Anarchy Outdoors Smith & Wesson M&P Shield 9mm Magazine Extension +2 w/ Pinky Rest Red 2RD. This pinky rest offers extra space on your Smith & Wesson M&P Shield 9mm for a more comfortable and stable hold improving accuracy without interfering with carrying potential. The pinky rest also acts as a magazine extension adding an extra two rounds to your mag. This product is not manufactured authorized endorsed or warranted by Smith & Wesson. Specifications for Anarchy Outdoors Smith & Wesson M&P Shield Magazine Extension (+2) w/ Pinky Rest: Manufacturer: Anarchy Outdoors Fabric/Material: Aluminum Magazine Capacity: 2 Round Caliber: 9mm Luger Gun Make: Smith & Wesson Gun Model: Smith & Wesson M&P Shield Features of Anarchy Outdoors Smith & Wesson M&P Shield Magazine Extension (+2) w/ Pinky Rest Attaches to the end of your magazine to help steady and perfect your grip; Allows for better control over your grip; Helps improve aim and accuracy; Does not interfere with your carrying protentional; Adds extra two rounds to your mag Package Contents: Anarchy Outdoors Smith & Wesson M&P Shield Magazine Extension (+2) w/ Pinky Rest What firearm models does the manufacturer say Anarchy Outdoors Smith & Wesson M&P Shield Magazine Extension (+2) w/ Pinky Rest is compatible with? The manufacturer suggests that Anarchy Outdoors Smith & Wesson M&P Shield Magazine Extension (+2) w/ Pinky Rest is compatible with Smith & Wesson M&P ShieldAnarchy Outdoors 791617487116: Smith & Wesson M&P Shield 9mm Magazine Extension +2 w/ Pinky Rest Red