Have a look at the PTS Killer Innovations Velocity V1 Conversion Kit for the SIG Air P320 GBB pistol in this short video from the company. Crafted from lightweight, CNC-machined 6061-T6 aluminum with a hardened anodized finish, the fully licensed PTS Killer Innovations Velocity V1 Slide and Barrel Conversion Kit is a high-quality upgrade for your Sig Sauer P320 airsoft gas blowback pistol. This kit, which includes a non-tilting outer barrel, defense compensator, and an RMR cover plate, is designed to elevate the look and feel of your airsoft pistol. It's fully compatible with the Sig M18 and X-Carry models, and installation is quick and easy without any modification to your original factory parts.