SIG SAUER MCX Barrel Clamp Spring

SIG SAUER Spring - Barrel Clamp. 56x45mm NATO .300 AAC Blackout .223 Remington Finish: Unfinished Fabric/Material: Steel Gun Make: SIG Sauer Gun Model: SIG Sauer MCX Package Contents: SIG SAUER Spring Barrel Clamp SIG SAUER Infinite Guarantee What firearm models does the manufacturer say SIG SAUER Spring Barrel Clamp is compatible with? The manufacturer says that SIG SAUER Spring Barrel Clamp is compatible with SIG Sauer MCXSIG SAUER 2400616-R: Spring - Barrel Clamp