Field Test Review: Allterra Rifles – Mountain Shadow Carbon in West Texas

Allterra Arms – Custom Rifles Made in Idaho

Based in Boise, Idaho, Allterra Arms has built a reputation for precision bolt-action rifles tailored for hunters, long-range shooters, and professionals. Founded by Drew Foster in 2015, the company emphasizes engineering innovation, tight manufacturing tolerances, and sub-MOA performance using factory ammo.

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Like I mentioned in the video, I'm not the kind of guy who dives deep into every spec or gets overly technical about rifles. But I do know quality when I feel it—and the groupings from the Mountain Shadow Carbon speak for themselves. I've had the opportunity to shoot everything from standard production rifles to full-on customs, and I can honestly say Allterra is a step above. This rifle just performs, plain and simple.

Greg Ray

Notable Features:

• Fully in-house manufacturing: barrels, actions, and carbon fiber stocks
• Sub ½ MOA guarantee with premium ammo (3-shot group)
• Patented receiver design with integral recoil lug and rail
• Ideal for backcountry hunters and tactical shooters alike

Rifle Under Review: Mountain Shadow Carbon

In this field test, we put the Mountain Shadow Carbon chambered in 6.5 Creedmoor through a full accuracy trial from 100 to 1,000 yards.

Rifle Specs:

Component                              Detail

Caliber                                6.5 Creedmoor

Barrel                               Carbon-wrapped (steel optional)

Stock                                  Allterra carbon fiber

Trigger                                  TriggerTech

Weight                                  Approx. 6 lbs

Suppressor                       Dead Air Nomad XCTI/XCTIL

Optics                               Zeiss Conquest V4 6–24x50

Ammunition                     Federal Premium Gold Medal CenterStrike 140gr

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Performance Evaluation

100-Yard Sub-MOA Test

• Result: Three-round group measured 0.097 inches center-to-center
• Ammo Used: Factory Federal Gold Medal — no handloads
• Verified with digital calipers
• Nearly one-hole precision from a lightweight hunting rifle

Long-Range Steel Shots

Wind Conditions: Unpredictable, changing directions at each distance
Hold Adjustments: Made in real-time, simulating real-world hunting dynamics

Distance                           Grouping & Notes

300 yds                 All three rounds nearly stacked

500 yds                 High winds required adjustment; MOA remained tight

700 yds                Wind reversed direction; shooter made rapid corrections

1,000 yds        Consistent hits with just 1 MOA wind hold — rare in West Texas

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Final Thoughts

This rifle isn't just about numbers on paper — it’s a performance-driven platform built for shooters who demand consistent, repeatable precision in harsh field conditions.

Pros:

• Insane precision premium ammo
• Lightweight yet rugged build
• Exceptional ergonomics and trigger feel
• Dead-on tracking out to 1,000 yards

Considerations:

• Price: Around $7,000, which positions it in the ultra-premium category
• Intended for: Serious hunters and shooters who value custom quality

Gear Featured in This Review

Gear                                                                      Link

Allterra Arms (Rifle)                           allterraarms.com

Zeiss Conquest V4 Optic                  zeiss.com - Conquest V4

Dead Air Nomad Suppressors         deadairsilencers.com

Federal Premium Ammo                 federalpremium.com

Tactacam Spotting Cam                         tacacam.com

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Want to learn what we teach in our long-range shooting schools?
Download our FREE eBook with 5 shooting tips + 3 bonus hunting tips — link pinned in the YouTube comments.

Conclusion: If you’re in the market for a custom bolt-action rifle built for mountain hunts and long-range performance, Allterra Rifles deserves a spot on your shortlist.

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