The original lasers are unobtainable. They only made about 50. It's unknown how many survive. Many were trashed when they quit working. If you do find one, it will most likely be still mounted on a gun and the seller will not want to separate it from the gun. They are collector's items now and pricey. I passed on one for $1500 on a rifle because I didn't have the cash. He did sell it later at that price.
The grip mounts come up from time to time. Look on eBay and Gunbroker. It took me about five or six months to find one. You also need the correct scope ring. Again, eBay and Gunbroker
The AMT Hardballer .45 come up on Gunbroker now and then as well. Just keep looking there and you'll find one. Prices are all over the place but budget about $1,000. You might get a bargain though.
