BlackHawk CQC SERPA w/Beltloop & Paddle Holsters Glock 20/Glock 37/Glock 21/Smith & Wesson M&P 45L Left Hand Matte Black. Specifications for BlackHawk CQC SERPA Holster w/Beltloop & Paddle: Manufacturer: BlackHawk Finish: Matte Barrel Length: 5 in Fastener/Closure Type: SERPA Holster Material: Injection Molded Holster Type: Paddle Holster Application: Concealment Quantity: 1 Condition: New Features of BlackHawk CQC SERPA Holster w/Beltloop & Paddle SERPA Auto Lock solidly secures firearm only releases during draw cycle Aids in rapid draw target acquisition and re-holster Belt loop paddle platform included; also fits Shoulder S.T.R.I.K.E. Quick Disconnect and Tactical Holster Platforms Passive retention detent adjustment screw aids in weapon retention Package Contents: BlackHawk CQC SERPA Holster w/Beltloop & Paddle What firearm models does the manufacturer say BlackHawk CQC SERPA Holster w/Beltloop & Paddle is compatible with? The manufacturer suggests that BlackHawk CQC SERPA Holster w/Beltloop & Paddle is compatible with Heckler & Koch USP Compact .45 ACP Heckler & Koch USP Compact .40 S&W Heckler & Koch P2000 Heckler & Koch USP Compact 9mm Luger Glock 22 Glock 31 SIG Sauer P227 SIG Sauer P228 SIG Sauer P225 SIG Sauer P220 SIG Sauer P226 Beretta 96 Beretta 92 Glock 17 SIG Sauer P229 Colt 1911 Government 5in Glock 36 Glock 32 Glock 23 Glock 19BlackHawk 410513BK-L: CQC SERPA Beltloop/Paddle Holster Left Hand Matte Black For Glock 20/21