High quality magazines are what we’ve grown to expect from worker, and these half length dart magazines are no different. Made from ABS and Stainless Steel, these twelve round P-Mag like magazines work great for high fps springers who can pick their shots. Adrianna runs these with her scar barreled Caliburn with much success. Can actually hold 14 darts. Sold individually. Verify that your blaster works with the forward shifted magazines before purchase.