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9mm Largo Ammunition Test
The ammunition was tested on March 26, 2000 in Harmony, ME, at Surplus International LLC’s facility. Information was gathered by Dan Shea. Chronograph was a Dillon Millenium.
9mm Largo Manufactured in Spain by Empressa Nacional Santa Barbara.
Case Length….…. 9 x 23mm
Bullet weight……. 127 gr.
Cartridge weight.. 200 gr.
Powder type…….. flake (Military)
Powder weight….. 6.0 gr.
All cartridge’s tested out satisfactory. Test firearms were: 1921 Astra 5.5" bbl, Star Super 5.25" bbl, Destroyer Carbine 17" bbl, and Star Z-45 submachine gun 7.75" bbl.
1962 dated boxes: included some 1961 dated cartridge cases, but were primarily 1962. This ammunition used corrosive Berdan primers and will require cleaning of the firearms after use with a cleaner that counteracts the corrosive chemicals. Packaged 25 per cdbd box, 1000 rds per sealed steel can in wood cs.
1969 dated boxes: cartridges are 1967 to69 dated, and were non-corrosive, using Berdan primers. This ammunition was the most consistent on the chronograph, and the most accurate. Packaged 25 per cdbd box, 1000 rds per sealed steel can in wood cs.
1977 dated boxes: cartridge cases are mid 1970s dated, mostly 1977. The boxes are marked "No corrosivo, no erosivo" and the cartridges are non corrosive, Berdan primed. Packaged 25 per cdbd box, 2000 rds per sealed steel can in wood cs.
AmmoDate Firearm mean avg fps 5 shot Hi/low spread
1962
1921 Astra 1110 fps
1097-1128 fps 31 fps
1962
Star Super 1084 fps
1055-1134 fps 79 fps
1962
Destroyer 1249 fps
1238-1267 fps 29 fps
1962
Z-45 SMG 1137 fps
1103-1172 fps 69 fps
1969
1921 Astra 1167 fps
1153-1188 fps 35 fps
1969
Star Super 1170 fps
1163-1181 fps 18 fps
1969
Destroyer 1243 fps
1231-1293 fps 62 fps
1969
Z-45 SMG 1199 fps
1177-1224 fps 47 fps
1977
1921 Astra 1133 fps
1105-1161 fps 56 fps
1977
Star Super 1147 fps
1134-1162 fps 28 fps
1977
Destroyer 1240 fps
1198-1270 fps 72 fps
1977
Z-45 SMG 1167 fps
1139-1197 fps 58 fps
Ammo Updates
