.224 Valkyrie

The .224 Valkyrie (5.6×41 mm)^[5] cartridge is a .22 caliber (5.6 mm) rimless bottlenecked intermediate rifle cartridge, developed by Federal Premium Ammunition to rival the performance of the .22 Nosler, while still being compatible with modern sporting rifles (MSRs).^[4] The case is based on that of the 6.8mm Remington SPC, which in turn was based on the .30 Remington.

.224 Valkyrie
From left: 6.8 SPC (110gr VMax), 6.8 SPC (90gr JHP), .224 Valkyrie (88gr ELD), .224 Valkyrie (75gr FMJ)
Type	Rifle
Place of origin	United States
Production history
Designer	Federal Ammunition
Designed	2017
Specifications
Parent case	6.8 SPC/.30 Remington
Case type	Rimless, bottlenecked
Bullet diameter	0.2245 in (5.70 mm)
Neck diameter	0.2560 in (6.50 mm)
Shoulder diameter	0.4031 in (10.24 mm)
Base diameter	0.4207 in (10.69 mm)
Rim diameter	0.422 in (10.7 mm)
Rim thickness	0.049 in (1.2 mm)
Case length	1.60 in (41 mm)
Overall length	2.260 in (57.4 mm)
Case capacity	34.5 gr H2O (2.24 cm3)
Rifling twist	1 in 7"
Primer type	Small Rifle
Maximum pressure (SAAMI)	55,000 psi (379.2 MPa)
Maximum pressure (C.I.P.)	405.0 MPa (58,740 psi)
Ballistic performance
Bullet mass/type Velocity Energy 60 gr (4 g) Nosler BT 3,459 ft/s (1,054 m/s) 1,594 ft⋅lbf (2,161 J) 75 gr (5 g) ELD Match 3,013 ft/s (918 m/s) 1,512 ft⋅lbf (2,050 J) 90 gr (6 g) Fusion SP 2,638 ft/s (804 m/s) 1,391 ft⋅lbf (1,886 J)
Test barrel length: 24 in[1][2][3][4] Source(s): Hodgdon Reloading