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Questions & Answers
Customer Reviews
Helpful Positive Review
EXACTLY LIKE ADVERTISED. Pros: Fits like a glove. Cons: None
1/1 found this helpful
Helpful Positive Review
Right Hole by Legacy Reviewer, March 31, 2012
If you purchase this mount check the rear hole placement for that screw. If you have the older model as I have you must use the foreward hole of those 2 in order to keep the mount from moving foreward, it rests against the fixed sight and does not al...
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3/3 found this helpful
Helpful Positive Review
B-Square B-awesome! by Legacy Reviewer, Verified Owner, October 7, 2011
There are NO CONS with this mount. Everything about is rock solid, easy to mount, easy to use. A HUGE "plus" is the iron sights co-witness beautifully. I am extremely happy with this product. You have a Mark II and want to mount a scope or a red...
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2/2 found this helpful
Most Recent Reviews
Excellent alternative to drilling & tapping in order to mount a scope. Great value and Optics Planet ships orders lightning fast! Pros: Installs easily, looks good and allows great selection of scope positioning. Alleviates the need to drill and tap....
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Product Discontinued by Manufacturer

B-square Rim Fire Semi-Auto Pistol Mounts - Mount Ruger Mk I/mk Ii Stainless 42878 has been discontinued by B-Square and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Rifle Scopes & Accessories, Riflescope Mounts, Rings & Bases, Rifle Scope Bases & Rails yourself to try and find the perfect replacement for you!

Product Info for B-square Rim Fire Semi-Auto Pistol Mounts - Mount Ruger Mk I/mk Ii Stainless 42878

B-square Rim Fire Semi-Auto Pistol Mounts - now available from OpticsPlanet online store. OpticsPlanet is an Authorized Internet Dealer for B-square Rifle Scope Mounts, Rings and Bases.image

B-Square no gunsmithing semi-auto pistol mounts integrate with the pistol's original components to assure optimum performance with every trigger pull, superior to any grip mounted system. Rim Fire "Sight-to-Sight" custom mounts use existing screw holes for a rock solid foundation. All B-Square mounts provide full-length ring rails for maximum eye relief adjustment. Ruger MK I/MK II Universal- (slides on receiver): For non-drilled Ruger MK I & MK II's only. Uses existing front & rear sight screw holes. Full length and lightweight. Standard Dovetail Base.

Available B-Square Ruger MK I/MK II Universal Slide Mount options:

  • 42877: B-Square Ruger MK I, MK II Universal Slide Mount, Blue Finish
  • 42878: B-Square Ruger MK I &MK II Universal Slide Mount, Stainless Finish

Package Contents:

  • B-Square Universal Slide Mount for Ruger MK I, MK II

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Related Products to B-square Rim Fire Semi-Auto Pistol Mounts - Mount Ruger Mk I/mk Ii Stainless 42878

B-square Rim Fire Semi-Auto Pistol Mounts - Mount Ruger Mk I/mk Ii Stainless 42878 Unavailable & Discontinued Models

List of Unorderable Models

  • B-Square Rim Fire Semi-Auto Pistol Mount for Ruger MKI / MKII, Stainless Steel 1008722 , MPN: 42878 , UPC: 054082428788 , Code: BE-MT-RFSAPM1-42878
  • B-Square Rim Fire Semi-Auto Pistol Mount for Ruger MKI / MKII, Blue 1008721 , MPN: 42877 , UPC: 054082428771 , Code: BE-MT-RFSAPM1-42877
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