Load data for 5.56 x 45 NATO + 77gr Barnes Match Burner BT

456 suitable loads across 81 powder(s) for cartridge 5.56 x 45 NATO with 77gr Barnes Match Burner BT bullet.

The most recommended powders for this combination are Alliant Power Pro 1200-R, Hodgdon BL-C2 and Hodgdon H322.

Based on NATO EPVAT, the max. allowed case length is 1.760 in / 44.70 mm, the max. cartridge length is 2.260 in / 57.40 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.

77gr Barnes Match Burner BT bullet image

Based on NATO EPVAT, the max. allowed case length is 1.760 in / 44.70 mm, the max. cartridge length is 2.260 in / 57.40 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.

Load Specifications

ImperialMetric

Bullet:.224 | 77gr | Match Burner BT

Cartridge:5.56 x 45 NATO load data

Case Length (L3):1.759" | 44.7 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.523" | 13.3 mm

Case Capacity:30 gow | 1.94 cm³

Primer Size:Small Rifle (SR)

Max. Pressure (NATO EPVAT):62,366 psi | 4,300 bar

Barrel Length:20.0" | 508 mm

Min. Twist Rate:1:9.0

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Community Loads for 5.56 x 45 NATO + 77gr Barnes Match Burner BT

Real loads for this combination shared by our community. Charge weights are only fully visible with an active Pro licence.

Charge (gr)	C.O.L.	Barrel Length	Velocity (fps)	Pressure (psi)

22.8 gr	2.225"	10.3"	2267 fps	•••
23.0 gr	2.225"	10.3"	2287 fps	•••

24.0 gr	2.226"	10.3"	2254 fps	•••
•••	2.226"	10.3"	2369 fps	•••

•••	2.225"	10.3"	2280 fps	•••

•••	2.226"	18.0"	2589 fps	•••

Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.