Krytac M4 -AR15 Nautilus 8mm V2 GearBox by KrytacKrytac Nautilus reinforced gearbox shell. One of the highest quality shells currently on the market and this drop in replacement is perfect for building a custom gearbox or replacing a damaged shell. The corners of the gearbox that surround the cylinder feature a smooth radius, as opposed to a 90 angle, to prevent fracture. Also, the gearbox shell features a small window on the left side where lubrication can be applied directly to the gears or

Integrated file and scissors

CNC M-LOK handguard ready for modern tactical attachments

it comes with 12 intensity stage and 3 nigh vision compatible positions

mounting the sling through different weapon

XM8 in versione "Shorty" con calcio retrattile in metallo

detects cell count

Corpo in legno laccato

Certifcazione n° 0006-FPM-MATs-14-3 rilasciata da

Compact and ergonomic

Real solid wood stock

Size is approx 60cm x 65cm x 35cm overall

But as stated it does perform very well and is compatible with most M4 based AEG's