4D Tactical Deluxe Retrofit Kit Style:Ops-Core Lux Liner many times different manufacturers do

many times different manufacturers do not conform to them

Ergonomic polymer frame with enlarged trigger guard for gloves

iron sights offset from the main accessory rails

Colorless steel using optical lens

RA-Tech has been a longstanding designer and manufacturer of high quality Airsoft upgrade parts and accessories

4D Tactical Deluxe Retrofit Kit Style:Ops-Core Lux Liner many times different manufacturers do4D Tactical helmet pad retrofit kits are widely regarded as the best aftermarket helmet padding available. The pads are made of soft memory foam, they make putting your helmet on your head feel like putting a cloud on your head. The outer material is sewn together so it will not tear like glued pads from other manufacturers. Many other brands of helmet pads are not as soft nor are they as spacious and as a result give the user uncomfortable pressure