You go to the Sig website and watch their videos.... http://www.sigsauer.com/CustomerService/MaintenanceGuides.aspx
You must contact SIG to find out.
P239
sig's website states MSRP is $800-$875. I see used from $550-$650 and new around $700.
No, the Sig P239 has a single stacked magazine, while the P229 has a double stacked magazine.
Sig Sauer P229 and P239 chambered in .40 S&W. Here's the press release from Sig.
100-600 depending on specifics
50-400 usd
She usually uses the Sig P229 but in some occasions is carrying the P228 or P239
The price for a used Sig P239 typically ranges from $400 to $700, depending on factors such as condition, included accessories, and the specific caliber. Prices may vary based on the seller and regional demand. It's always a good idea to check recent listings on gun sales websites or local dealers for the most accurate pricing.
NCIS contract calls for over 2,000 pistols to replace the aging fleet of refurbished M11 (SIG P228) pistols purchased more than 15 years ago. The contract represents the first pistol procurement for NCIS agents since the agency's inception. The new P229 and P239 models will be chambered in .40S&W and fitted with SIG SAUER'S exclusive DAK trigger system. http://www.thefirearmblog.com/blog/2008/04/21/ncis-upgrading-to-sig-sauer-40-sw-p229-and-p239-pistols/
The value of a SIG Sauer P239 can vary significantly based on factors such as condition, age, and whether it comes with original packaging or accessories. Generally, you can expect prices to range from around $400 to $800. For a more accurate estimate, it's best to check current listings from reputable dealers or online marketplaces.
There isn't one. Most CIA employees will never see action, let alone have a need for a weapon. Field operatives POS (Procure on Site) to avoid arousing suspicion, and for deniability purposes.