR501 Assault Rifle Replica - Tan
  • UAR501 Assault Rifle Replica - Tan
  • UAR501 Assault Rifle Replica - Tan

UAR501 Assault Rifle Replica - Tan

  • Material: plastic + metal
  • Length: 635mm
  • Weight: 2585g
  • Color: tan
  • Muzzle Velocity: ~350 FPS
  • Manufacturer: APS
  • Product code: APS-01-033448
168,37 €
168,37 €
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Product description

UAR501 Assault Rifle Replica

The UAR 501 manufactured by APS is an innovative replica equipped with a special hybrid gearbox, bearing the brand name "APS HYBRiD Gearbox". The abbreviation UAR stands for Urban Assault Rifle, i.e. a model designed for MOUT activities (fighting in an urban environment) and CQB (short distances). The compactness and high maneuverability of the replica was achieved thanks to the bull-pup system. Inside, we managed to fit an effective 385mm inner barrel, with the entire length of the replica being only 645mm.

Virtually the entire receiver is made of out reinforced polymer plastic. The thick butt plate is made of thick rubber. The replica has a long, top 22mm RIS rail and three rails on the front grip. Thanks to them, we can fit the rifle with a whole plethora of additional tactical accessories, ranging from optics, through grips and tactical flashlights, to laser target pointers. 

The replica is incredibly functional - it has three magazine release buttons, one next to the socket, and two at the pistol grip - they can be operated with the index finger. The firing mode selector is double-sided, the reloading handle can also be moved to the other side - thanks to this, there are no problems with handling the replica by both right and left-handed operators. After pulling back the charging handle, we gain access to the hop-up chamber, the bolt-catch button is located on the back of the stock.

The battery is housed inside of the stock. The pistol grip has a compartment for 2 spare 123A batteries. The replica comes with metal hi-cap magazines with a capacity of 190 300 BBs.

The heart of the UAR 501 is the new v.3 "APS HYBRiD" type gearbox. Designed and made using an innovative and more user-friendly technique, according to comparative tests carried out by the manufacturer, it is 33% more efficient in terms of energy consumption than the standard system. It is equipped with a quick spring change system that allows the user to change the muzzle velocity of the projectile without having to open up the gearbox. The set includes 2 additional main springs.

The reinforced gears are mounted on 8 mm metal bearings. The electrical system consists of silver-plated, low-resistance wiring that ensures stable operation, and the replica's motor is equipped with a metal core. The cylinder and the precision inner barrel with a diameter of 6.04 mm are made out of stainless steel. 

Reasonable for an assault replica, the muzzle velocity of  combined with the optimal length of the inner barrel and its reduced diameter make the replica perfect for assault operations and shooting at medium distances with high efficiency and focus. 

Note! The set does not include a battery or a charger.

The set includes:

- replica
- 2 magazines
- two additional main springs
- ramrod
- user manual

Magazine compatibility chart

NiMH, Li-Po and Li-Ion batteries charging tips:

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.

v3 Gearbox
Type of fire
Single, auto
Diameter of bearings in GB [mm]
Length [mm]
Inner barrel length [mm]
Weight [g]
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).

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.

Automatic electric guns
Assault rifles/Carbines
Made of
plastic + metal
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.

Barrel thread type
14mm CCW
Quick Spring Change System
Plug Type
Tamiya mini
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