CYMA Platinum CM.006R MLOK M4 Metal AEG w/ MOSFET & Tracer Hop Up (10.5" / 14.5") Length:14.5" without any limitations as to

without any limitations as to the spring rating

this was the most critical part and we added 100% more material where is huge radius

gives AR uppers a continuous 12 o'clock rail

Material: Metal

CYMA Platinum CM.006R MLOK M4 Metal AEG w/ MOSFET & Tracer Hop Up (10.5" / 14.5") Length:14.5" without any limitations as toHigh quality metal alloy receiver w weather resistant matte black finish Precision CNC machined 13. 5" free float slim M LOK handguard w mounting points at 1, 3, 5, 6, 7, 9, and 11 o'clock positions TM compatible Ver. 2 metal gearbox w MOSFET Full length Picatinny top rail for optics and accessories Adjustable SOPMOD style stock Low profile Flip up front and rear sights Ambidextrous fire selector, mag release, and bolt stop Built in tracer hopup unit