Specifications for the
Browning M1917 (Model 1917)
Belt-Fed, Water-Cooled Heavy Machine Gun
Country of Origin: United States
Manufacturer: Remington Arms-Union Metallic Cartridge Co; Colt Patent Firearms Mfg Co; New England Westinghouse Co - USA
Initial Year of Service: 1917
Overall Length: 978 mm (38.50 in)
Barrel Length: 609.00 mm (23.98 in)
Weight (Empty): 103.62 lb (47.00 kg)
Caliber: .30-06 Springfield
Action: Recoil-Operated; Automatic
Feed: 250-round fabric belt
Muzzle Velocity: 2,800 ft/sec (853 m/sec)
Rate-of-Fire: 600 rounds per minute
Sights: Flip-Up Adjustable Rear Sight
M1917 - Initial Production Model Designation; tripod-mounted; 450 rounds-per-minute rate-of-fire.
M1917A1 - Remanufactured M1917s; work conducted by Rock Island Arsenal; 450-600 rounds-per-minute rate-of-fire; revised feed unit; re-graduated sights; revised tripod.
M1918 - Aircraft Version; air-cooled; heavier barrel with lighter pierced jacket casing.
M1918M1 - Flexible-mounted variant of aircraft-based, air-cooled M1918.
M1919 - Revised and simplified version based on the M1917 series; air-cooled; developed for calvary use in WW1 but appeared too late; heavier barrel with lighter "cut" casing jacket; developed into the M1919A1, M1919A2, M1919A3, M1919A4, M1919A4E1, M1919A5 and M1919A6.
M37 - Tank Machine Gun based on the M1919; left- or right-handed feed system; ejection chute for metallic link belts.
M2 - Developed from outset as aircraft-based weapon; solenoid-based release or spade grips.
Mark 1-1 Model 0 - US Navy use; 7.62x51mm NATO ammunition; differing feed and barrel; based on M1919A4.
Ksp m/36 - Swedish designation of M1917; produced in 6.5x55mm anti-infantry and 8x63mm anti-aircraft versions; later re-chambered for 7.62x51mm NATO ammunition.
Ckm wz.30 - Polish designation of M1917 copies chambered to fit the 7.92x57mm Mauser round.
M/29 - Norwegian designation of M1917.
Colt Model 1917 - Commercial Variant produced by Colt; based on the M1917.
Colt Model 1928 - Commercial Variant produced by Colt; Type A flash hider; thumb-mounted safety; Argentine designation of Colt-produced Model 1917s.
Colt MG38 - Commercial Variant produced by Colt; water-cooled; spade grips.
Colt MG38B - Commercial Variant produced by Colt; water-cooled; spade grips.
Colt MG38BT - Commercial Variant produced by Colt; shorter heavy barrel; air-cooled; similar to Browning M1919A2 model; developed for use as a tank-mounted anti-infantry machine gun; spade grips.
Argentina; Norway; Poland; Sweden; United States