Howitzer Cannons

Following is one of the more recent 105-mm rounds, among those described in Appendix (1967) to Ref 52  

105-mm HE, RA (Higb-Explosive-Rocket Action) Semifixed Ammunition XM548 for Howitzer Cannons, shown in Fig 43b, is used against personnel and materiel, producing blast and fragmentation at the target. 

The cartridge has an increased maximum range, reduced minimum range and greater lethality than HE cartridge Ml which contains 4.80 lb of TNT or 5.08 lb of Comp B. 

Fig 43c 105-mm APERS-T (ANTIPERSONNEL-TRACER) SEMIFIXED AMMUNITION XM546 FOR HOWITZER CANNONS 

105-mm APERS-T (Antipersonnel-Tracer) Semifixed Round XM546, shown in Fig 43c, is intended primarily for antipersonnel use at close and long ranges. It is also effective against personnel in dense foliage 

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Here primers and igniters are separate elements and not in one piece as for igniting proplnts in gun howitzer cannons, and in recoilless rifles. The weapons known as 60-mm Mortar Cannons M2 M19 arid 81-mm Mortar Cannons Ml M29 are smooth-bore. 

Similar in appearance and in function are 155-mm HE, Ml07 Projectile w/Suppl Chge for use in howitzer cannons (Ref 52, pp 2-130 2-131) and 8-inch HE, M106 Projectile w/Suppl Chge for use in howitzer cannons (Ref 52, p 2-144)... 

APERS-T (Antipersonnel-Tracer) Projectiles. The following calibers are listed in Ref 52 and its Appendix 90-mm APERS-T, XM580E1 for Gun Cannons (p 2-49) 105-mm APERS-T, XM546 for Howitzer Cannons (p 2-112). This projectile, together with its semifixed cartridge, is shown in Fig 43c. 

This BE type of smoke projectile has also been used in 105-mm Howitzer Cannon as 105-mni Smoke BE Projectile Mll6 (Ref 52 Sc Appendix, p 2-135)... 

Similar in construction to the above gas projectiles are the following listed in Ref 52 105-mm Gas GB Non-Persistent Projectile M360 for Howitzer Cannon ( p 2-120) 105-mm Gas H HD Persistent Projectile M60 Projectile for Howitzer Cannon (p 2-120) 4.2-inch Gas Non-Persistent (CNB, CNS, CK or CG) M2 Series Projectile for Mortar (pp 4-51 8t 4-52) 4.2-inch Gas Persistent (H, HD or HT) M2 Series Projectile for Mortars (pp 4-51 4-52) 155-mm Gas GB Non-Persistent M121 Series Projectile for Howitzer Cannons (p 2-133) 155-mm Gas GB Non-Persistent M122 Projectile for Gun Cannons (p 2-93) 155-mm Gas HD Persistent, M104 Projectile for Gun Cannons (p 2-92) 155-mm Gas H or HD Persistent Projectile Ml 10 for Howitzer Cannon (p 2-131) 8-inch Gas GB, Non-Persistent Projectile M426 for Howitzers (p2-146) and 8-inch Gas VX Persistent Projectile M426 for Howitzers (p2-l46)... 

Artillery ammunition for guns, howitzers, cannons, and mortars ranges upwards in calibre from the 20mm limit that generally divides it from small-arms ammunition. Artillery ammunition is divided into three types ... 

Howitzer Cannon capable of both high-angle and low-angle firing. 

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