Sig Sauer P238 Parts | Sig P238 Parts for Sale Sig Sauer (Sigarms) Auto Pistols P238 Need Sig Sauer P238 parts to complete your repair project? Shop with Numrich Gun Parts - a leader in the industry who has been providing parts and excellent service since 1950.[PDF] P238 P938 - SIG SAUER The light weight design of the P238 and P938 can amplify malfunctions related to light grip or limp wristing. under recoil the mass of the frame combined with a firm grip holds the frame in place while the slide cycles. a light grip allows the frame to move to the rear at the same that the pistols slide is cycling.