I Suggest looking at places like Big 5 Sporting-goods or try the link below.
Yes, they area a reputable dealer.
Not really a DIY thing. Let a gunsmith examine it. Might be cheaper to buy a new magazine.
you can see if it is on eBay and if it is not there go to Google and type in a airsoft p99 clips on sale.
any gun show or cheaper than dirt or you could find one for sale in the Shotgun news
Matter of taste- no way for us to answer,
You buy the Binweevils issue 1 magazine in Asda
Buy the magazine
magazine stands
You can find them at magazine stands.
You will have to have them custom made
Walther, Beretta, Browning. Kel-Tech, NAA
You an buy a Supernatural Magazine in all Borders Book Stores and Comic Zone.