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5.56x45 - 77 Grain OTM - Black Hills - 500 Rounds

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Overview

Quantity - 50 rounds per box; 10 boxes per case
Manufacturer - Black Hills
Bullets - 77 grain open tip match (OTM)
Casings - Boxer-primed brass
Product Type Ammo
Manufacturer Black Hills Ammunition
Condition New
Bullet Weight 77 Grain
Bullet Type Open Tip Match
Ammo Casing Brass
Quantity 500
Ammo Caliber 5.56x45mm
Manufacturer SKU D556N9
Primer Type Boxer
Muzzle Velocity (fps) 2750
Muzzle Energy (ft lbs) 1293
Attracts Magnet No
UPC Barcode 612710126385
Use Type
Match Shooting
Range Training
See More Information
Look up the 10 longest-distance rifle shots in recorded history. Not one of them was performed with a 5.56x45. But that doesn’t mean America’s favorite rifle cartridge isn’t capable of delivering pinpoint accuracy (within reasonable distances). You just gotta have the right kind of ammo.

This is the right kind of ammo. When Black Hills Ammunition of Rapid City, SD isn’t hard at work producing match ammo for U.S. military sniper teams, they’re loading high-grade cartridges like the 5.56 you see here!

This round’s bullet is remarkably heavy: 77 grains, which gives it greater momentum and greater resultant resistance to wind drift. Note that a barrel twist of 1:8” or faster is necessary to sufficiently stabilize so heavy a bullet.

The open tip match isn’t a hunting bullet. It lacks any features that would have enabled it to expand upon striking soft tissue, as its design is completely dedicated to enhancing accuracy. That includes a thin copper jacket, as well as lead core that was poured into place (through the hollow point) so it could settle into a voidless, rotationally stable core. The OTM also features a cannelure that maintains its seating depth under recoil forces.

Black Hills gives their premium range and competition loads match primers, exquisitely uniform propellant charges, and high-grade reloadable brass cases. The cases have not been fired before; the discoloration on their necks only proves that they were correctly heat-treated at the factory.

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