The BXP is a late Cold War era sub machine gun of South African origin. It was developed in response to the arms embargo against South Africa and the resulting shortage of firearms. The weapon was designed and produced by Mechem, but later production rights switched to Milkor and ended up at Truvelo Armory where it is produced today.

The BXP is a blowback operated weapon that fires from an open bolt position. It looks very similar to the MAC-10 and uses a similar mechanism inside. The cocking lever is on top and the other controls are ambidextrous. An underfolding metal stock is fitted. It is possible to add a laser aiming module or collimating sight on top of the BXP.

The BXP fires the 9x19mm round from 22 or 32 round magazines. It has a two stage trigger that allows semi-automatic fire and automatic fire at 1.000 rounds per minute. The effective range is quoted as 50 to 100 meters. Muzzle grenades can be launched using a special muzzle device and blank rounds.

The BXP was adopted by the South African military and South African Police Service. It was also available for export and semi-automatic models were produced for civilian use