Built to organize, protect, carry and survive tough conditions, the NANUK 935 waterproof hard case is impenetrable and indestructible with a lightweight tough NK-7 resin shell and PowerClaw superior latching system. With NANUKs exclusive locking and latching system, your case stays shut and secured until you are ready to open it. The NANUK 935 6 Up Pistol is compatible with most guns with a barrel up to 5"".