Sig Sauer SIMAGMODF4318 Magazine for P250/P320 (18‑round, .357Sig/.40S&W)
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Sig Sauer SIMAGMODF4318 magazine for Sig P250/P320 full-size — 18‑round capacity specified for .357 Sig and .40 S&W. Pack quantity: 5 (SKU SIMAGMODF4318).
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Description
Description
Product Overview
Sig Sauer SIMAGMODF4318 is a handgun magazine listed to fit Sig P250 and P320 full-size pistols and is specified for .357 Sig and .40 S&W cartridges. The record indicates an 18-round capacity. Pack quantity: 5. SKU: SIMAGMODF4318.
Why This Product
Buyers needing replacement or spare magazines for Sig P250/P320 full-size pistols chambered in .357 Sig or .40 S&W will select this SKU based on the explicit fit and caliber information and the 18‑round capacity.
Key Verified Specifications
- Brand: Sig Sauer (source: product-276634:f002, f006, f007)
- Compatibility: Fits Sig P250/P320 full size (source: product-276634:f009)
- Chamberings listed: .357 Sig and .40 S&W (source: product-276634:f010)
- Capacity (as presented in full name): 18 rounds (source: product-276634:f001/full)
- Pack quantity: 5 (source: product-276634:f008, f011)
- SKU: SIMAGMODF4318 (source: product-276634:f013)
Appropriate Use Cases
- Maintaining spare magazines for Sig P250 or P320 full-size pistols chambered in .357 Sig or .40 S&W (source: product-276634:f009, f010).
- Retail or armory stocking where magazines are sold or issued in multi-unit packs (pack qty 5) (source: product-276634:f008).
What Customers Should Know
- Compatibility is stated as “Fits Sig P250/320 Full Size” and listed for .357Sig/.40S&W; do not assume fit for other models, compact versions, or different calibers unless explicitly confirmed (source: product-276634:f009, f010).
- Pack quantity is 5 units; verify whether single magazines or the multi-pack matches your procurement needs (source: product-276634:f008).
Specifications
- Short Stroke Gas Piston Gas System (Rifle Length)
- 18.6″ Barrel Length ( Mid-Weight style, non-fluted)
- 1:8 Twist Rate Rifling

