SIG SAUER 1911 WTP BB-Gun 1911 17 Round Air Rifle Magazines. 5MM 1911 Specifications for SIG SAUER 1911 WTP BB-Gun 1911 17 Round Air Rifle Magazines: Manufacturer: SIG SAUER Color: Black Fabric/Material: Polymer Magazine Capacity: 17 Round Projectile Caliber: .177 Caliber Gun Make: SIG Sauer Gun Model: SIG Sauer 1911 Number of Rounds: 17 Package Contents: SIG SAUER 1911 WTP BB-Gun 1911 17 Round Air Rifle Magazines Allen Wrench SIG SAUER Infinite Guarantee What firearm models does the manufacturer say SIG SAUER 1911 WTP BB-Gun 1911 17 Round Air Rifle Magazines is compatible with? The manufacturer suggests that SIG SAUER 1911 WTP BB-Gun 1911 17 Round Air Rifle Magazines is compatible with SIG Sauer 1911SIG SAUER AMPC-BB-WTP: 1911 WTP BB-Gun 1911 17 Round Air Rifle Magazines