<Tr> <Td> SIG Sauer P226 (designated L105A1 / L105A2) </Td> <Td> Semi-automatic </Td> <Td> 9 × 19mm Parabellum </Td> <Td> 1995--Present </Td> </Tr> <Tr> <Td> Glock 17 Generation 4 (designated L131A1) </Td> <Td> Semi-automatic </Td> <Td> 9 × 19mm Parabellum </Td> <Td> 2013--Present </Td> </Tr> <Table> <Tr> <Th> Firearm </Th> <Th> Type </Th> <Th> Caliber </Th> <Th> Service Years </Th> <Th> Service Branch </Th> </Tr> <Tr> <Td> Harpers Ferry Model 1805 </Td> <Td> Flintlock </Td> <Td>. 54 </Td> <Td> 1805--? </Td> <Td> </Td> </Tr> <Tr> <Td> Model 1816 Flintlock Pistol </Td> <Td> Flintlock </Td> <Td>. 54 </Td> <Td> 1816--? </Td> <Td> </Td> </Tr> <Tr> <Td> Model 1836 Flintlock Pistol </Td> <Td> Flintlock </Td> <Td>. 54 </Td> <Td> 1836--1842 </Td> <Td> </Td> </Tr> <Tr> <Td> Model 1842 Percussion Pistol </Td> <Td> Percussion Cap </Td> <Td>. 54 </Td> <Td> 1842--1865 </Td> <Td> </Td> </Tr> <Tr> <Td> Colt M1847 Walker </Td> <Td> Cap and ball revolver, single - action </Td> <Td>. 44 </Td> <Td> 1847--1848 </Td> <Td> </Td> </Tr> <Tr> <Td> Colt M1848 Dragoon </Td> <Td> Cap and ball revolver, single - action </Td> <Td>. 44 </Td> <Td> 1848--1860 </Td> <Td> </Td> </Tr> <Tr> <Td> Colt M1851 Navy </Td> <Td> Cap and ball revolver, single - action </Td> <Td>. 36 </Td> <Td> 1851--1873 </Td> <Td> </Td> </Tr> <Tr> <Td> Colt Army Model 1860 </Td> <Td> Cap and ball revolver, single - action </Td> <Td>. 44 </Td> <Td> 1860--1873 </Td> <Td> </Td> </Tr> <Tr> <Td> Remington Model 1858 </Td> <Td> Cap and ball revolver, single - action </Td> <Td>. 36, . 44 </Td> <Td> 1862--1875 </Td> <Td> </Td> </Tr> <Tr> <Td> Smith & Wesson Model No. 3 </Td> <Td> Single - action cartridge revolver </Td> <Td>. 44 S&W American </Td> <Td> 1871--1873 </Td> <Td> </Td> </Tr> <Tr> <Td> Colt Single Action Army </Td> <Td> Single - action cartridge revolver </Td> <Td>. 45 Colt </Td> <Td> 1873--1892 </Td> <Td> </Td> </Tr> <Tr> <Td> Smith & Wesson Model No. 3 </Td> <Td> Single - action cartridge revolver </Td> <Td>. 45 Schofield </Td> <Td> 1875--1898 </Td> <Td> </Td> </Tr> <Tr> <Td> Colt M1892 </Td> <Td> Double - action revolver </Td> <Td>. 38 Long Colt </Td> <Td> 1892--1909 </Td> <Td> </Td> </Tr> <Tr> <Td> M1909 </Td> <Td> Double - action revolver </Td> <Td>. 45 Colt </Td> <Td> 1909--1911 </Td> <Td> </Td> </Tr> <Tr> <Td> M1911 </Td> <Td> Semi-automatic </Td> <Td>. 45 ACP </Td> <Td> 1911--1924 </Td> <Td> </Td> </Tr> <Tr> <Td> M1917 </Td> <Td> Revolver </Td> <Td>. 45 ACP </Td> <Td> 1917--1954 </Td> <Td> </Td> </Tr> <Tr> <Td> M1911A1 </Td> <Td> Semi-automatic </Td> <Td>. 45 ACP </Td> <Td> 1924--Present </Td> <Td> </Td> </Tr> <Tr> <Td> Beretta M9 </Td> <Td> Semi-automatic </Td> <Td> 9 × 19mm Parabellum </Td> <Td> 1985--Present </Td> <Td> </Td> </Tr> <Tr> <Td> SIG Sauer M11 </Td> <Td> Semi-automatic </Td> <Td> 9 × 19mm Parabellum </Td> <Td> 1988--Present </Td> <Td> U.S. Navy </Td> </Tr> <Tr> <Td> Heckler & Koch Mark 23 Mod 0 </Td> <Td> Semi-automatic </Td> <Td>. 45 ACP </Td> <Td> 1996--Present </Td> <Td> United States Special Operations Command </Td> </Tr> <Tr> <Td> SIG P229 DAK </Td> <Td> Semi-automatic </Td> <Td>. 40 S&W </Td> <Td> 2006--Present </Td> <Td> United States Coast Guard </Td> </Tr> <Tr> <Td> Heckler & Koch HK45C (designated Mark 24 Mod 0) </Td> <Td> Semi-automatic </Td> <Td>. 45 ACP </Td> <Td> 2010--Present </Td> <Td> United States Naval Special Warfare Command </Td> </Tr> <Tr> <Td> SIG Sauer P226 MK25 </Td> <Td> Semi-automatic </Td> <Td> 9 × 19mm Parabellum </Td> <Td> 2011--Present </Td> <Td> United States Navy SEALs) </Td> </Tr> <Tr> <Td> Glock 19 </Td> <Td> Semi-automatic </Td> <Td> 9 × 19mm Parabellum </Td> <Td> 2015--Present </Td> <Td> United States Navy SEALs) </Td> </Tr> <Tr> <Td> SIG Sauer M17 Modular Handgun System </Td> <Td> Semi-automatic </Td> <Td> 9 × 19mm Parabellum </Td> <Td> 2017--Present </Td> <Td> </Td> </Tr> </Table> <Tr> <Th> Firearm </Th> <Th> Type </Th> <Th> Caliber </Th> <Th> Service Years </Th> <Th> Service Branch </Th> </Tr>

What kind of pistol does the army use