From the manufacturers web site:
How durable is the gun? The gun is very durable we submitted it to the NATO type testing.
What type of accuracy can be expected from a P90? The accuracy requirement for the P90 is 9 out of 10 rounds with a figure of merit not exceeding 7.87in at 50 meters
How strong is the action? Very strong since it is a bull pup.
Is the P90 easy to strip down and clean? Yes, it only has 5 major components and can disassembled in 5 seconds. The design is fool proof.
How weather/ corrosion resistant is the gun? The frame is made of high impact polymer, the barrel support is quality aluminum with hard anodize, the barrel, breech block, flash hider are made of steel and are manganese phosphate, the barrel bore is hard chrome plated, the other components are polymer, stainless pins and springs
What type of safety's and safety features are on the gun? The gun fires only from a closed breech, there is a selector that prevents the trigger from being manipulated while on safety there is a drop safety feature that blocks the secondary sear from being disengaged when dropped on the muzzle and there is an automatic sear that will prevent the hammer from falling since it will reengage when the weapon is dropped on the butt. The gun fires from a closed breech
What is the survivability of the P90? It is very durable as we submitted it to the same tests required by NATO
Are there any jamming or feeding problems with the gun? No, again due to the design the feeding is extremely reliable
What type of accessories are available? The gun is ready for all accessories such as tactical light, case collector, suppressor, laser pointer, tactical sling, and many sights with the addition of a Picatinny rail for the standard model.
Can the weapon be supplied in a semi automatic version only? Yes
What type of sights are on the gun? The standard model has a solid glass of 14mm in diameter with aiming marks, circle and a cross hair that illuminates in low light condition with a tritium cell. There are also iron sight on both sides of the primary sight. The Triple Rail model has no sight so any day or night sights can be mounted, the interface is a Picatinny rail
What is the muzzle velocity? 2345 f/sec