This is a factory SIG P226 20-round magazine in 9mm.

In its durable Sig Sauer steel assembly, it can hold up to 20 rounds of 9mm.

You won’t have to worry how many rounds are left in this P226 magazine, as it features convenient witness holes at 5, 10, 15, and 20 rounds.

Also, its longer base plate allows for extra space to grip your Sig Sauer P226.