Unicorn Airsoft GBB 80 Degree Hop Up Bucking – Competition Grade Sig Sauer from the original KM4s to

from the original KM4s to the new VM4 and RM4 line

Two upper arm patch panels

Shoot true with Elite Force's MilSim Max

The amount of time it takes for the LED to deactivate (enter Sleep Mode) is user programmable

Micarta Backspacer with Hidden Lanyard Post

Unicorn Airsoft GBB 80 Degree Hop Up Bucking – Competition Grade Sig Sauer from the original KM4s toUsing uniquely formulated NBR material same as our Unicorn Hop Up Bucking. Unicorn Airsoft Hop Up Bucking compatible with MARUI KJ VFC WE. Uniquely formulated NBR material which increase durability and friction between hop up bucking and airsoft pellets. Arrow shape contact point is designed to decrease the chance of mispositioning of airsoft pellets and ensure the correct contact point position with airsoft pellets. which increase contact time