The Barnes Cal Diam. 77gr Match Burner is a heavy, accuracy focused .224 bullet built for long range 22 caliber shooters. This hollow point boat tail projectile carries a cannelure, which makes it a favorite for loading magazine length 223 and 5.56 rounds that need a secure crimp. These are brand new bullets, bulk packaged to pass along savings, with only a very slight bit of discoloration and no blems, seconds, or pulls. If you chase small groups at distance, the Barnes Cal Diam. 77gr Match Burner deserves a place on your bench.
What the Barnes Cal Diam. 77gr Match Burner is
The Barnes Cal Diam. 77gr Match Burner measures .224 inches in diameter and weighs 77 grains, a heavy match weight for the caliber. HPBT stands for hollow point boat tail, a form that boosts the ballistic coefficient and helps the bullet buck wind at extended range. The cannelure lets you crimp for reliable feeding in semi automatic rifles without hurting accuracy.
This bullet is built for precision handloaders, high power competitors, and long range 223 shooters who run fast twist barrels. The 77 grain Match Burner is one of the classic heavy .224 options, and reloaders reach for it when they want consistent, repeatable performance downrange.
Key features of the Match Burner bullet
- Heavy 77 grain match weight for long range work
- Hollow point boat tail profile for a high ballistic coefficient
- Cannelure for a secure crimp in semi automatic rifles
- Standard .224 inch diameter for 223 Remington and 5.56
- Brand new bullets, bulk packaged to lower your cost
- Offered in 100 and 500 count quantities
Specifications and consistency
The grain weight is listed at 77 gr with a measured lot average very close to that figure and a tight standard deviation, which speaks to the uniformity of this bullet. The .224 inch diameter matches the standard 22 caliber centerfire bore. Heavy 77 grain bullets need a fast twist to stabilize, so a 1 in 8 or faster barrel is the right home for this projectile.
The cannelure gives you a defined crimp groove, which matters for magazine fed rifles where recoil can push bullets deeper. Combined with the boat tail base, it makes this a practical match bullet that also runs reliably in a gas gun.
Reloading, care, and compatibility
Work up your load from published 223 and 5.56 data, matching powder and primer to your barrel and twist rate. Start below maximum, increase in small steps, and confirm your bullets stabilize by checking groups on paper. Store the bullets dry so the jackets stay clean.
These bullets seat with standard .224 dies and feed well from AR-15 magazines when crimped to the cannelure. Read more about the Match Burner line from Barnes, then round out your order in our apparel and gear category.
Heavy bullets and fast twist
Heavy 22 caliber bullets have transformed what the 223 and 5.56 can do at distance. Where light varmint bullets fade in the wind, a long, high ballistic coefficient projectile holds its velocity and drifts far less, extending the useful range of a modest cartridge. That is why match shooters and long range enthusiasts reach for the heavier weights.
The catch is twist rate. Heavy bullets need a fast twist barrel to stabilize, typically one turn in eight inches or quicker, so confirm your barrel before you commit to a load. In the right rifle, this weight rewards you with tight groups and confident hits well past the range of lighter loads.
Buying in bulk is the smart play for anyone who shoots matches or practices at distance. A 500 count supply loads a lot of precision ammunition and lets you lock in a proven recipe. Store the bullets dry so the jackets stay bright, and you will have match grade components on hand whenever you head to the range.
Stock the Barnes Cal Diam. 77gr Match Burner and take your 223 loads to longer distances with confidence. Ships direct to your door, no FFL required.






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