TenPoint Nitro 505 Oracle Review: Rangefinding Scope

Nitro 505 Oracle overview

The TenPoint Nitro 505 Oracle takes the 505 FPS Nitro platform and swaps in a Burris Oracle X rangefinding scope. ACUslide cocking and de-cocking carries over. At about $3,849.99, it is the most expensive crossbow we track.

A rangefinding scope is appealing: range the deer through the optic and get an aiming solution without juggling a handheld rangefinder. Paired with 505 FPS, the idea is a bow that removes most range estimation error from the shot.

This is a research-based review. We did not shoot it. Our view comes from listed specs, the September 2026 Amazon rating picture and owner discussion themes. See how we review.

Who it's for, and who it's not for

Nitro 505 Oracle specs

Every spec below comes from our verified product data. If a spec is not listed here, we do not have a confirmed figure for it, so we leave it out rather than guess.

What's in the box

Our product data confirms the following items are included with the TenPoint Nitro 505 Oracle:

• Burris Oracle X rangefinding scope

Need more arrows, a case or a sling? See our guides to crossbow arrows, cases and bowpacks and broadheads.

Speed and kinetic energy

TenPoint rates the Nitro 505 Oracle at 505 FPS. Manufacturers typically measure rated speed with a specific arrow weight, and real world speed with your arrows can differ. To keep comparisons fair, we calculate energy for every bow with the same 400 grain arrow using the standard formulas: kinetic energy (ft-lbs) = grain × FPS² ÷ 450,240 and momentum (slug-ft/s) = grain × FPS ÷ 225,218.

At 505 FPS, a 400 grain arrow carries about 226.6 ft-lbs of kinetic energy and 0.90 slug-ft/s of momentum at the muzzle. That places it in the very large game class of widely cited energy guidelines (elk, moose, cape buffalo class animals). For whitetail, a common guideline is at least 42 ft-lbs, so every bow in our lineup clears that bar with a large margin. Shot placement and a sharp broadhead matter far more than extra speed.

Values are calculated at the muzzle from rated speed. Arrows lose speed and energy downrange. Try your own arrow weight in our crossbow speed and energy calculator, and read how far a 400 FPS crossbow can shoot for practical range limits.

Cocking: ACUslide

ACUslide is TenPoint's integrated crank system. It lives inside the stock, so there is no rope to carry and nothing to attach before you cock the bow. The feature that matters most for hunters is that it also de-cocks. At the end of a sit you can let the string down under control instead of shooting a bolt into the dirt or a discharge bag.

Owners across hunting forums and Reddit threads consistently rank safe de-cocking as one of the biggest quality of life upgrades in modern crossbows. It removes the end of day routine of finding a safe backstop, and it means a bow does not have to sit cocked for hours in a truck or blind. The tradeoff is cost: ACUslide bows sit in TenPoint's upper price tiers, and cranking is slower than a rope cocker for people who practice a lot.

New to this? Our step by step guide on how to cock a crossbow covers every method, and how long you can leave a crossbow cocked explains safe storage.

Scope and optics

This package pairs the bow with a Burris Oracle X rangefinding scope. A rangefinding scope measures distance to the target and helps you pick the right aiming point without holding a separate rangefinder in your other hand. For stand hunters who see deer at varied distances, that is a real advantage.

The tradeoff is complexity and price. Electronics add a learning curve, need batteries and add a large chunk to the package cost. Some buyers are better served by the standard version of the bow and a separate handheld rangefinder they already own.

Whatever scope you use, a careful zero makes the biggest difference. Follow our crossbow sight-in guide before hunting season.

What owners say

We summarize recurring themes from public Amazon ratings and owner discussions on hunting forums and Reddit. These are patterns, not quotes, and small rating counts mean individual experiences carry a lot of weight.

As of September 2026 the Nitro 505 Oracle averages 3.2 stars from 12 Amazon ratings, the lowest average in our crossbow lineup. With only 12 ratings, a few unhappy owners can move the number a lot, but it is still a signal worth weighing at this price.

• The concept of built-in ranging draws strong interest in owner discussions
• The lower average suggests a meaningful share of owners had issues or felt the package did not justify the cost
• Rangefinding scopes as a category draw discussion about learning curve and battery management
• Many buyers compare it directly with the cheaper Flatline 460 Oracle X

We treat owner feedback as one input alongside specs and price. It helps flag patterns, but it cannot replace your own judgment about fit, budget and hunting style.

Price and value

The Oracle version costs about $850 more than the standard Nitro 505 in Moss Green. The Flatline 460 Oracle X has the same Burris Oracle X scope, adds 6 EVO-X 16 arrows and costs about $550 less, with a higher 4.2 star average.

Unless you specifically need 505 FPS with a rangefinding scope, the value case is weak. We would look at the Flatline 460 Oracle X or Stealth 450 Oracle X first.

Pros and cons

Nitro 505 Oracle alternatives

460 FPS

Same Oracle X scope, 6 arrows included, cheaper and better rated.

Read review

505 FPS

Same speed with the EVO-X Elite scope for about $850 less.

Read review

450 FPS

Oracle X scope at about $2,799.99.

Read review

Related comparisons and guides

• Nitro 505 vs Flatline 460 vs Stealth 450
• Best crossbow scopes
• How far can a crossbow shoot?

Nitro 505 Oracle FAQ