Black Scorpion Outdoor Gear Full Profile IWB Holster FN 503 Right Hand Black. The Full Profile Holster is ideal for stock guns without red not sights. Specifications for Black Scorpion Outdoor Gear FN 503 IWB Full Profile Holster: Manufacturer: Black Scorpion Outdoor Gear Gun Make: FN Herstal Gun Model: FN 503 Barrel Length: 3.1 in Hand: Right Holster Type: Appendix Holster Accessory Attachment System: Clip Light/Laser Attachment: No Quantity: 1 Age Group: Adults Package Contents: Black Scorpion Outdoor Gear FN 503 IWB Full Profile Holster What firearm models does the manufacturer say Black Scorpion Outdoor Gear FN 503 IWB Full Profile Holster is compatible with? The manufacturer suggests that Black Scorpion Outdoor Gear FN 503 IWB Full Profile Holster is compatible with FN 503Black Scorpion Outdoor Gear HC21-IWB01-FN503-BKRH: Full Profile IWB Holster FN 503 Right Hand Black