My suggestion - weapons upgrade like in JA. It can look in game as:
(http://s7.hostingkartinok.com/uploads/images/2014/10/34affb05ac4f04c6c833300572188d17.jpg) (http://hostingkartinok.com/show-image.php?id=34affb05ac4f04c6c833300572188d17)
To weapons description add info about upgrades, all upgrades all replaceable.Different weapon types use different upgrade.
Don't get mad at me here, but what exactly is JA? o.O
[USER WAS BANNED FOR THIS POST] ~cirn0
[USER WAS DOUBLE BANNED FOR THIS POST] ~Myakot
Jagged Alliance. One of the best games ever.
Off-top for Myakot
King’s Bounty,Heroes 1,2,3.
Fallout 1,2.
Diablo 1,2.
Jagged Allaince 1,2, Wildfire, Unfinished Business.
Battlefield 1,2142,2,3,4.
For MMO - SWTOR.
Off-topic
One of the best gameS ever.
I'm calling Holy-war Police, Arcanum, Diablo, Wolfenstein, Baldur's Gate, Fallout(old and the only one), Dune, Starcraft armies are coming to your doorsteps ;D.