20 gram BBs downrange at 315 FPS and works great with your 7

Short rail covers 1½ M-LOK® slots or 3 KEYMOD™ slots

Full length 5

Side to Side Toggle On/Off End Cap Switch

This hi capa recoil spring has a special heat treated finish

NcStar Picatinny Riser .625Cantilever Guarder 20 gram BBs downrange atCantilever 1913 Picatinny Rail 0. 625H riser X 5. 5"L. 5. 5 long cantilevered riser rail. Cantilever design, allows rail to bridge over the handguards Allows the user to raise their optic 0. 625 above their receiver height Picatinny rail for the desired optic height. Great for a better heads up shooting with night vision equipment. Height: 0. 625" Length: 5. 5" Weight: 3. 7 oz.