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11 Best One Piece Scope Mount For Bolt Action of 2026 To Hold Dead Zero

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A crisp morning at the shooting bench turns frustrating the moment a centerfire rifle sends three shots drifting wide of the target. Underneath the glass, independent mounting rings have shifted against the receiver under magnum recoil, putting uneven stress on the main tube and destroying a hard-earned zero. Forcing an ill-fitting base across mismatched action screw holes leads straight to stripped receiver threads and tube binding, while an incorrect height profile that jams the bolt handle or rests the bell on the barrel ruins a hunt before it starts.

An integral base-and-ring assembly solves this by locking both rings into perfect alignment directly over the action, providing rugged stability without needing a lapping bar. Getting that dependable performance comes down to confirming your specific action length, verifying your scope tube diameter, and selecting enough clearance for both the objective bell and the bolt throw. Securing the right one-piece scope mount for bolt action rifles ensures your optic holds true zero through harsh backcountry travel and heavy recoil.

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  • ARS Mark

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    9.7
  • Brand
    Wheeler
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    9.5
  • Brand
    UTG
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    9.5
  • Brand
    Nightforce
4
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    9.4
  • Brand
    Game Reaper
5
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    8.9
  • Brand
    Monstrum
6
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    8.5
  • Brand
    Wheeler
7
  • ARS Mark

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    8.1
  • Brand
    Game Reaper
8
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    7.9
  • Brand
    Game Reaper
9
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    7.8
  • Brand
    DNZ
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    7.3
  • Brand
    DNZ
11
  • ARS Mark

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    7.1
  • Brand
    Game Reaper

Last update on 2026-10-03 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

Will a one-piece scope mount fit both short action and long action bolt rifles?

No. Bolt action receivers feature different ejection port lengths and receiver screw spacing depending on whether your rifle is a short action or a long action. A dedicated model like the Wheeler 1-Piece Bolt Action Scope Mount is sized specifically for either a Remington 700 Short Action or Remington 700 Long Action. Similarly, Game Reaper mounts designate separate options for Browning X-Bolt Short Action and Long Action receivers, though the Game Reaper 2 Mount supports Browning X-Bolt All Actions. Always verify your rifle receiver length before selecting a base so the screw holes match your action precisely.

How do you determine the correct ring diameter for a bolt action mount?

You must match the inside ring diameter of the mount directly to the outer main tube diameter of your optic. Bolt action mounts are machined to hold specific tube sizes, including 1 inch diameter rings on the Monstrum Deadlock Series, 30mm rings on the NightForce UltraMount, and 34mm rings on select Wheeler integral mounts. When selecting optics such as Leupold scopes, check the manufacturer tube specification on your optic housing. Clamping a 30mm scope inside 1-inch rings is impossible, while placing a smaller tube into larger rings prevents secure contact and causes zero shift.

Will a medium or high profile mount clear the barrel contour and bolt throw?

Clearance depends on your optic objective lens diameter and the bolt handle rotation angle. Mount heights are categorized into medium mount and high mount profiles, such as the Game Reaper Browning X-Bolt Short Action High Mount or Medium Mount. The DNZ Game Reaper Browning A-Bolt 3 Short Action Medium Mount accommodates a 40mm objective lens. If you run a larger bell or need extra clearance for a tall bolt lift, a high profile option like the Game Reaper 2 high mount provides extra clearance above the rifle barrel.

Can a one-piece mount withstand heavy recoil without losing zero?

Yes, a rigid one-piece mount eliminates the independent twisting and ring movement that can occur with separate two-piece bases under heavy recoil. Units like the steel UTG Scope Mount for Remington 700 Long Action rifles provide rigid metal support across the receiver bridge. Other designs, like the Wheeler mounts, use a 6-hole ring design with integral rings to distribute clamping force evenly across the scope body. When pairing a bolt action rifle with compact optics or LPVO scopes, a single-piece platform maintains ring alignment during rough handling and repeated firing.

Do one-piece mounts with integral rings eliminate the need for ring lapping?

Yes. Mounts with integral rings, such as the precision machined Game Reaper 2 mount or Wheeler bolt action mounts, machine the base and lower ring halves as a unified structure. Because the front and rear rings cannot pivot independently or sit out of square, they avoid the ring alignment errors that twist scope tubes on misaligned two-piece bases. This continuous alignment secures the optic straight along the bore without requiring tedious ring lapping.

Can a Remington 700 one-piece mount fit on a Browning bolt action rifle?

No. Bolt action manufacturers drill and tap receiver mounting holes to proprietary dimensions and machine their receiver bridges to distinct curvature profiles. A UTG or Wheeler mount engineered for a Remington 700 action will not align with the hole spacing or receiver top on a Browning rifle. You must choose a platform-specific unit, such as a Game Reaper engineered for the Browning X-Bolt or a DNZ Game Reaper engineered for the Browning A-Bolt 3, to ensure safe and flush attachment.

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Anthony Bartlett
WRITTEN BY
Anthony Bartlett
I'm a hunting editor and outdoor writer. I'm passionate about sharing my knowledge of hunting and the outdoors with others. Specially, ''m always on the lookout for the latest tips, tricks, and news on all things hunting