5.56 Brass

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$29.99 /100 count

Out of stock

Part #: 12347
Description

The 5.56 ammunition cartridge is an intermediate cartridge first developed by FN Herstal. Over the years the 5.56 has become increasingly popular in many areas but more so in military applications, competitive fi rearms, and home defense applications.

SAAMI Specifications
  • Type: Rifle
  • Date of Origin: 1961
  • Case Type: Rimless, Bottleneck
  • Neck Diameter: .253 in (6.4 mm)
  • Shoulder Diameter: .354 in (9.0 mm)
  • Base Diameter: .377 in (9.6 mm)
  • Base Thickness: .045 in (1.1 mm)
  • Rim Diameter: .378 in (9.6 mm)
  • Case Length: 1.76 in (45.0 mm)
  • Primer Type: Small Rifle
  • Max Pressue: 55,114 psi (380 MPa)