Item Description

Arcturus M4 AR15 CQB 10.5inch outer barrel.

6.01 steel tightbore inner barrel 280mm
Fully serviced including shimming and regrease
Rotary hop
ASG Madbul Shark X nub
XT heat resistant cylinder
XT bevel gear
Cyma mp5 motor
Short Stroked (pickup 2 teeth)
Asg Ultimate M115 Spring

Fps: hop set to 0.3bbs - 283-286fps (1.13J)
Laser beam accurate, fantastic range and trigger response.
Fantastic feeding in semi or full.

Perfectly upgraded, without need to do anything else. Comes boxed with all accessories as brand new. Skirmished twice once brand new and once after upgrade. Purchased April 2023.

Selling as I have too many m4, and want Arcturus AK.

Video available upon request. Collection only from DA11. Can deliver London/Kent area for additional charge.

More info 07599997761


Features
* 6.01mm Steel tightbore inner barrel
* Rotary adjustable HOP-up unit
* 10.5-inch M-LOK handguard - Plenty of space for modern shooting styles!
* 14mm CCW male threaded outer barrel - Ready for a tracer or suppressor
* 20mm Picatinny railed receiver - Seamless integration with the handguard rail
* Ambidextrous charging handle - Modern looks, ambi HOP-up access
* Extended bolt release - Matches the real MK16 build perfectly
* Ergonomic pistol grip with filled backstrap - Comfortable for most hand sizes
* Ambidextrous steel sling plate - Ready for single-point slings
* QD sling points on handguard and rear of stock
* 6 Position M4/AR-15 buffer tube - Compatible with aftermarket M4/AR-15 AEG stocks
* Mil-spec curved trigger - Perfect for military style loadouts
* Bearing spring guide and piston head - Reduced rotational force, less friction
* Rotary adjustable HOP-up unit - Fine increments of adjustment, holds setting well
* Teflon sealed air nozzle - Great compression/air seal qualities
* Microswitch trigger - Snappy trigger response
* Low resistance wiring - Great electrical efficiency
* 8mm Steel bushings - Smooth running gearbox
* Compatible with M4/AR-15 AEG magazines