M870 is a US made pump-action shotgun which is widely used by the public for sport shooting, hunting and self-defense. It is also used by law enforcement and military organizations worldwide. Also M870 has hundreds of variations in different gauges or custom made variants like saw-off models.

CA870 is the air-cocking shogun based on the M870 Shotgun. It comes with a medium length barrel and RAS system on the body frame for attacting any rail attachments, also comes with a  EBR style rear stock which allow user to extend the stocks and fit their shooting style.
 
Features:
Full metal medium length outer barrel with normal type handguard.
Metal body frame with full metal RAS system.
Full metal EBR type Rear Stock with 4 position retratable.
Ready to go for 380 – 400 FPS (0.2g BB) without modification.
Included a 40 rounds Metal Long Magazine.

Specifications:
Length: 770mm, 910mm (Stock extended)
Barrel Length: 385mm
Weight (g):  3190 (gun with magazine), 3680 (with box)
System: Spring Pump action
Magazine Capacity: 40 rounds
Material: Metal & Plastic
Bullet type: 6mm BB
Power (Muzzle Velocity): 380 – 400 FPS (0.2g BB)
Manufacturer: A&K