Copyright International Ammunition Association, 2010. All rights reserved.
Cartridge of the Month August 2010


British 7mm series Bullet Types
Specimens and photos courtesy of Paul Smith

Following WWII (1947-1951) Britain developed spent a number of years working to develop a short cased assault rifle round in 7mm caliber. Within this series of rounds a large number of projectile types were developed.

Below are some examples. Many of these projectiles can be loaded into more than one case type from the series.


#1        .280/30 - This round is loaded with the Type C ball projectile which has a pointed mild steel core with lead tip filler and base pad and is identified by a salmon pink tip. This round is headstamped RG 49 280/30


#2        .280/30 – This round is loaded with the Type AA ball projectile which has a pointed mild steel core with boat-tailed base and lead tip filler and base pad and is identified by a brown tip. This round is headstamped RG 50 280/30


#3        .280/30 – This round is loaded with an AP projectile which has a blunt hardened steel core with lead tip filler and base pad and is identified by an eggshell blue tip. Bullet drawing number D6/L/761. This round is headstamped RG 49 280/30


#4        .280/30 – This round is loaded with the Type A ball projectile which has a GM jacket, mild steel core and lead tip filler and base pad. There is no tip colour. This round is headstamped RG 49 280/30


#5        7 mm Second Optimum. This ball round uses the Belgian S12 ball projectile with CNCS jacket and lead core. This round is headstamped FN 55


#6        7 mm Mark 1Z. The projectile is the same as #5, but some were painted with yellow tips. This was the final version of this caliber. This ball round is loaded with the S12 Belgian projectile which has a CNCS jacket and lead core. This round is headstamped RG 51 280/30


#7        7mm High Velocity. This round uses the Type B ball projectile with has a GMCS jacket, lead core and paper tip filler, as indicated by the yellow tip. This round is headstamped RG 52 7 M/M H.V.

 

References:
Peter Labbett and P.J.F. Mead, British 7mm Ammunition, TAG 2/1.


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  Revised 1 September 2010