Try e-gunparts.com
You can find Sterling trucks for sale using the dealer locator on the official Sterling Trucks website. You can also find them from personal sellers on the auto section of the eBay website.
Buyers can find a Sterling BMW for sale from a number of auto retailers. This vehicle can be purchased from Auto Trader, eBay Motors, AOL Autos and from BMW Buyer.
Recommend you find a good gunsmith.
You can find out at Proofhouse.com in the Colt tables.
Send me your email & I'll send you a scan of the manual.
Your best bet is to find a gunsmith and ask for help.
you should be able to find browning firearms on the web with no trouble.
Sterling Arms Corp of Gasport NY made the Model 283 Target 300 pistol in 1970-71. The 300L (light barrel) was made the same years.
You will have to call Colt to find out.
If you don't have a manual, find a gunsmith and ask for help.
Please refer to the link below and choose the manual for the High Power pistol. There you will find instructions for disassembly and cleaning: http://www.browning.com/customerservice/ownersmanuals/index.asp
No, the marker will be able to shoot rapidly without an aftermarket trigger, although if you find the trigger pull stiffer than you wanted, you can exchange the spring for the trigger with a pen spring. A light trigger pull will allow you to "walk" the trigger, which basically means you pull the trigger with two fingers (one at a time), to reach full auto- like rates of fire.