.17-223

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.17-223
MicroExp.JPG
Left to right: .17/223 Norma Experimental, .17-223 Frankford Arsenal Experimental F A 7 2, .17-223 Frankford Arsenal Experimental F A 7 3, 4.3x45 D.A.G. Experimental DAG 4.3X45, 4.9x45 D.A.G. Experimental DAG .223, 4.7x45 Experimental DAG 4.7 MM, 4.85x49 Experimental XL1E1 RG 77 4.85
Type Rifle
Place of origin United States
Specifications
Parent case .223 Remington
Bullet diameter .172 in (4.4 mm)
Neck diameter .203 in (5.2 mm)
Shoulder diameter .358 in (9.1 mm)
Base diameter .376 in (9.6 mm)
Rim diameter .378 in (9.6 mm)
Case length 1.76 in (45 mm)
Overall length 2.15 in (55 mm)
Primer type Small rifle
Ballistic performance
Bullet weight/type Velocity Energy
25 gr (2 g) Hornady 3,929 ft/s (1,198 m/s) 875 ft·lbf (1,186 J)
25 gr (2 g) Hornady 3,940 ft/s (1,200 m/s) 862 ft·lbf (1,169 J)
25 gr (2 g) Hornady 3,989 ft/s (1,216 m/s) 883 ft·lbf (1,197 J)
Test barrel length: 22 in
Source(s): Ammo Guide [1]

The .17-223 is a centerfire wildcat rifle cartridge. It is based on the .223 Remington, but the neck is re-sized to accept a .17 caliber bullet.

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