Hi Sean, this is compatible with all Ruger 10/22 .22LR except the takedown model.
Stay safe & have a great day!

Hi Sean and welcome. Yes Sir, this would be a direct fit on the Ruger 10/22 models chambered in .22LR
***Note***: Does NOT fit Ruger 10/22 Takedown Models -- Cheers and stay safe!

yes it will fit a standard 10/22 " Magnum Research offers you the ultimate drop in replacement barrel for your Ruger 10/22 rifle. If you have been concerned about poor accuracy and the overall weight of your current Ruger 10/22 rifle then this barrel is the solution for you. Dropping this barrel into your current Ruger 10/22 chassis will improve your accuracy and reduce the overall weight. Besides those two key features it looks amazing as well. Drop this barrel in your 10/22 today and start noticing a difference on your next trip to the range.
Specifications and Features:
Magnum Research Magnum Lite Graphite Barrel ABAR1022GT
17" Barrel
.22 Long Rifle
1:16" Twist Rate
Threaded 1/2x28
Ultra-Lightweight Contour
.920" Diameter
Stainless Steel Muzzle and Receiver
Barrel Shaft made from carbon fiber sleeve
Drop in installation
Matte Black