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Hsm Match 223 Remington 77 Grain Sierra Bullets MatchKing BTHP

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Ammo Reports Team 2 0 223 Remington

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Official Specs

Note — BC values: HSM does not publish ballistic coefficient data for this load. The Sierra MatchKing 77gr .224-caliber bullet carries a well-documented G1 BC of approximately 0.372 per Sierra Bullets’ own published data. This figure is sourced from the component bullet manufacturer, not from HSM, and is used in the ballistics table below for estimation purposes only.

Note — Energy cross-check: A 77-grain projectile at 2,680 fps produces a calculated muzzle energy of approximately 1,228 ft-lbs — consistent with the listed value. No discrepancy flagged.

Hsm Match 223 Remington 77 Grain Sierra Bullets MatchKing BTHP (Box)

$75.99

in stock

Ballistics Table

Calculated estimate. Real-world results vary by barrel length, temperature, altitude, and lot. Community submissions will provide measured muzzle velocity for comparison.BC G1 0.372 sourced from Sierra Bullets component data, not HSM. Sight height 1.5″ above bore. Zero: 100 yards.

Key takeaway: The 77-grain Sierra MatchKing retains supersonic velocity well past 400 yards, making this load a genuinely capable option for medium-range precision work in the .223 Remington chambering. The relatively flat trajectory out to 200 yards means holds are minimal for most practical target distances. Beyond 400 yards, wind drift becomes the dominant variable — the MatchKing’s aerodynamic profile manages this better than most bullets in this caliber, but shooters working past 500 yards should expect meaningful wind calls. The energy curve stays above 500 ft-lbs through 500 yards, which is notable for a .223 load.

The Sierra MatchKing Bullet

The Sierra MatchKing is among the most widely used competition bullets in the world, with a history stretching back decades in NRA High Power, F-Class, and service rifle competition. The 77-grain .224-diameter variant was specifically developed to stabilize in 1:8 twist barrels — a critical consideration for .223 Remington shooters. Standard SAAMI-spec .223 barrels with a 1:12 twist will not stabilize this bullet reliably; a 1:9 twist is marginal, and 1:8 is the recommended minimum. Shooters must confirm their barrel’s twist rate before using this ammunition.

The boat tail hollow point design serves a purely aerodynamic purpose in this context. The hollow point on a MatchKing is a manufacturing artifact of the pointing process used to achieve a precise, consistent ogive — it is not designed for terminal expansion. This is a competition bullet optimized for ballistic consistency and accuracy, not hunting performance.

Best Uses

Good fit:

• Precision rifle competition and service rifle matches where 77-grain loads are specifically advantaged
• Long-range target shooting at 300–500 yards from barrels with 1:8 twist
• Accuracy testing and load development benchmarking against other match-grade .223 loads
• Shooters who want access to Sierra MatchKing performance without sourcing components and reloading
• Training with match-equivalent ballistics in preparation for competition

Not the right tool for:

• Rifles with 1:12 or 1:9 twist barrels — bullet stabilization is not guaranteed
• Hunting applications — the MatchKing is not designed for controlled expansion and may not meet legal requirements for hunting in some jurisdictions
• Budget-conscious volume training — at $3.80/round, this is a precision load, not a plinking option
• AR-platform rifles not rated or throated for 77-grain .223 projectiles — chamber compatibility should be verified
• Defensive or duty use where reliable terminal performance is required

Reliability Notes

No structured submissions yet.

Per manufacturer claims and retailer product descriptions, HSM positions this load as a premium match offering built around consistent component selection and quality control. The use of Sierra MatchKing projectiles — a component with an independently established reputation — provides a meaningful reference point for expected accuracy potential. Open-source shooter forums note that HSM Match loads generally perform at or near the accuracy levels of more expensive match ammunition from larger manufacturers, though lot-to-lot consistency has occasionally been noted as a variable worth tracking. No structured, independently verified data is available at this time. All reliability notes reflect manufacturer claims or open-source community observations, not structured test submissions.

Competitors

Note: Black Hills and Federal Gold Medal both use the identical Sierra MatchKing component bullet. Velocity and price differences reflect production scale and sourcing, not bullet performance differences.

Price Reality

• At $75.99 per box of 20, this load prices out at $3.80 per round — significantly above most competitors offering the same Sierra MatchKing bullet
• Black Hills 223 Rem 77gr Sierra MatchKing typically retails for $32–$38 per box, or roughly $1.60–$1.90 per round for the same bullet
• Federal Gold Medal Match in the same configuration runs approximately $30–$36 per box
• Hornady Match 75gr ELD-M, a legitimate competitor, is typically available for $25–$32 per box
• At $75.99, this load is priced at roughly double the market rate for equivalent 77-grain MatchKing ammunition — buyers should verify current market pricing before purchasing at this price point
• A fair benchmark for this load is $28–$40 per box of 20; anything above $45 per box warrants comparison shopping
• Case pricing (if available) was not published at time of writing

Prices change. Check the Where to Buy block for current listings.

Where to Buy

Hsm Match 223 Remington 77 Grain Sierra Bullets MatchKing BTHP (Box)

Experience unmatched accuracy with Hsm Match 223 Remington 77 Grain Sierra Bullets MatchKing BTHP, designed for precision shooting enthusiasts. This premium ammunition delivers superior performance and reliability, ensuring you stay ahead of the competition.

$75.99 at Ammunitiondepot.com

Affiliate links. These do not influence ratings, data, or any editorial content on this page.

FAQ

Does the Sierra MatchKing 77-grain bullet expand on impact?
The Sierra MatchKing BTHP is not a hunting or defensive bullet — the hollow point is a byproduct of the ogive-forming manufacturing process, not an expansion mechanism. Sierra explicitly states that MatchKing bullets are intended for target shooting only and does not recommend them for hunting. Terminal behavior on tissue is inconsistent and unpredictable compared to purpose-built hunting or defensive projectiles. Buyers looking for a .223 load with reliable expansion should look at Hornady TAP, Federal Fusion, or similar purpose-designed loads.

What twist rate does my barrel need to stabilize the 77-grain bullet?
A minimum of 1:8 twist is required to reliably stabilize a 77-grain .224-caliber bullet in .223 Remington. A 1:9 twist may stabilize this bullet under some conditions — warmer temperatures, shorter ranges — but is considered marginal and not recommended. The standard 1:12 twist found in many older AR-15 and bolt-action .223 rifles will not stabilize this bullet and will produce poor accuracy and potentially dangerous keyholing. Confirming your barrel’s twist rate before purchasing is essential.

How does this HSM load compare to Black Hills 77gr Sierra MatchKing?
Both loads use the identical Sierra MatchKing 77-grain component bullet, making the projectile performance essentially equivalent. Black Hills lists a slightly higher muzzle velocity (2,750 fps vs. 2,680 fps) and is widely available at roughly half the price per round. The primary practical difference is production scale and price — Black Hills is a high-volume producer of this specific configuration and is the load against which many competition shooters benchmark. For most buyers, Black Hills or Federal Gold Medal represent better value for the same bullet.

Is this ammunition legal for use in NRA High Power or CMP competition?
The 77-grain Sierra MatchKing is a legal and commonly used projectile in NRA High Power Service Rifle competition, where it has become the dominant choice at 600 yards. However, competition rules vary by organization, match type, and division — shooters should verify current rulebooks for their specific competition class. The load itself presents no inherent regulatory issues; the question is always whether the firearm and division rules permit factory match ammunition or require specific configurations.

Can this load be used in a .223 Wylde or 5.56 NATO chamber?
Yes — a .223 Wylde chamber is specifically designed to accept both .223 Remington and 5.56 NATO ammunition while optimizing accuracy for match-grade .223 loads. This HSM load is well-suited to a .223 Wylde chamber, assuming the barrel has adequate twist rate (1:8 recommended). Standard 5.56 NATO chambers will also safely fire this ammunition, though the slightly looser throat dimensions may produce marginally less precision than a dedicated .223 Wylde or match chamber. Never fire 5.56 NATO-pressure ammunition in a barrel marked .223 Remington only.

Hsm Match 223 Remington 77 Grain Sierra Bullets MatchKing BTHP (Box)

$75.99

in stock