Power Custom M4A1 RIS, battery in tube, 160m/s, AirsoftGuns, BY-051, BI-5181M

Professionally upgraded version of Power Custom electric airsoft guns M4A1 RIS [BY-051/BI-5181M] with muzzle velocity up to 160 m/s. This is not a standard serial production in China or Taiwan, where it is not possible for weapons to be provided much time and care. Upgrade was provided by our company, which has more than ten years of experience and plenty of satisfied customers.

Designation Power Custom suggests that the weapon was drawn particularly on high emphasis of high performance weapons. Configuration requirements for maximum performance, high rate of fire, good durability and reliability. This full metal gun is supplied from the latest edition of which has recently processed metal body with functional dust cover. Modern type M4 with metal RIS handguard, tactical retractable stock (6 setting positions) and a removable transport handle, it is possible to attach different scopes and red dots on the sight rail. Specifically, this version has the editing inside of the tube and sliding butt (4 setting positions do not fully retracted position). With this can be recommended battery hidden inside the tube, eliminating the need for any unsightly cables leading to external box with sources, as is standard. Another small but certainly welcome change is already attaching the sling swivel ASAP, which serve to facilitate gripping and better use of tactical sling.

Gun was fitted by parts from SHS, which have become a world leader in AEG upgrades. The following components were used...

Complete cylinder set from the SHS:
CNC metal piston head with the bearing
SHS metal cylinder head M4
Polished stainless steel cylinder M4
Aluminum nozzle M16/M4 - 21.5 mm

Stress parts from SHS:
Precise piston with a steel teeth
Set of gears Helical - load (100:200)
Rotary spring guide for the gearbox v. 2
Metal oilless bushings 7 mm

Power modules from SHS:
Long motor SHS - Torque
Spring M140
Precision 6.03 mm barrel

And the other:
Silicone Hop-Up rubber
Delayer clip SHS
Metal Hop-Up set M16/M4
Gilded T-Dean connector
Universal MOS FET switching set - type 3D
Sling adaptor, ASAP

Initial metal reinforced gearbox was modified and metal chamber of gun was propped by rubber o-rings, which is intended to prevent premature rupture of the gearbox. This problem is not unco mmon for homemade upgrades and weapons mass-produced in China or Taiwan and mounted a strong spring. The weapon is equipped with a spring M140 and inflict cylinder set and good alignment is achieved performance up to 160 m/s. The weapon is luxuriously equipped with low resistance silicon wiring and MOS FET switch which is with strong springs absolutely necessary, but often manufacturers and retailers underestimate. The package does not include charger or battery, we recommend to order types. See recommended accessories tab. The pack is supplied with tactical sling, sling sviwel, cleaning rod, Wind Up Hi-cap Magazine 300rds, tactical grip, 2pc covers on RIS rails and box AN/PEQ 2 (imitation laser sight).