Mark IV

1454 Views 5 Replies 5 Participants Last post by pop57, 3 mo ago

Chowda

I'm thinking about getting a 22lr pistol for plinking and squirrel hunting. I'm leaning towards either a Ruger Mark IV or a Browning Buckmark. I want a version that I can mount a scope onto. In your opinion would I be better off with a traditional scope or a red dot of some sort? How accurate can a red dot be at 50yds or less?

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gogittum

· #2 · 7 mo ago

I have the Mk IV Target and put a red dot on it at 1st. It was "extremely" accurate, but the much higher sight plane caused it to shoot very high when sighted in at 7 yards and shooting at 10 yards. Shooting 15 or 20 yards took very careful estimating of range and probable trajectory.

When shooting randomly at rocks on hillsides in the desert, it was almost impossible. I took the red dot off and just use the iron sights now.

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Chowda

Discussion Starter · #3 · 7 mo ago

I want it for plinking and hunting squirrels/rabbits. Sounds like I may need a traditional scope instrad of a red dot. I figure to shoot out to 40-50 yds at the far end.

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LMB

· #4 · 7 mo ago

I use a Burris FFIII on my Buckmark. It sits very low. Works fine. it won't take you to the Olymipcs but it will be more than adequate for tree rats!

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MKX-X

· #5 · 5 mo ago

gogittum said:
I have the Mk IV Target and put a red dot on it at 1st. It was "extremely" accurate, but the much higher sight plane caused it to shoot very high when sighted in at 7 yards and shooting at 10 yards. Shooting 15 or 20 yards took very careful estimating of range and probable trajectory.

When shooting randomly at rocks on hillsides in the desert, it was almost impossible. I took the red dot off and just use the iron sights now.

I just mounted a HOLOSUN 507k on my MK IV using this mount instead of the pic rail:

Low Profile Red-Dot Mount, Ruger Mark Series Holosun 507K

Our new low profile mount for Ruger MARK series pistols allows the end user to mount a Red Dot Optic directly to the frame of the pistol. This allows for a much lower bore axis vs. picatinny rail/mount stack up and has been designed for a clean integrated look onto the pistol. The Mount is...

lobos-industries.com

It only raises the mount a little over 1/10" above the receiver and with the compact size of the optic the dot is only 0.55" above the reciever. The front sight is still visible through the optic and aligns with the sight notch on the optic pedistal and the factory MK IV rear sight. The HS EPS carry also has the same footprint as the 507k and mounts are available for several of the larger optics as well.

I'm going to sight the optic in at 25 yds tomorrow, eyball the distance to the botom of the circle-cross reticle and then order a taller front sight to bring the front up to the bottom of the ring. With a little tweaking of the factory rear sight the optic dot should fall just above the front sight dot at the edge of the optic'c 32 MOA circle. The hope is for a nearly true co-witnessed sight.

I believe that the tallest front sight from here may do the trick:

Sights, for Ruger 22-45 Lite, Front Fiber Optic, by Dawson Precision

Dawson Precision is the experienced shooter's source for top quality pistols, parts and gear. Our state-of-art facility keeps us on the cutting EDGE of technology, providing you with the highest quality products at the best price.

dawsonprecision.com