M4 RIS is the M4A1 Carbine which equips with the RIS (Rail Interface System) handguard ,  as the standard equipment for the M4 / CQBR used by US Special Force based on the SOPMOD block I (Special Operations Peculiar Modification) developed by USSOCOM. It has a 14.5 inch barrel, allowing its user to better operate in CQC (Close Quarters Combat). It is heavily used by the US Military and will eventually replaced the M16 rifle for most combat units in US army.

KOMPETITOR (PR) Series is the new EBB Series of APS AEG which is suitable for beginners and female gamers. Most of the parts (including main frame) are made by durable plastic (mixed with high destiny nylon fiber), which makes the new AEG series be a light-weighted airsoft rifle in the field.

Features:
14mm CCW Metal Flash Hider.
Comes with metal heavy type 14.5 inch outer barrel.
Standard type front sight and RIS Hand Guard, Delta Ring, Main frame with KOMPETITOR marking, Hand grip, new folding rear sight and rear stock are made by durable plastic (mixed with high destiny nylon fiber).
Standard 20mm rail on the upper frame for rail attachments.
Store up to 9.6V mini type battery / 7.4V Lipo Battery (small plug) inside the front hand guard.
Constructed of 7mm APS Hybrid Metal Bushing Gear Box with Electronic blow back (EBB) system.
Adjustable hopup system (Plastic made one-pieced hopup chamber included).
Bolt catch function available for easy Hopup adjustment (need to access from the magwell since the bolt catch is completely bulit with main frame).
Ready to go for 330 – 350 FPS without modification.
Included 300 rds Metal M4 Type Hi-cap Magazine.

** Please note that Battery and Charger are not included.**

Specifications:
Length: 785mm, 865mm (Stock extended)
Barrel Length: 363mm
Shooting Mode: Safety, Semi-Auto & Full-Auto
Weight (g):  2165 (gun with magazine), 3040 (with box)
Gear Box: 7mm A.P.S. Hybrid Metal Bushing Gear Box with EBB system.
Color: Black
Battery: 9.6V mini type battery / 7.4V Lipo Battery (small plug)
Magazine Capacity: 300 rds
Material: Durable plastic (mixed with high destiny nylon fiber) & Metal
Bullet type: 6mm BB
Power (Muzzle Velocity):  330 – 350 FPS
Manufacturer: APS