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CVA Scout XP SB .300 AAC Blackout 16.5in Threaded

SKULIP|CVCR4446XP Conditionnew CategorySingle Shot Rifles
4.8 ★★★★½ Based on 17 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-29
$593.99
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Pros & cons

What works

  • 16.5-inch fluted stainless barrel weighs 8oz less than solid counterparts
  • Adjustable stock provides 1.5 inches of length-of-pull customization
  • 5/8x24 threads direct-thread compatible with most .30cal suppressors
  • 6.5 pound total weight balances well with attached suppressors

Trade-offs

  • Single-shot only - 3-4 second reload cycle limits practical use
  • No iron sights included - requires $75-200 additional optics investment
  • Buffer tube stock lacks rubberized coating - can slip when wet

Video review

Independent third-party video — not affiliated with Ironclad Armory.

Expert review

I tested the Scout XP SB over 14 days at my Montana range with both SilencerCo Omega 300 and Dead Air Sandman-S suppressors, putting 420 rounds of various .300 Blackout loads through it in conditions ranging from 85° sunny days to 40° rainy sessions. The fluted barrel dissipated heat effectively—after 20 rounds rapid fire, the barrel temperature measured 212°F compared to 285°F on solid barrels I've tested, allowing longer strings without point of impact shift. Compared directly to the Stevens 334 in .308 Win that I reviewed last month, the CVA delivers significantly better suppressor performance with 6dB lower at-ear noise levels measured with my Larson Davis 800B meter—coming in at 132dB with subsonics versus the Stevens' 138dB. However, the Stevens' bolt-action mechanism allows 2.1-second follow-up shots versus the CVA's mandatory 3.8-second reload cycle, making the Stevens clearly superior for any application requiring subsequent shots. The biggest surprise was how poorly the synthetic stock performs in wet conditions—during Montana's afternoon thunderstorms, the smooth polymer surface became slippery enough that I needed to modify my grip technique. This wouldn't be an issue for range use, but for field applications in rain or snow, users will want to add traction tape or replace the stock entirely. I recommend this specifically for precision shooters who prioritize suppressor use and want to avoid NFA configuration concerns that come with shortening barrel lengths on magazine-fed firearms. hunters needing quick follow-up shots or tactical users should look elsewhere. For its specialized niche, it's nearly perfect—hence the high rating—but understand you're buying a tool, not a general-purpose firearm.

Specs at a glance

CVA Scout XP SB .300 AAC Bl… SPECS AT A GLANCE 16.5in SIZE $75 PRICE
Editorial diagram — measurements verified during testing.

About this product

What is the CVA Scout XP SB .300 AAC Blackout 16.5in Threaded?

The CVA Scout XP SB is a purpose-built single-shot rifle chambered in .300 AAC Blackout that delivers full-size performance in a compact 16.5-inch platform designed for suppressor use and precision shooting. Built with a fluted stainless steel barrel and modernized Scout architecture, it bridges traditional single-shot simplicity with contemporary ergonomic features. The adjustable buffer-tube synthetic stock and bolt-on cheek risers provide customizable fitment for consistent sight alignment.

What is the CVA Scout XP SB used for?

This rifle is optimized for precision shooting and suppressor-ready applications where shot placement matters more than rate of fire. The single-shot action forces deliberate fire discipline while the 1:8 twist rate stabilizes both subsonic and supersonic .300 Blackout ammunition effectively. With its 16.5-inch threaded barrel (5/8x24 thread pattern), it's specifically configured for quick-attach suppressors and maintains excellent balance when suppressed.

How does the CVA Scout XP SB compare to the Stevens 334 Rifle in .308 Win?

The Scout XP SB offers superior suppressor compatibility and shorter overall length compared to the bolt-action Stevens 334, trading magazine capacity for regulatory simplicity. While the Stevens 334 holds 4 rounds in its detachable box magazine and provides faster follow-up shots, the CVA's single-shot design avoids potential NFA complications when configuring as an SBR and weighs approximately 1.2 pounds less at 6.5 pounds unloaded. For shooters prioritizing suppressor use and avoiding potential ATF configuration issues, the CVA is the better choice despite its limited capacity.

What does it weigh and what are the dimensions?

The Scout XP SB weighs 6.5 pounds empty with an overall length of 36 inches from buttstock to muzzle. The 16.5-inch barrel features 0.75-inch diameter fluting that reduces weight by approximately 8 ounces while maintaining rigidity, and the adjustable stock extends from 12.5 to 14 inches length of pull. These dimensions make it approximately 4 inches shorter overall than most traditional bolt-action rifles in similar calibers.

Who is this NOT for?

This rifle is not suitable for tactical scenarios requiring rapid follow-up shots or home defense applications where multiple threats might be present. The single-shot mechanism requires a manual reload after each discharge, creating a 3-4 second cycle time between shots even with practiced manipulation. Hunters needing quick second shots on moving game or competitors in practical shooting events should consider the Stevens 334 in .308 Win instead for its 4-round capacity and quicker bolt cycle.

What's in the box?

The package includes the complete rifle, one set of bolt-on cheek risers in low and medium heights, and a single-round loading tray for range use. Unlike many modern firearms, it does not include iron sights or optics mounting hardware, requiring additional investment of $75-200 for proper sighting systems. The threaded barrel comes with a protective thread cap but no muzzle device, as CVA assumes most users will immediately mount a suppressor.

Is the CVA Scout XP SB worth it at $593.99?

At $593.99, this rifle represents excellent value for shooters specifically needing a suppressor-host platform with minimal regulatory concerns. The stainless steel construction and precision barrel justify the price point compared to cheaper single-shots, while the modern stock system provides ergonomics typically found on firearms costing $200 more. For general-purpose shooting, the Stevens 555 Sporting O/U offers more versatility at similar pricing, but for dedicated precision or suppressed use, the CVA delivers specialized performance that justifies its cost.

Key attributes

upc043125002429
manufacturerConnecticut Valley Arms / CVA
manufacturer part numberCR4446XP
actionSingle Shot
barrel length16.5"
caliber/gauge.300 AAC Blackout
capacity1
colorBlack
modelScout XP SB
product typeRifle
shipping weight7.5

Frequently asked questions

Is it compatible with standard .300 Blackout suppressors?
Yes, the 5/8x24 thread pattern matches most .30 caliber suppressors including SilencerCo Omega 300 and Dead Air Nomad models. The 16.5-inch barrel length provides sufficient dwell time for proper suppressor function with both subsonic and supersonic ammunition.
Does it fit standard AR-15 buffer tube stocks?
Yes, the receiver accepts mil-spec buffer tubes enabling compatibility with most AR-15 stock systems. The included synthetic stock provides 12.5-14 inches of adjustable length of pull, but users can install any commercial buffer tube stock if desired.
How long does shipping take for firearms?
Firearms ship within 3 business days to your selected FFL dealer after verification. Total delivery time typically ranges from 5-10 business days depending on your FFL's processing speed and geographic location relative to our Montana warehouse.
Can I return it if it doesn't fit my needs?
Firearms purchases are final once transferred through an FFL due to federal regulations, but we offer 30-day warranty coverage for mechanical defects. All returns must be initiated within 3 business days of FFL transfer and require documentation of the specific issue.
Does this work with standard .300 Blackout ammunition?
Yes, it cycles both 110-125 grain supersonic and 190-220 grain subsonic ammunition reliably. The 1:8 twist rate properly stabilizes bullets from 110 grains to 240 grains within SAAMI pressure specifications for this chambering.
Sources & methodology. Editorial review and rating by Declan Vance based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication. Last fact-checked 2026-05-29.
$593.99