Elevate your precision shooting with the Atomic .223 Remington 77 Grain Sierra MatchKing—a true match‑grade cartridge built around Sierra’s famed 77 gr HPBT MatchKing bullet for sub‑MOA accuracy and rock‑solid consistency. Engineered by Atomic Ammunition to exacting standards, this load delivers the trajectory, wind‑resistance, and uniformity you need for competition, tactical training, and target work.
Key Features:
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Bullet Design: Loaded with a 77 grain Sierra MatchKing® hollow‑point boat‑tail projectile renowned for its uniform ogive, concentricity, and reliable magazine feeding.
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Ballistic Coefficient: G1 BC of 0.372 minimizes drag and wind drift for flatter trajectories out past 500 yards.
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Muzzle Velocity & Energy: Delivers approximately 2,600 fps and 1,155 ft‑lbs of muzzle energy, ensuring consistent down‑range performance and effective energy retention.
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Premium Brass & Primer: New, reloadable brass cases paired with non‑corrosive Boxer primers provide reliable ignition, safety in storage, and multiple reloading cycles.
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Precision Hand‑Inspected Loads: Every round is checked for exact charge weight and cartridge length to minimize extreme spread and standard deviation, translating to tighter groupings shot after shot.
Why Choose Atomic .223 Rem 77 Gr Sierra MatchKing?
Atomic Ammunition’s rigorous quality control—combined with Sierra’s world‑beating MatchKing bullet design—delivers match‑grade accuracy at a competitive price. Whether you’re competing in PRS matches, fine‑tuning an AR‑pattern rifle, or pushing the limits of precision on the range, this .223 Rem 77 Gr SMK load gives you the consistency, flat trajectory, and confidence to make every shot count.
