Load data for 5.56 x 45 NATO + 77gr Nosler Custom Competition

514 suitable loads across 85 powder(s) for cartridge 5.56 x 45 NATO with 77gr Nosler Custom Competition bullet.

The most recommended powders for this combination are Alliant Power Pro 1200-R, Hodgdon CFE223 and SNPE Vectan SP 10.

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 Nosler Custom Competition 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 | Custom Competition

Cartridge:5.56 x 45 NATO load data

Case Length (L3):1.759" | 44.7 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.513" | 13.0 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:1:9.5

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Community Loads for 5.56 x 45 NATO + 77gr Nosler Custom Competition

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)

22.0 gr	2.226"	11.5"	2438 fps	•••

25.2 gr	2.260"	16.0"	2723 fps	•••

23.5 gr	2.226"	16.0"	2625 fps	•••
•••	2.260"	16.0"	2657 fps	•••

•••	2.226"	10.3"	2333 fps	•••

•••	2.260"	16.0"	2530 fps	•••
•••	2.260"	16.0"	2582 fps	•••

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