Anarchy Outdoors HK VP9 SK Magazine Extension +2 w/ Pinky Rest Blue 2RD. The Anarchy Outdoors pinky rest offers extra space on your HK VP9 SK grip for a more comfortable stable hold improving accuracy and aim without interfering with carrying potential. This Anarchy Outdoors pinky rest also acts as a magazine extension adding two rounds to your mag. Specifications for Anarchy Outdoors HK VP9 SK Magazine Extension (+2) w/ Pinky Rest: Manufacturer: Anarchy Outdoors Fabric/Material: Aluminum Magazine Capacity: 2 Round Caliber: 9mm Luger Gun Make: Heckler & Koch Gun Model: Heckler & Koch VP9 SK Included Accessories: Standard Condition: New Features of Anarchy Outdoors HK VP9 SK Magazine Extension (+2) w/ Pinky Rest: Attaches to the end of your magazine to help steady and perfect your grip; Better control over your grip will help improve aim and accuracy; Doesn't interfere with your carrying potential; Adds extra two rounds to your mag Package Contents: Anarchy Outdoors HK VP9 SK Magazine Extension (+2) w/ Pinky Rest What firearm models does the manufacturer say Anarchy Outdoors HK VP9 SK Magazine Extension (+2) w/ Pinky Rest is compatible with? The manufacturer suggests that Anarchy Outdoors HK VP9 SK Magazine Extension (+2) w/ Pinky Rest is compatible with Heckler & Koch VP9 SKAnarchy Outdoors 791617486973: HK VP9 SK Magazine Extension +2 w/ Pinky Rest Blue