100 mm anti-tank gun M1977

A407 100mm anti-tank gun M1977 Batalionul 612 artilerie antitanc 18.jpg 250 A407 gun of the 612th Anti-tank Battalion. Socialist Republic of Romania Anti-tank gun yes 1975–present Gulf War Arsenal Reşiţa 3150 kg on 9.250 m 4.630 m 2.250 m 1.530 m 8 100 x 695 mmR 100 mm in 7 to 15 rounds per minute 900 m/s for HE 1400 m/s for APFSDS-T 1.040 m for AP 1.728 m for APFSDS-T 20.600 m (HE) 4.000 m (AP) 3.000 m (HEAT) mechanical sight, panoramic sight, optical sight, collimator −5°/+37° 27°30' left and right The A407 100mm anti-tank gun M1977 is a Romanian rifled 100-mm anti-tank gun which serves as the main towed anti-tank gun of the Romanian Land Forces from 1975 until present. Versions of the M1977 gun were installed on main battle tanks (TR-77 and TR-85) and ship turrets on river monitors. History The A407 100mm anti-tank gun was the first artillery piece designed in Romania after World War II. The first variant of the gun, the M1975 (M stands for Model) had a semi-automatic horizontal sliding wedge type breech lock. The second variant, M1977, had a more practical vertical sliding wedge breech block.Stroea A., page 146 The M1977 can be also used as a field gun at brigade level, as it has a maximum range of 20.6 kilometers. After 1992, the M1977 anti-tank guns were modernized with improved optical sights.Stroea. A, page 148 The gun can be towed with the DAC 665T truck and has a maximum road speed of 60 km/h on road and 30 km/h off-road. Variants M1975 - used the horizontal sliding wedge breech lock. M1977 - used the vertical sliding wedge breech lock. M2002 - modernized version of M1977 with a FCS TAT-100.24 April 2025 Arsenal Resita https://www.arsenal.ro/tun100.html Adaptations:Stroea A., page 147 A 308 - tank gun used for TR-77 and TR-85 main battle tanks. A 430 - 100 mm gun used for ship turrets. Operators Iraq 1991Marine Corps Intelligence Activity Iraq Country Handbook U.S. Government Printing Office 1998 https://www.sabrizain.org/iraq/Marines.pdf A-52 28 January 2024 https://web.archive.org/web/20050528131010/http://www.sabrizain.org/iraq/Marines.pdf 28 May 2005 − One was delivered in 1993.UN Disarmament https://web.archive.org/web/20081214211015/http://disarmament.un.org/UN_REGISTER.NSF 2008-12-14 http://es.rice.edu/projects/Poli378/Korea/Korea.North.html Military Forces of North Korea 2016-03-10 2012-02-05 https://web.archive.org/web/20120205094734/http://es.rice.edu/projects/Poli378/Korea/Korea.North.html dead − 208 M1977 towed anti-tank guns in 2010.http://www.iiss.org/publications/military-balance/ IISS Military Balance 2010 2011-02-26 2013-01-19 https://web.archive.org/web/20130119002336/http://www.iiss.org/publications/military-balance/ dead See also T-12 antitank gun D-10 tank gun 100 mm field gun M1944 (BS-3) References Citations 2 Bibliography Foss Christopher F. Jane's Armour and Artillery 2005-2006 2005 Jane's Information Group 978-0-7106-2686-8 Stroea Adrian Băjenaru, Gheorghe Artileria română în date și imagini (Romanian artillery in data and images) 2010 Editura Centrului Tehnic-Editorial al Armatei 978-606-524-080-3 Romanian External links Arsenal Reşiţa website https://web.archive.org/web/20200309133312/http://www.arsenal.ro/Arsenal/ 2020-03-09 Video _xfLBpWOuzc Video of the M1977 firing Category:100 mm artillery Category:Artillery of Romania Category:Anti-tank guns of the Cold War