How do different barrel nuts affect the Osprey Defense kit?
- How do different barrel nuts affect the Osprey Defense kit?
Regular Barrel Nut: A standard barrel nut is 1 1/4” long. Our piston system operates with no issues. Only sold in carbine length.
Free Floating Hand Guard Barrel Nut: Typically 1 3/8“ in length. For these, you will need our Modified Op-Rod, which you can choose when purchasing.
Two-Piece Free-Floating Hand Guard Barrel Nut: Open End: This type of barrel nut exposes the gas tube when installing. This is also 1 3/8” and you will need to install a Modified Op-Rod.