Firearms from United States

3,814 firearms designed or made in United States, each structured the same way, with the sources behind every figure.

Marston Derringer

Introduced: 1852
Weight: 0.79 kg
Barrel: 127 mm

Marston Three-Barrel Derringer

Introduced: 1858
Weight: Not recorded
Barrel: 79 mm

Martin Meylin Longrifle

Introduced: 1719
Weight: 3.60 kg
Barrel: 1270 mm

MasterPiece Arms 6.5 BA

Introduced: 2016
Weight: 5.67 kg
Barrel: 610 mm

MasterPiece Arms Defender 30K

Introduced: 2026
Weight: 1.90 kg
Barrel: 114 mm

Masterpiece Arms MPA BA PMR Pro II

Introduced: 2021
Weight: 6.69 kg
Barrel: 660 mm

Maverick SA

Introduced: 2024
Weight: 3.17 kg
Barrel: 711 mm

Maxim 9

Introduced: 2017
Weight: 1.05 kg
Barrel: 111 mm

Maxim Defense MD:10L

Introduced: 2023
Weight: 3.60 kg
Barrel: 406.4 mm

Maxim Defense MD:11

Introduced: 2026
Weight: 4.08 kg
Barrel: 457.2 mm

Maxim Defense MD:15 Duty

Introduced: 2024
Weight: 2.92 kg
Barrel: 406.4 mm

Maxim Defense MD:15 Duty Precision

Introduced: 2025
Weight: 3.49 kg
Barrel: 457.2 mm

Maxim Defense MD:15L

Introduced: 2022
Weight: 2.89 kg
Barrel: 406.4 mm

Maxim Defense MD:15L 6mm ARC

Introduced: 2024
Weight: 3.09 kg
Barrel: 457.2 mm

Maxim Defense MD:9 CQB 905

Introduced: 2022
Weight: 2.77 kg
Barrel: 139.7 mm

Maxim Defense MD:9 CQB 908

Introduced: 2022
Weight: 2.33 kg
Barrel: 215.9 mm

Maxim Defense MD:9 Carbine

Introduced: 2023
Weight: 2.77 kg
Barrel: 406.4 mm

Maxim Defense MD:9 K

Introduced: 2023
Weight: 2.50 kg
Barrel: 114.3 mm

Maxim Defense MDX:508

Introduced: 2020
Weight: 2.86 kg
Barrel: 215.9 mm

Maxim Defense MDX:510

Introduced: 2020
Weight: 2.86 kg
Barrel: 261.6 mm

Maxim Defense PDX

Introduced: 2018
Weight: 2.58 kg
Barrel: 139.7 mm

Maxim Defense PDX:SD

Introduced: 2022
Weight: 3.35 kg
Barrel: 139.7 mm

Maxim Defense SDX RFLX

Introduced: 2025
Weight: 3.64 kg
Barrel: 215.9 mm

Maxim Defense SDX:505

Introduced: 2023
Weight: 3.35 kg
Barrel: 139.7 mm

Firearm rankings34

Browse by type11

Browse by country46

Browse by action22