Type | Flechette |
---|---|
Projectile | Sabot, fiberglass, steel flechette, white, 1 smooth crimping cannelure |
Case | brass, taper crimp |
Primer | percussion, flat, copper |
Headstamp | R-P 222 REM MAG |
Notes | Late 1980s AAI ballistic test round for testing at Picatinny Arsenal as part of the development of suitable cartridges for the Advanced Combat Rifle (ACR) program. |