Description
The DoubleTap 223 Rem 77gr HPBT load is built for shooters who want more from their 223 Remington than typical factory ammunition delivers. DoubleTap loads a 77 grain hollow point boat tail (HPBT) match bullet to a rated 2855 feet per second, producing about 1394 foot-pounds of energy from a 22 inch barrel. Part of the DT Longrange line, this heavy 77 grain match bullet is built for shooters who want to stretch the reach of their 223 rifle.

Why Choose the DoubleTap 223 Rem 77gr HPBT
- 77 grain HPBT match bullet
- Rated 2855 fps, 1394 ft-lbs (22 in barrel)
- About 2755 fps from 20 in and 2695 fps from 16 in barrels
- High ballistic coefficient for long-range work
- 20 rounds per box, item 223R77HP
Built for Precision
- Long-range target shooting and precision matches
- Service rifle and practical rifle competition
- Shooters who want better wind performance from a 223
- AR-15 rifles and bolt guns with 1:7 or 1:8 twist barrels
Many AR-15 owners keep a few different loads on hand. The DoubleTap 223 Rem 77gr HPBT is the heaviest match option in this group, a step up from the 69 grain HPBT, and it pairs well with FMJ practice ammo of similar recoil.
Buying ammunition by the box from the same production lot keeps velocity and point of impact consistent from one range trip to the next. Keep a record of the load you carry, check your ammunition for dents or loose bullets from time to time, and rotate your carry rounds so the ones in your firearm stay fresh. These simple habits help you get the full performance DoubleTap builds into every cartridge.
Before you trust any new load, fire enough rounds through your firearm to confirm it feeds, fires and ejects reliably and that the point of impact matches your sights. Full-power loads produce more recoil and muzzle blast than typical range ammo, so practice with the DoubleTap 223 Rem 77gr HPBT until you are comfortable with it, and store the rest in a cool, dry place in the original box.
Specifications
- Brand: DoubleTap Ammunition
- Product Line: DT Longrange
- Caliber: 223 Remington
- Bullet Weight: 77 grains
- Bullet Type: hollow point boat tail (HPBT) match bullet
- Muzzle Velocity: 2855 fps (22 inch barrel)
- Muzzle Energy: 1394 ft-lbs
- Case: Brass
- Quantity: 20 rounds
- Item Number: 223R77HP
- UPC: 091037282934
Why Choose DoubleTap 223 Rem Ammo
The 77 grain bullet is one of the heaviest common 223 match weights, and its long, sleek shape holds velocity and resists wind far better than lighter bullets. DoubleTap rates it at 2855 fps and 1394 foot-pounds from a 22 inch barrel, with about 2755 fps from a 20 inch and 2695 fps from a 16 inch carbine.
When you compare 223 rem match ammo, make sure your barrel can stabilize the bullet. This 223 rem 77 grain hpbt load needs a fast 1:7 or 1:8 twist, which is common on modern AR-15 barrels but not on older 1:9 or 1:12 barrels. It is labeled 223 Remington, so it can be fired in rifles marked 223 or 5.56 NATO.
DoubleTap Ammunition is an American company known for loading popular calibers to their full potential, especially the 10mm Auto and other magnum handgun rounds. Doubletap 223 rem ammo is loaded with quality components and brass cases, and many shooters choose it when they want the performance a caliber was designed for rather than a reduced-power range load.
Precision shooters, competitors and AR-15 owners with fast-twist barrels who want maximum long-range performance from a 223 will find this a strong match load. Always confirm your firearm is chambered for 223 Remington, wear eye and ear protection, and follow all federal, state and local laws.
Browse more ammunition at Mag 5 Firearms, or visit DoubleTap Ammunition for more about their full line of loads.









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