The Mars Project Backpack comes stock with a Fidlock Magnetic Closure Buckle V-Buckle. The strap is removable and can be swapped with an AustriAlpin COBRA® for a different look. You will receive both the Cobra and Fidlock buckles when you order a COBRA upgrade.

All COBRAs are machined from the highest grade 7075 aluminum alloy and feature solid brass and stainless steel components.

Frame tested for 2000lb / 9kN
High-grade 7075 aluminum alloy
Solid brass & stainless steel components

2" / 50mm size buckle
Weight w/ webbing : 0.25 lbs