PMC X-TAC 5.56 NATO 55 Grain FMJ-BT Ammo – 20Rd Box (556X)
The PMC X-TAC 5.56 NATO 55 grain FMJ-BT (556X) is built for shooters who demand dependable function, consistent ballistics, and bulk value. This factory-sealed case contains 20 rounds, making it an excellent option for serious training, range work, and high-volume AR-15 shooting.
Manufactured to NATO pressure specifications, this 5.56x45 load offers reliable cycling and clean performance across a wide range of modern sporting rifles.
- Manufacturer: PMC
- MPN: 556X
- UPC: 741569010115
- Caliber: 5.56x45 NATO
- Bullet Weight: 55 Grain
- Bullet Style: Full Metal Jacket Boat Tail
- Velocity: Approximately 3,200+ fps (barrel dependent)
- Box Pack: 20 Rounds
- Brass Cased: Yes
- Reloadable: Yes
The boat-tail projectile profile improves in-flight stability and helps maintain consistent accuracy at practical distances. Combined with PMC’s strict quality control standards, this load delivers reliable ignition, smooth feeding, and predictable recoil impulse.
Whether you're zeroing optics, running drills, or stocking up for extended range sessions, PMC X-TAC 55gr remains one of the most trusted bulk 5.56 NATO options available.
Frequently Asked Questions – PMC X-TAC 5.56 NATO 55gr (556X)
Is this ammunition suitable for high-volume range sessions?
Yes. The 55 grain full metal jacket design is well suited for extended practice and consistent AR-15 function during repetitive training.
What does FMJ-BT indicate?
FMJ-BT stands for Full Metal Jacket Boat Tail. The boat-tail base helps enhance aerodynamic efficiency and can contribute to improved stability during flight.
Are the cases reloadable?
Yes. This ammunition uses brass casings that can be reloaded using proper equipment and procedures.
Is this true 5.56 NATO pressure?
Yes. This load is manufactured to 5.56 NATO specifications. Always ensure your firearm is rated for 5.56 NATO before use.