||Notes and acceptance tests
||Cupro-nickel envelope, lead/antimony core and aluminium tip. Two cannelures. Secured by coning into forward cannelure and indenting into rearward.
||Obsolescent [As of 1945 publication]. Rimless case. Figures “469” on base.
||142.5gr. Cordite 7/2
||Weight 580gr. Coated steel envelope, lead/antimony core and aluminium tip. Slightly longer than Mk. 1.
||Mk. 2 obsolescent [As of 1945 publication]. Accuracy: 9-in. F. of M. at 500 yards.
||142gr. Cordite 7/2
||Weight 580gr. Steel envelope coated with cupro-nickel, combined tip and sleeve of lead/antimony and hard steel core.
||Before 1934, “W” was omitted from base stampings. Accuracy: 12-in. F. of M. at 500 yards. Penetration: 70 per cent., 18mm. Armour Plate at 100 yards.
||142gr. Cordite 7/2
||Weight 580gr. Coated steel envelope, lead/antimony sleeve and steel core.
||Accuracy: 12-in. F. of M. at 500 yards. Penetration: 70 per cent., 15 mm. Armour Plate at 100 yards.
||Weight 542gr. Similar to F. Mk. 1, except that core is recessed to take 6 gr. S.R.368 (tracing) and 6 gr. S.R.370 (priming). Base closed by brass washer with envelope turned over on to it.
||Accuracy: 12-in. F. of M. at 500 yards. Penetation: 70 per cent., 15 mm. Armour Plate at 100 yards. Tracing: 85 per cent. must trace to 100 yards.
||Weight 549gr. No information re make-up of filling.
||Accuracy: As for F.G.1z. Penetration: As for F.G.1z. Tracing: Dark Ignition, 85 per cent. must trace to 800 yards after 100 ± 40 yards.
||Weight 562gr. Make-up similar to .303 B, Mk. 7. Filling 28gr. S.R.365 and 2gr. Q.F. composition.
||Accuracy: 18-in. F. of M. at 500 yards. Performance: 17/20 good flashes on impact.
||140gr. Cordite 3½
||Ball 1z Bullet. Weight 580gr.
||Cartridge coppered all over. Gives pressure of 17/29 tons per sq.in.
||Weight 590gr. Copper alloy or coated steel envelope with lead/antimony core and aluminium tip.
||Non-explosive. Wooden distance piece under bullet. Chromium-plated brass, or white metal case.
||Weight 370gr. Cupro-nickel envelope and aluminium core.
||Non-explosive. Wooden distance piece. Case of chromium-plated brass with 3 longitudinal grooves in body. Empty cap chamber.