Load data for 5.56 x 45 NATO + 55gr Norma FMJ

309 suitable loads across 52 powder(s) for cartridge 5.56 x 45 NATO with 55gr Norma FMJ bullet.

The most recommended powders for this combination are ADI AR 2219, SNPE Vectan SP 10 and Hodgdon H335.

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 | 55gr | FMJ

Cartridge:5.56 x 45 NATO load data

Case Length (L3):1.759" | 44.7 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.245" | 6.2 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:1:12.0

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Community Loads for 5.56 x 45 NATO + 55gr Norma FMJ

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)

23.5 gr	2.260"	20.0"	3153 fps	•••
24.0 gr	2.260"	20.0"	3202 fps	•••

25.0 gr	2.260"	20.0"	2989 fps	•••

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