Custom .300 PRC Extreme Long Range Rifle ARC Coup De Grâce

***  More photos available upon request ***

This custom-built .300 PRC ARC Coup De Grâce extreme long-range precision rifle by Three Oaks Tactical is a fully dialed-in, competition-ready system designed for serious shooters who demand performance at distance. With only ~100 rounds fired, this rifle is in excellent condition and has been professionally zeroed at 200 yards, making it a true turnkey setup—ready to hit the range immediately.

Built around premium components and engineered for consistency, this rifle is capable of 1-mile engagements (video available upon request). Every detail has been carefully selected to maximize accuracy, repeatability, and shooter comfort.

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Key Highlights

• Chambered in .300 PRC – ideal for extreme long-range shooting
• 200-yard zero – ready to shoot out of the case
• Low round count (~100 rounds)
• 1-mile capable platform
• Complete package with optic, bipod, magazines, and hard case

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Action & Platform

• American Rifle Company Coup De Grâce Bolt Action (Remington 700 Long Action footprint)
• Fluted right-hand bolt with hourglass black knob
• 0.535” bolt face
• 30 MOA Picatinny scope rail

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Barrel & Muzzle System

• 26” Patriot Valley Arms Osprey Prefit Barrel
• PROOF Competition contour (heavier than MTU)
• Spiral fluted (5-flute design)
• 1:7” twist rate
• 5/8-24 Class 3A threading
• ATS tuner installed
• Jetblast stainless muzzle brake

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Trigger

• TriggerTech Diamond Trigger
• Adjustable pull weight (approx. 4 oz – 32 oz)
• Zero Creep Technology™ for ultra-clean break and consistency

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Chassis System

• American Rifle Company XYLO Chassis (7075 aluminum)
• Fully adjustable LOP and cheek riser
• Integrated deployable leveling system
• Ergonomic walnut grip
• Integral ARCA rail + M-LOK compatibility
• Weight system installed (rifle approx. 22.75 lbs total)

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Optics & Mounting

• Vortex Strike Eagle 5-25×56 FFP Scope
  • EBR-7C illuminated reticle
  • 34mm tube with 110 MOA elevation
  • Zero stop turrets
• 20 MOA forward optic mount

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Stability & Accessories

• ACCU-TAC PC-5 ARCA SPEC QD Bipod
  • Adjustable, cant and pan capable
  • Aircraft-grade aluminum construction
• MDT Steel CIP 5-Round Magazines (Qty: 2)
  • 3.850” length for .300 PRC
  • AICS pattern compatibility
• SEND IT GEN2 Electronic Level
  • Instant LED feedback for precise rifle leveling

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Case & Storage

• Pelican Vault V800 Hard Case
  • Crushproof and weather-resistant
  • Custom foam cut for rifle, optic, bipod, magazines, and ammo storage
  • TSA-friendly locking capability

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Condition

• Excellent condition
• Barrel professionally broken in per manufacturer recommendations
• Minimal use with approximately 100 rounds fired

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Summary

This is a no-compromise, extreme long-range precision rifle package built for shooters who want top-tier performance without the wait or guesswork of a custom build. Whether you’re competing, training, or pushing distances beyond 1,000 yards, this rifle delivers the accuracy, consistency, and reliability needed to perform.

Take it out of the case and start shooting—everything is already done for you.