Feb 11, 2023 · 1. Is an FCU with a manual safety the same as an FCU without a manual safety? Is the manual safety just a matter of having the external safety lever? 2. Has anyone modified …

Mar 6, 2019 · I have a 320 Full size that I bought new about a year ago. Dealer told me it had come from Sig with the upgrade from the drop issue. I have about 3000 9mm rounds and …

Jan 24, 2025 · What are the differences between an X5 legion FCU and a non legion FCU? The skeletonized trigger is the obvious but the legion FCU trigger just feels better to me. Is there …

Feb 3, 2025 · Ok, I'm a little confused with the caliber combinations available for the P320 FCU. As I understand it 9mm, 357sig, 40 S&W and 45Acp are all available calibers. Is it true you …

Feb 4, 2022 · Limited production, a fancy color or feature, premium price. They aren’t selling the same FCU that comes in a stock P320. Clearly, Sig can sell FCU’s at a lower price with a …

Apr 21, 2023 · Fwiw I bought a slightly used x5 legion fcu for about $200 and built an axg-framed 357sig around it. Amazing pistol now. The trigger in the legion and custom works fcu is …

Dec 31, 2022 · I'm hoping they start offering 320 FCU's with a manual safety. My other striker fired guns (365's and 322's) have manual safeties. I have a 320 in 357 Sig that needs an FCU …

Apr 24, 2021 · ive been looking but can’t find to find any differences. Are the p365 and p320 FCU’s the same? Can I take the regular p320 or the custom shop version fcu and drop it into …

Jan 26, 2020 · I am new to SIG P320's. Can you use the FCU for multi calibers such as using the 9MM FCU with a caliber change to 40 S&W? Can the 45 FCU be used for 9MM or would there …

Jun 7, 2023 · The main physical difference is that body of the P365 FCU uses a machined casting, as opposed to the stamped sheet metal of the P320. The P365 also has a more …