| Cartridge | .223 AI | 
| Model | BA 50c | 
| Manufacturer | Sierra | 
| Model | Match King | 
| Weight | 175.000 Grains | 
| Lot# | 
| Manufacturer | IMR | 
| Model | IMR4227 | 
| Charge Weight | 10.50 Grains | 
| Lot# | 
| Manufacturer | CCI | 
| Model | 450 | 
| Thickness | |
| Lot# | 
| Manufacturer | Lapua | 
| Model | 300BLK | 
| Length | 1.365 Inches | 
| Lot# | 
| Length to Ogive (LTO) | |
| Overall Length (OAL) | 2.215 Inches | 
| Bullet Length | 2.21 Inches | 
| Projection Length | 0.850 Inches | 
| Velocity: (feet per second) | 1045 Fps | 
| Chronograph, (brand & model) | |
| Chronograph Distance | 
Outstanding subsonic accuracy load for the 300BLK and 175SMK. Struggled with about 8 different powders before landing here. It's a little louder than powders such as trailboss, N320, and N350... but is far more accurate. .