5.56×45 – SS109 NATO

5.56×45 – SS109 NATO


Small-caliber ammunition NATO Ball
62-grain unlinked
5.56 mm Ball cartridge

The 5.56 × 45 mm NATO Ball is a 62-grain rifle cartridge supplied as separate, unlinked ammunition. Developed for dependable operation and consistent ballistic performance, it is intended for compatible 5.56 mm NATO weapon systems.

62 gr / 4.00 g
NATO STANAG 4172
Separate / unlinked
Non-corrosive Boxer primer

Engineered cartridge construction

The cartridge combines a CuZn10-jacketed projectile with a 35B2 steel penetrator and lead-antimony rear core, a CuZn30 brass case, double-base smokeless propellant, and a waterproof Boxer primer system.

01

Composite projectile

CuZn10 jacket, 35B2 steel penetrator, and a 2.2% lead-antimony rear core.

02

Sealed brass case

CuZn30 cartridge case with waterproof sealing at the case mouth and primer joint.

03

Propellant and primer

Double-base smokeless propellant with a non-corrosive, non-mercuric Boxer percussion primer.

04

NATO qualification

Qualified to NATO STANAG 4172 and the listed ammunition performance documents.

Caliber5.56 × 45 mm NATO
Ammunition type62 gr Ball
Supply formUnlinked cartridges
Total length57.40 mm (-0.70)
Total weight11.85 g (±0.45)
Bullet weight62 gr / 4.00 g (±0.10)
Bullet length23.10 mm (±0.20)
Bullet extraction≥200 N
Case length44.70 mm (-0.25)
Case materialCuZn30 brass
Bullet materialCuZn10 jacket; 35B2 steel penetrator; lead-antimony rear core (2.2%)
PropellantDouble-base, smokeless
PrimerBoxer percussion; non-corrosive; non-mercuric
WaterproofingCase mouth and primer joint sealed

Velocity at 24 m911 ±15 m/s at 21°C
Muzzle energy≥1,564 J
Bullet energy at 24 m≥1,480 J
Precision at 550 mHorizontal and vertical standard deviation ≤200 mm
Trajectory match at 300 mVertical ≤125 mm; horizontal ≤175 mm
Trajectory match at 500 mVertical ≤275 mm; horizontal ≤385 mm
Published terminal effect at 570 m≥90% perforation of 3.5 mm mild-steel plate with 0.5 mm aluminum witness screen

Compliance and qualification
NATO STANAG 4172
AC/225 (LG/3-SG/1) D/8
PFP (NAAG-LG/3-SG/1) D(2004)1

Qualification and acceptance remain subject to the contracted specification, lot documentation, inspection requirements, and applicable customer approvals.

Controlled supply and published test data

Supply is limited to authorized governmental, defense, and industrial customers and remains subject to contract, technical qualification, applicable legislation, export and import licenses, approved end use, transport, and storage requirements. Published ballistic values apply to specified test conditions and may vary with weapon, barrel, ammunition lot, and environment.

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Weapon Compatibility

Fully qualified for use in all NATO-nominated 5.56 mm weapon systems, including:

  • Assault Rifles:
    FNC, M16A2, H&K G36, BERETTA AR 70/90, L85A2
  • Light Machine Guns:
    FN MINIMI (M249)

Built to NATO specifications. Trusted by armed forces. Available in volume.
AI Armaments BV delivers 5.56 mm BALL ammunition that meets the highest standards of military performance and logistical readiness.

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