FLUX DEFENSE Raider 365 Side Folding Rifle Stock - Long w/SBR Endplate Black. Do NOT install pistol brace end plate onto the long arm. The long arm length of pull is longer than 13.5 inches and can no longer qualify as a pistol brace. Specifications for FLUX DEFENSE Raider 365 Side Folding Rifle Stock - Long w/SBR Endplate: Manufacturer: FLUX DEFENSE Gun Make: SIG Sauer Gun Model: SIG Sauer P365 Color: Black Package Contents: FLUX DEFENSE Raider 365 Side Folding Rifle Stock - Long w/SBR Endplate What firearm models does the manufacturer say FLUX DEFENSE Raider 365 Side Folding Rifle Stock - Long w/SBR Endplate is compatible with? The manufacturer suggests that FLUX DEFENSE Raider 365 Side Folding Rifle Stock - Long w/SBR Endplate is compatible with SIG Sauer P365FLUX DEFENSE 165-00027: Raider 365 Side Folding Rifle Stock - Long w/SBR Endplate Black