Exciting News! Our highly sought-after M1823 Steel Grip Modules are now available for purchase again! Designed with precision and crafted for unmatched performance, this is a must-have upgrade for any serious shooter. Custom item made to order -  These ship on average 4-8 weeks after purchase due to being a limited custom item that's made to order for each customer.  Weight: 1.52 pounds! Material: Heat Treated Chromoly 4130 Finish: Armor Lube DLC Full-Length Dust Cover Aggressive competition-style texturing. Fastener-less Rear Dust Cover Insert Compatible with our existing Magwells! Compatibility: Sig Sauer P320 9mm / 357 sig / 40Fits flush with 4.7″ barrel slides17 round minimum magazines