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Highest-capacity .45 ACP pistols

The 25 .45 ACP pistols with the largest standard capacity, of 129 in the catalogue with a recorded capacity. Ties are broken by weight, lighter first. The median is 8 rounds.

RankFirearmCapacityWeightYear
1stGForce Arms JawboneGForce Arms JawboneGForce ArmsGForce Arms26 rounds2.55 kg2026
2ndGrand Power Stribog SP45Grand Power Stribog SP45Grand PowerGrand Power25 rounds2.47 kg2023
3rdArsenal Firearms AF2011-A1Arsenal Firearms AF2011-A1Arsenal FirearmsArsenal Firearms16 rounds1.81 kg2012
4thAngstadt Arms UDP-45Angstadt Arms UDP-45Angstadt ArmsAngstadt Arms15 rounds2.27 kg2018
=5thGlock G21 Gen5 MOSGlock G21 Gen5 MOSGlock Ges.m.b.H.Glock Ges.m.b.H.13 rounds735 g2023
=5thGlock G21 V MOSGlock G21 V MOSGlock Ges.m.b.H.Glock Ges.m.b.H.13 rounds735 g2025
=5thGlock G21 SFGlock G21 SFGlock Ges.m.b.H.Glock Ges.m.b.H.13 rounds740 g2007
=5thGlock 21 Gen4Glock 21 Gen4Glock Ges.m.b.H.Glock Ges.m.b.H.13 rounds745 g2012
=5thGlock G21 Gen4Glock G21 Gen4Glock Ges.m.b.H.Glock Ges.m.b.H.13 rounds745 g2012
=5thGlock G41 Gen4Glock G41 Gen4Glock Ges.m.b.H.Glock Ges.m.b.H.13 rounds765 g2014
=5thGlock G41 Gen4 MOSGlock G41 Gen4 MOSGlock Ges.m.b.H.Glock Ges.m.b.H.13 rounds767 g2015
=5thPolymer80 PF45Polymer80 PF45Polymer80, Inc.Polymer80, Inc.13 rounds780 g2016
=5thTaurus TH45Taurus TH45TaurusTaurus13 rounds845 g2023
=5thIMBEL MD1IMBEL MD1Industria de Material Belico do BrasilIndustria de Material Belico do Brasil13 rounds1.01 kg1989
=5thPardini GT45Pardini GT45Pardini Armi S.r.l.Pardini Armi S.r.l.13 rounds1.06 kg2003
=16thTaurus PT845Taurus PT845TaurusTaurus12 rounds900 g2010
=16thHK Mk 23 Mod 0 SOCOMHK Mk 23 Mod 0 SOCOMHeckler & Koch GmbHHeckler & Koch GmbH12 rounds1.12 kg1996
=18thGlock G30SGlock G30SGlock Ges.m.b.H.Glock Ges.m.b.H.10 rounds575 g2013
=18thTaurus Millennium Pro PT-145Taurus Millennium Pro PT-145TaurusTaurus10 rounds652 g2003
=18thGlock 30 Gen4Glock 30 Gen4Glock Ges.m.b.H.Glock Ges.m.b.H.10 rounds675 g1996
=18thGlock G30 Gen4Glock G30 Gen4Glock Ges.m.b.H.Glock Ges.m.b.H.10 rounds675 g1996
=18thGlock G30 Gen5Glock G30 Gen5Glock Ges.m.b.H.Glock Ges.m.b.H.10 rounds745 g2023
=18thGlock G30 SFGlock G30 SFGlock Ges.m.b.H.Glock Ges.m.b.H.10 rounds745 g2007
=18thSmith & Wesson M&P45 2.0Smith & Wesson M&P45 2.0Smith & WessonSmith & Wesson10 rounds765 g2017
=18thRuger SR45Ruger SR45Sturm, Ruger & Co.Sturm, Ruger & Co.10 rounds855 g2013

Ranked from the catalogue's own measured figures, the same records the API serves. A record whose weight, length, barrel and capacity match a set shared by ten or more records from five or more makers is a default rather than a measurement, and is left out, as is a record with fewer than five of the figures a reader looks for.