This loading is an Nitro's idea. It was tested by Alex with great instruments. This cartridge is loaded with 33 grams of shot (italian sizei n° 7,5). In this test we have used the Gualandi Spark . As You can see the pressure regarding pressure and velocity are very interesting .
Hull		Gauge 12 Mark Fiocchi Model T2 Plastic Closing Adapted for only crimp closure Base height 12 mm Total height 70 mm Type Plastic case with plane base wad. Primer DFS 615 (Medium Power) Details This case is shived
Primer		Model DFS 615 Mark Fiocchi Varnish Red Chamber Copper Power Medium power Use It is valid for all the kind of lead basis weight. Note The explosive mixture used does not contain corrosive compounds.
Powder		Model S4n (Anno 2007) Mark Fiocchi Color Dark gray Type Double Base Dimension nominal dimension: 1,00x1,00x0,12mm Density medium gravimetric density: 620 g/l Dosaggio 1,45 grammi Note It is a great powder for every weather.
Wad		Gauge 12 Mark Gualandi Model Spark Total Height 26 mm Type Container without pre-set fracture, damping system and self-adjusting. Use TRAP in cartridges with 24 - 28 grams of shot(*) Details (*) The doses of lead are pure indicative and vary in relation to the others components of the cartridge
Shot		Number 7,5 (Italian) Diameter 2,4 mm Unit weight 0,0821 grammi Type Chilled shot. (*) Use In cartridges for hunting and sporting Details (*) Chilled shot. has a good ballistic efficiency because it reduces the deformations. Dosing 33 grams
Clousure		It was made a crimp clousure with a MEC reloader.
Height		The clousure was finished with a spool steel. As You can see it is very good Its finished height is 58mm.
P Max	695 bar
V/1	412 m/s
TC	3550