Tech Sight's TSR200 Adjustable Aperture Sight for the Ruger® 10/22® Rifle
TSR200 Aperture Sight for Ruger 10/22 Now STANDARD with Extended National Front Post - allowing for shooting at shorter ranges. FEATURES: 8" Longer Sighting Radius Rear Sight Base mounts solidly to the rear of the receiver utilizing the existing tapped scope base holes. TSR200 allows for additional elevation adjustment at the rear sight. Uses incremental windage adjustment with rugged detent locking. Front sight tower comes with standard incremental detent adjustable AR15 type post designed for the AR15. This gives the shooter a wide variety of aftermarket post designs for the AR15 that work with this Front Sight Tower. Now made with steel parts. Will not work ona  10/22 tactical as it has non-removable scope mount rail. All Standard 10/22s work. Compatible with TS211 Sight adjusting tool (ASIN: B0086T8IVU) and IRAS aperture inserts(ASIN: B00ANWVAAY). (not included but also available on Amazon)  front sight fits standard barrel (Bull barrel is .920" and requires adapter TS157 not included) If you have scope rails such as Tactical 10/22 or want to use with after market installed rails there is a rail version of this sight called TSR200RL ASIN: B00BQUTYDC also available on Amazon