.50 inch Browning Tracer

The case was the standard .50 inch Browning case with Boxer primer. Typical headstamps were "CAL 50 FA 39" if supplied by the American government or "REM-UMC 50CAL Z" if supplied on contract for the RAF.

The bullet was flat based with a gilding metal envelope, the tracer compound being directly loaded into the rear part of the envelope with no separate tracer canister. The bullet had a red tip and weighed 675 grains.

"Cartridge S.A. Tracer .50 inch Browning G Mark IIIz" was approved in late 1943 or early 1944.

The case was a British made standard .50 inch Browning with a Berdan primer. The Mark number was not included in the headstamp which was typically "SR 1944 .50". The primer had a red annulus.

The bullet was flat based with a gilding metal envelope with a forward core of lead, the tracer compound being directly loaded into the rear part of the envelope with no separate tracer canister. The base of the bullet was sealed with a brass washer. The tracer load consisted of 12 grains of compressed paper followed by 55 grains of NT.4 composition with 2 grains of P.5 priming composition on top of that. Bullet weight was 712 grains and had a grey tip for identification..

The bullet traced dark for 50 yards and then bright to 550 yards.

Muzzle velocity was 2,700 fps at a pressure of between 21 and 22 tsi.

The case was a British made standard .50 inch Browning with a Berdan primer. The Mark number was not included in the headstamp which was typically "SR 44 .50". The primer had a red annulus.

Like its predecessor, the bullet was flat based with a gilding metal envelope with a forward core of lead, the tracer compound being directly loaded into the rear part of the envelope with no separate tracer canister. The base of the bullet was sealed with a brass washer. The tracer load consisted of 12 grains of Bakelite followed by 40 grains of SR 465 composition with 12 grains of SR 458 priming composition on top of that. Bullet weight was 703 grains and had a grey tip for identification..

The bullet traced dark for 50 yards and then bright to 550 yards.

"Cartridge S.A. Tracer .50 inch Browning G Mark 6z" was approved in the early 1950s and unlike previous marks of British tracers it was not lead cored. It was originally approved for Air Service and later extended to Land Service.

The case was a British made standard .50 inch Browning with a Berdan primer with a red primer annulus. The headstamp included the Mark numeral and was typically "K56 .50 G.6.Z"

The bullet had a mild steel core with a lead tip filler. The core was bored at the rear to accept the tracer composition. For identification the tip was coloured reddish brown and this was supplemented by four knurled rings above the case mouth.

The trace was dim for 80 yards and bright to 2,000 yards

This was the ICI Kynoch made M.17K which was basically a copy of the American M17 tracer although the bullets differed in detail. The Kynoch design number was AP.1208.

The case was a standard .50 inch Browning fitted with a Berdan primer. The primer annulus was usually purple but sometimes red. The headstamp sometimes included the type, typically "K 87 M17", but otherwise was a generic "K76 .50".

The bullet had a gilding metal envelope with a mild steel core recessed at the base to take the tracer composition. There was a lead alloy tip filler. The bullet had a red tip for identification and two thin knurled rings above the case mouth to supplement this. Bullet weight was 675 grains

The bullet traced dark for 400 metres with the trace visible for 4.5 seconds, timed from the muzzle exit. Muzzle velocity was 2,900 fps.

The round is of standard .50 inch tracer appearance and the headstamp includes "L9A1". the bullet has a red tip for identification.