Fits Kolpin Gun Boot IV and Gun Boot 6.0 cases only! All-metal constructed loop bracket Bracket can be adjusted to multiple angle positions betwee 0 and 45 Rubber coated ring holds your Gun Bootr case securely Locking pin prevents additional movement and vibration when bouncing over rugged terrain Compact design provides more room on ATV racks Custom design base plate incorporates built-in KXP mounting system Compatible with Polarisr composite ATV racks using the Polarisr Lock & Rider system