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Winchester USA is designed for the person who shoots a lot and doesn't want to overthink it. This 55 grain full metal jacket load delivers what you need for range days, practice sessions, and tactical training without the premium price tag attached to match-grade ammo.
The core strength here is reliability. These rounds fire, eject, and feed smoothly through AR-15s and other .223 platforms without the fussiness you sometimes get with bulk ammunition. People have been running Winchester White Box through everything from competition setups to duty rifles for years with minimal hiccups. The FMJ design means you get positive functioning and no expansion, which is exactly what you want for target work.
This load hits 3,240 fps muzzle velocity and 1,282 foot-pounds of energy, which gives you a flat trajectory to about 250 yards and enough speed to stay supersonic downrange. That velocity combined with the 55 grain weight makes it a solid training round whether you're working on accuracy at distance or just putting rounds downrange to maintain skills.
Manufactured at Lake City, these rounds use non-corrosive brass casings that are reloadable if that's your thing. The brass is heat-treated to handle consistent use, and the clean-burning propellant means less carbon buildup in your barrel compared to some budget options. You'll spend less time cleaning and more time shooting.
Winchester USA is what it is: practical, dependable ammunition for the person who values consistency over perfection. It won't turn you into a precision competitor, but it will get you through training sessions and range days without drama or surprises.
.223 Remington can be safely fired in rifles chambered for 5.56 NATO. Most AR-15s and modern sporting rifles handle this ammo without issue. That said, the opposite isn't always true—5.56 NATO ammo may produce higher pressures in .223-only chambers. Check your rifle's chamber specification if you're unsure, but this Winchester load will run fine in standard 5.56 rifles.
Yes. Winchester uses brass cases with boxer primers, so reloading is straightforward if you're setting up a reload operation. The cases are heat-treated and designed for multiple uses. Just plan on standard prep and inspection procedures like you would with any fired brass.
The 55 grain bullet delivers a very flat trajectory out to about 250 yards, which covers most practical training distances. At 500 yards you're looking at significant bullet drop, roughly the height of a person. For longer-range work, heavier bullets like 62 grain or 75 grain will hold velocity better, but this load does the job for typical range and tactical training.
Winchester produces White Box ammunition at high volume specifically for training and range use. They don't add premium components or match-grade consistency that would drive the cost up. You're getting quality ammunition optimized for price and practicality rather than competition-grade precision. It's a fair trade-off for someone who shoots frequently.
| UPC | 020892225022 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | W223200 |
| Bullet Weight (Grains) | 55 |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Case Material | Brass |
| Grains | 55 gr |
| Product Type | Full Metal Jacket |
| Shipping Weight | 5.2 |
| Units per Box | 200 |
| Cost per Round | 0.61 |
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