Vortex Diamondback Tactical 6-24x50 review: the long-range gateway scope

DR By Dale Renner, Optics reviewer and outdoors writer at OpticVerdict.
Research-based review · Updated 2026-07-04

How we reviewed it: a research-based review built from retailer specifications, independent field tests, expert coverage and the verified owner-review record. We have not bench-tested this unit ourselves; the score is our editorial opinion. See how we evaluate.

What it is, and what OPMOD means

The Diamondback Tactical 6-24x50 is the scope that made first focal plane precision affordable. Before it, an FFP scope with reliable tracking, exposed turrets and close-focus parallax generally started around $1,000. This one does those jobs at a street price under $400, and the OPMOD variant reviewed here regularly sells under $300. OPMOD is an OpticsPlanet-exclusive collaboration with Vortex, and the difference is purely cosmetic: Flat Dark Earth (Tan) or Wolf Gray anodizing instead of black, made to match modern Cerakote rifle builds. Internals are identical to the standard model, so reviews and test data for the regular Diamondback Tactical apply one to one.

The Diamondback Tactical line, and where the 6-24x50 fits

The Diamondback Tactical is a compact two-model line, both first focal plane: a 4-16x44 for general-purpose precision and this 6-24x50, the higher-magnification option built for reaching out to 1,000 yards and for spotting your own hits. The 6-24x50 is the one most long-range and precision-rimfire shooters choose, for the extra top-end zoom and the 50mm objective; the 4-16x44 is lighter and a little more forgiving if most of your shooting stays inside 600 yards. This review covers the OPMOD 6-24x50, the OpticsPlanet-exclusive FDE and Wolf Gray variant.

Tracking: the part a long-range scope must get right

Dial 5 MOA up, shoot, dial back, and the reticle must land exactly where it started; a scope that fails this is decoration. Independent box-drill testing by ScopesField measured 99 to 100 percent return to zero on the Diamondback Tactical, and the owner record backs it up: one verified owner runs it on a .300 Winchester Magnum and reports his adjustments holding a tight group at 100 yards after 60 rounds. The clicks are audible and tactile, though not premium-solid: two owners note a slight mushiness compared to the hard, bank-vault stop of $1,000-class turrets. They track true, which is what actually matters at this price.

The EBR-2C reticle and why FFP matters here

The glass-etched EBR-2C MOA reticle sits in the first focal plane, so its hash marks measure true at any magnification, not just at maximum zoom. The Christmas-tree grid below the crosshair lets you hold for wind and drop simultaneously without touching the turrets, and the lines are fine enough that they do not blot out small targets at 24x. Owners use it to call their own impacts and correct onto steel out to 1,000 yards. For learning MOA holds on a budget, this reticle is the teaching tool.

The 10-yard parallax is a quiet superpower

Most long-range scopes focus no closer than 25 to 50 yards. The Diamondback Tactical's side parallax adjusts from 10 yards to infinity, which is exactly what precision rimfire (NRL22) shooters need when targets sit at 25, 50 and 75 yards on the same stage. Combined with the 24x top end for spotting .22 holes in paper at 100 yards, it is a big reason this scope dominates entry rimfire matches.

The trade-off that defines it: no zero stop

Each turret revolution covers 15 MOA, and long shots can require dialing past a full turn. Without a mechanical zero stop, coming back down means counting revolutions; dial past your zero by a turn and your next shot lands wildly off. Rotation indicator lines under the turret help, but under match stress this is the scope's real weakness, and it is the main thing the step-up Strike Eagle 5-25x56 fixes with its RevStop system. If you mostly hold over with the reticle instead of dialing, you will rarely notice.

Glass: honest to 18x, a spotter at 24x

The XD optical system is bright and sharp with strong contrast from 6x to about 18x, and owners routinely shoot steel at 500 to 600 yards without eye strain. Push to the full 24x and budget optics physics arrive: edges soften, high-contrast targets show color fringing, and the image dims. The exit pupil also shrinks to about 2mm at 24x, so the eye box gets demanding and a consistent cheek weld becomes mandatory. Experienced owners treat it as a 6-18x scope that can spot at 24x, which is exactly how we would run it.

What owners say (237 verified reviews, 4.8/5 on OpticsPlanet)

“I enjoyed the FFP aspect of this scope as you creep out to deeper magnifications. Coming from a Vortex Crossfire II it was also great to have a parallax settings. Overall a huge fan. Fantastic scope for the price range.”

Jeff P, verified owner (CT)

“Tracks well. Picture is sharp. Eye box is good at high magnification. My only knock is the adjustment feel… just doesn't have that solid stop.”

Coach, verified owner

“MOA adjustment is spot on. Installed it on my 300 Winchester Magnum and keeping a tight .45 group at 100 yards. I have shot 60 rounds and adjustment stays perfect.”

Gioman, verified owner

Price history: $279.70 is near the floor

MSRP is $649.99 for the OPMOD colorways ($499.99 for the standard black), but the typical street price across major retailers runs $349.99 to $399. OpticsPlanet's recurring promotions push the OPMOD variants into the $279.70 to $362.47 band, and only holiday-code deals and factory refurbs have gone meaningfully lower, at roughly $250 to $300. Today's $279.70 for the Tan model sits at the bottom of the promo band, about $70 to $120 under typical street pricing. The Wolf Gray runs $294.42, and kits with an OPMOD cantilever mount go for $349.69 to $362.47.

Trade-offs, plainly

• No zero stop: count turret revolutions on long dials or risk losing your zero reference.
• Non-illuminated: the fine FFP crosshair washes out against dark timber and at dawn or dusk.
• Glass softens past about 18x with edge blur and color fringing at 24x: treat it as a 6-18x that spots at 24x.
• Tight eye box at maximum magnification demands strict, consistent head position.
• 18-foot field of view at 6x (100 yds) is too narrow for brush hunting or moving game.

Key specifications

Should you buy it, and what else to consider

• Buy it for entry long-range and PRS practice, precision rimfire (NRL22), and benchrest or varmint work on a budget. The unconditional Vortex VIP warranty removes the used-hard risk entirely.
• Spend up to the Strike Eagle 5-25x56 if you want a zero stop, illumination and more travel for dedicated dialing; our head-to-head comparison covers exactly when the step-up pays.
• Skip it for low-light or dense-timber hunting; a bright SFP hunting scope like the Leupold VX-Freedom serves that job better. Coming from a Crossfire II? See Crossfire II vs Diamondback.

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