Maxim Defense Industries, SBA Short Barrel Ammunition, 5.56 NATO, 55 Grain, Solid Copper Bullet, TUI (Tumble Upon Impact) Design, 20 Round Box, Short Barrel Ammunition
55 Grain
Today's short barrel rifles excel in close-quarter encounters but sometimes lack the velocities and terminal ballistics that longer barrels have. To address these concerns, Maxim Defense partnered with Fort Scott Munitions to optimize ammunition loads specifically for SBRs. By making these adjustments, as well as including their TUI (Tumble Upon Impact) technology, the Maxim Defense Ammunition ballistic wound cavities exceed the standards of both Expanding and Fragmenting projectiles. The TUI design of the projectiles tumble all the way down to 500 fps.
Specifications:
- Caliber: 5.56mm NATO
- Bullet Weight: 55 Grain
- Type: Solid Copper Bullet
- Quantity: 20 Rounds
| Specification |
|
Value |
| Caliber |
|
5.56mm Nato |
| Weight |
|
55 Grain |
| Bullet Type |
|
Copper |
| |
|
|
| MFG NO |
|
MXM-49000 |
| SKU |
|
6049998 |
| UPC |
|
680017490003 |
The Below Information Has Been Provided From Our Gun Caliber Dictionary And Is Meant For Informational Purposes Only. It Is Not Intended to Describe The Unique Specifications For This Ammunition.
The 5.56X45mm NATO cartridge was designed by James Sullivan, a member of Eugene Stoner's engineering team that developed both the M16 rifle and its original cartridge. The 5.56X45mm NATO was adopted by the U.S. military in 1964 and by NATO in 1980. With bullet diameter of .224-inch, the original M193 military cartridge used a 55-grain bullet at 3250 fps; the current M855A1 cartridge, developed by FN, uses a 62.5-grain bullet at 3020 fps, offering greater range and better penetration. The civilian version of the 5.56X45mm is 223 Remington; the cartridges are dimensionally identical but military chamber dimensions and specifications for military brass are different. It is considered safe to use 223 Remington ammo in a 5.56X45MM NATO chamber, but not a good idea to use 5.56X45mm ammo in a rifle specifically chambered for the 223 Remington. Although the stopping power of .22-caliber bullets remains controversial the 5.56X45mm has served well in now multiple generations of M16 rifles. —
Craig Boddington
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