The Comp-Tac QD Holster is a combination holster that allows for a safe and secure fit of multiple firearms. The QD Holster is ambidextrous and concealable with IWB and OWB wear, all in one holster! It has a strong design and gentle edges to avoid damaging clothing or belts, and the retention adjustment screws provide the perfect hold for each user. Available in 4 sizes: Size 1 fits Glock 9/40/357 All Lengths(Not .40 Gen5) , Glock 41, Glock 36, M&P 9/40/357 All Lengths (Not Shield), Walther PPQ/M2 All Lengths, Q5 Match (Not Steel Frame), Canik TP9 SFX. Size 2 fits Beretta APX, Canik TP9 SFE, CZ P07 P09, P-10 All lengths, FN FNX, FNS 40C/ 9L, 509, HK VP40, P30, P30L, P30SK, USPs Full Size and Compact, P2000, 45 FS/C, Ruger SR9 Full Size and Compact, Ruger 5.7, American All lengths, S&W M&P .45s (Not Shield), Springfield XD/ XDM/ Mod 2 All Lengths and Calibers, Glock 20 All Versions, Glock 40, G23/22/27/35 Gen5, G29/30 NR, Sig 250 All Variations, Sig 320 All Variations, Sig P226 All Variations, Sig 229 All Versions, 220 NR, Taurus All .45 Millennium and Millennium Pro, Walther PPQ .45, Creed, PDP All lengths, STI GP6. Size 3 fits Glock 43, 43X, 43X MOS, 48, 48 MOS, Springfield XD-S, S&W Shield, Shield EZ-9, Walther PPS, Walther CCP, Ruger Max-9. Size 4 fits 1911s, Colt, Remington, Kimber, Springfield All Models Including TRP Half and Full Rail, Sig 1911s, All Mil-Spec.