Ruger Mark 4 Pistol Barrel/Receiver, Blue 5.5 Inch Bull Barrel, $160/Shipped Continental U.S. (California I am not sure about) To Your FFL
No Bolt
Upgrade Your present Mark 4 or use this as a switch barrel with a different sight, or ?
Put about 50 Rounds through it===> functioned 100%
Will Only Fit Ruger's Mark 4 Pistols; Standard Grip Frame or 22/45.
Please note the mark on the receiver left by my Burris FastFire Mount (bottom picture).
Jerry
![[Linked Image]](https://farm8.staticflickr.com/7863/32359822807_34d7d8439d_z.jpg)
![[Linked Image]](https://farm8.staticflickr.com/7825/32359822537_595268140a_z.jpg)
![[Linked Image]](https://farm8.staticflickr.com/7924/32359822357_ba59af2953_z.jpg)
No Bolt
Upgrade Your present Mark 4 or use this as a switch barrel with a different sight, or ?
Put about 50 Rounds through it===> functioned 100%
Will Only Fit Ruger's Mark 4 Pistols; Standard Grip Frame or 22/45.
Please note the mark on the receiver left by my Burris FastFire Mount (bottom picture).
Jerry