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This product is regulated by ITAR. It can only be shipped in the USA.

What’s Included | Specs | Pictures | FAQ | Restrictions | Related Info

You can never have too many spare mags, but you don’t want to settle for the cheapest thing possible when reliability is non-optional. Whether it’s a carry gun, competition gun, or general-purpose range gun, these OEM SIG magazines ensure proper function and reliability. These magazines are available in a 12-round and 17-round options for the P365/X/XL series or 15, 17, and 21-round options for the P250/P320 series handguns.


One OEM SIG SAUER magazine

  • The 12-Round P365/X/XL magazine includes an additional baseplate that can be easily installed in order to fit the standard P365.
  • The 17-Round P365/X/XL magazine includes two additional interchangeable floor plates to accommodate the grip length differences of the P365, P365X, and P365XL. It comes configured for the P365 XMacro.

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  • Carbon steel construction
  • Anti-friction coating
  • Numbered witness holes
  • High-tensile steel spring
  • Durable polymer follower

Made in the USA or Italy.


P365/X/XL 12-Round magazinesFits flush in the P365X, P365XL, and extended in the P365
P250/P320 15-Round magazinesCompact/X-Compact ONLY
P250/P320 17-Round magazinesAll Models (without SIG magwell)
P250/P320 21-Round magazinesAll Models
The 17-round magazine baseplates will NOT work with the factory SIG Legion magwell. You will need to swap them with Legion baseplates if you use this magwell.

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Are these mags made in the US or Italy?
SIG uses both US and Italian manufacturers for these mags. They use the same part number, so there is no way to guarantee which variety you will receive. Both mags are of similar quality and reliability, so this isn’t something to worry about.

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This product is restricted by International Traffic in Arms Regulations (ITAR) and cannot be shipped outside of the USA.

Some states unconstitutionally restrict the sales, transfer, or ownership of OEM-standard capacity magazines. As a legal policy, we don’t ship restricted items to ANYONE in these states, as detailed below. Note that because we believe that all citizens should have the same rights, we do not make exceptions for military, law enforcement, or government personnel.

Unconstitutional Restrictions on Magazine Capacities by State
Handgun mags over 10 roundsCA, CT, DC, HI, MD, MA, NJ, NY, WA
Handgun mags over 15 roundsCO, IL, VT
Rifle mags over 10 roundsCA, CT, DC, IL, MA, MD, NJ, NY, VT, WA
Rifle mags over 15 roundsCO

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Pistol Recoil Management – Drill – T.REX ARMS

Hard Target Focus vs. Front Sight Focus with Irons – Video – T.REX ARMS

50 Round Pistol Course of Fire – Drill – T.REX ARMS

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