There is not a custom fit bed rail for your 1999 Ram 1500 6-1/2 foot bed. The closest we have to what you are looking for is the Putco Truck Bed Rail Protective Skins - Stainless Steel # P59690 which is a custom fit for 2008 to 2013 Chevy Silverado 6-1/2 foot bed. This does install with 3M tape so no drilling is required. It may fit your truck, but has not been tested and was specifically designed for the vehicles stated.
You may want to consider the Westin Platinum Series Oval Truck... view full answer...
We do have the components you are looking for on your 1996 Dodge Ram 1500 short bed, however there isn't anything available in aluminum diamond plate.
The best options we have available for your truck are the Putco Full-Coverage Front-of-Bed Protector # P59122 and the Full-Coverage Tailgate Protector # P59118, both of which feature a stainless steel construction that will be completely resistant to rust and corrosion.
There aren't any standard side rail caps available but we do have... view full answer...
The Putco Truck Bed Rail Protective Skins for Use with Tonneau Covers - Stake Pocket Cutouts # P59914 are sold as a pair of two protective covers. This pair is confirmed to fit the 2007 Dodge Ram 1500, 2500, and 3500 with the 8 foot bed. view full answer...
The Putco Tailgate Cap part # P53614P installs using self tapping screws which are included for you. They install on the inside of the tailgate so they won't be as visible. I am sure you could also use some 3M double sided adhesive for a less permanent install if you like. This can be acquired at most local auto parts stores. view full answer...
The Putco Polished Stainless Locker Truck Bed Side Rail you mentioned, part # P99862 will indeed fit the 2012 Ram Laramie Big Horn Crew Cab with the 5-1/2 foot bed. It will fit models without the Ram Box.
For installation details, click the provided link. view full answer...
The Husky Liners bed rail caps you referenced, part # HL97101 are indeed a fit for your Silverado. The caps easily install without drilling, and feature removable caps to reveal the stake pockets. view full answer...