For sale is a Custom made Retro Arms M4 build. It was built completely from scratch. I am selling it due to only using GBBR-s now. The gun has been fielded 5 times, has been fine tuned and works like a dream.

Kitlist:
Retro Arms parts:
- Cnc Skeletonized Receiver (298€)
- Cnc Split V2 Gearbox (9mm) with integrated hopup (167€)
- Cnc Nozzle (4€)
- Cnc Piston head (17€)
- Cnc tappet plate (16€)
- 14.5 steel teeth piston (13€)
- Cnc Steel Cylinder (17€)
- Cnc Cylinder head (14€)
- Cnc Trigger type D (9€)
- Cnc Gas Block type A (23€)
- Cnc Forward Assist type A (9€)
- Cnc Magazine catch type A (18€)
- Cnc Fire Selector type C (9€)
- Cnc Fire selector cover type A (3€)
- Cnc bolt catch type A (5€)
- Carbon outer barrel type C (62€)

Other parts:
- Gate Titan set + Program table + usb converter (145€)
- Prometheus 407mm inner barrel (70€)
- Tornado M110 Spring (7€)
- Lonex High Speed Gear set (60€)
- ASG Blue Motor (60€)
- G&G Green Hopup Rubber (6€)
- G&P Stock tube (25€)
- Pts Magpul M4 Grip (30€)
- Pts Zev Tech Mlok Handguard 13.5 (120€)
- Pts Radian Charging handle (39€)
- Pts ASAP Sling mount (29€)
- Pts Rainier Arms Extreme Compensator (35€)
- RS Magpul MOE SL stock (72€)

Accessories:
- Turnigy Nanotech 11.1V 1200 mAh Lipo Battery 2x (25€)
- Ares Amag Midcap magazines 3x (35€)

Optional:
- Magpul Mbus Pro replica sights (20€)
- Ampoint T2 replica with scalarworks mount (45€)
- Unity T1/T2 mount replica (25€)
- Surefire M300v + NE switch + dummy DBAL (110€)
- Magpul Mlok Handstop + Covers (20€)

All together 1662€ (1460£) if you want to buy it from a shop. Plus shipping fee, waiting time and you have to put it all together.

I am gonna sell it for 1100€ (940£), thats with shipping and everything included that you can see.
If you dont want the T2, the unity mount, surefire light, dbal, magpul sights, dbal and handstop and covers that will be -150€ from the price, so 950€ (830£). Thats with shipping included.
I am not parting out the Optional accessories, so if the stay, I will put them on my gbbr-s. Not gonna answer part out questions.
The gun is located in Hungary, EU. Will be shipping with GLS.