- 5.56x45mm NATO
- Gas-operated, open bolt design
- Belt-feed using M27 NATO-standard disintegrating links
- Formed steel receiver
- Claw extractor
- Fixed, pivoting ejector
- Hydraulic recoil buffer
- Top cover integrated MIL-STD 1913 mounting rail
- Three forward-mounted MIL-STD 1913 mounting rails at 9, 6 and 3 o’-clock positions
- Carry handle
- NATO-standard pintle eye
- Crossbolt safety button
- MIL-SPEC hammer forged barrel
- Chrome lined bore and chamber
- Flash suppressor
- Barrel heat shield/handguard
- Ergonomic polymer buttstock
- Sling eyelets front and rear
- Non-slip buttplate
- Adjustable steel bipod
- Polymer belted-ammunition container