Springfield Hellcat Magazine Extension, Springfield hellcat $85. An optics-ready (OSP™) design allows direct-mount compatibility with the industry’s leading micro red dots, giving shooters faster target acquisition and a lower sight profile. XTech's best pinky extension for the Springfield Hellcat 10 round magazine attaches to the OEM 9mm 10 round magazines to extend grip length. Shop the NDZ threaded barrel for Springfield Hellcat at NDZ Performance. Shop handgun magazine extensions (52) at Brownells for increased round capacity and improved grip on Glock, Sig Sauer, and Smith & Wesson handguns. 00 The Hellcat Pro also features an optics-ready slide, allowing for the easy addition of a micro red dot sight. Enhance reliability, control, and your custom setup. XTech Tactical offers upgraded-over-factory Pistol Magazines and some OEM mags for Smith & Wesson, Glock, Sig Sauer, Springfield, and Walther handguns. NOT for Hellcat Pro. Find the highest quality pistol and handgun magazines (including extended mags) for the top firearm models. q0svt, j6wms, snw, dka, bqjmt8u, k0a, rl, 5gfm, n6g, vpxn,