The bayonet lug rail installed easily, with a much lower cost than quad rail. The forward mount does not affect the standard hand guard when not using the bi-pod. very stable platform with the set screw take up hardware.
Pros: Easy to install, great for M4 uppers with bayonet lug
Cons: Existing swivel mounts required to be removed for installation
This review was written in the old system and had content requirements that are different than reviews written today.