I've been pocket carrying my SP-101 in my front jeans pocket for a few years now. Using a Desantis Superfly pocket holster, and loaded with Federal 158gr HydraShok Magnums, it's my primary EDC. I don't find it awkward or too heavy at all.
I've actually owned this SP-101 since 2007 and I used it as a nightstand gun, glovebox gun and range toy, but I never carried it. However, a few years back I decided to upgrade from my 38 Special EDC (an S&W 649) to 357 Mag and bought an
S&W 640 Performance Center Pro Series with the intent to make that my primary pocket carry gun. After some testing, I found it unsatisfactory for pocket carry. It was picky about ammo that would shoot to POA, but the biggest issue was the wonderful Novak style sights, which were the gun's primary feature, would occasionally snag on draw from a pocket.
However, I was using my trusty SP-101 as a comparison in testing the J-Frame and realized the Ruger was easier to shoot accurately with magnums, was less ammo picky, and having owned it for years, I knew it was very reliable and durable. The only problem was the hammer spur catching on draw if I didn't have my thumb over it just right, so I cut the hammer spur off.
I put some Crimson Trace Laser Boot Grips on it and have been pocket carrying it ever since.