You can always use the tool I built for this. Just set the radio button under Misc Data to PS3.
Alternately I can list the addresses of each block. (NOTE: The below values are for PS3. For XBox add 0x0000D000 to each.)
Original Weapon File Offset: 0x0000041B to 0x000004A1
DLC Weapon File...
I took a look at the rail and noticed that the two last pins were soldered for some reason, luckly I still had the rail of my broken joycon so after I swapped them I was able to use it attached to the console