CZ 527 switching 1 inch to 30mm scope

.22LRGUY

.22LRGUY

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Hey guys-considering a scope swap, but have always been reluctant to put a 30mm-tubed scope on there, the rifle is more rimfire-sized to me. (Varmint in 17 Hornet) I have some 30mm rings I'd like to repurpose, EGW "Practicals" in 30mm. Been searching for a 1"-tubed scope I'd like for the job/in my budget...but have mostly been striking out. Closing in on a Sightron S-TAC series. Love the SIII on my other varmint gun I use more.

Question-I'm aware of two rail types for 527s, the DIP one that slips onto the dovetails and is held in place by downward-facing grub screws. I've never held these or seen the fasteners involved, but is it safe to assume these damage the finish on top of the receiver? I mean once it's on...it's on, but still. :)

Other option I just found is the EGW, which clamps on the side;

https://www.egwguns.com/hd-cz-527-16mm-picatinny-rail-0-moa

Final scope height will dictate the rings I choose, but Weaver options far outweigh the dovetail ones if going direct, like I currently am. I believe the ones I bought first (see below) were the Warne ones, I know CZ makes them..I think Leupold too.

Anyhow, just testing the water here and interested in knowing if the DIP rail does mess-up the finish on the receiver. Anyone here using it? Any other options I haven't dug-up but should know about?

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You can put a piece of number 8 shot in each hole when you install the dip rail. Otherwise it does scratch the finish.

Keep in mind the final scope height of your occular will likely influence the ring height on the 527 because of the bolt throw.
 
doctor_meltdown said:
You can put a piece of number 8 shot in each hole when you install the dip rail. Otherwise it does scratch the finish.

Keep in mind the final scope height of your occular will likely influence the ring height on the 527 because of the bolt throw.
Click to expand...

Hey doc-ever get the sense an idea isn't great...but you can't put your finger on why? lol Thanks for the reminder, the bolt throw is part of what made me choose this older, 1" scope in the first place=smaller diameter ocular. Hmm...that might have crushed the S-Tac plan. Time to pull out the calipers, as I'm as close as I want to be to the bolt now, and the ocular end of the current scope isn't that big.

I've scoped 3 x CZ452 rimfires over the years, still have 2 of them. You'd have thought this would have been on my radar more. No idea what scope to choose now...well, a few ideas. :)
 
Wellllll , I put a Covenant-4 FFP-SF 6-24x50 on my B22 SV. It's 30mm and I used Vortex Hi rings to get the 50 off the heavy barrel. Not as pricey as the Sightron, but pretty good for under $500. I really like the MOA tree 'cause it has numbers on the bars, which makes holds easier to 'count'. I don't notice the weight since the V barrel makes the gun heavy to start. Makes it feel 'real' ;-P
 
I have a DIP rail on my 527 MTR in 222, vortex diamondback tactical, 6-24x50mm with a 30mm tube set in a pair of low vortex pro 30mm rings. The DIP rail is a fantastic low profile rail, when you install it, put a #7.5 or #8 lead shot under each screw so it squishes the lead and doesn't scratch the finish. I've shot several groups under 0.200" with this setup so I know it works. I also have a EGW rail on a 527 in 221fb with a vx6 on top, still a 30mm tube. I much prefer the DIP rail since the scope can sit so much lower.
 
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