Data Quality82%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the assault rifles category.
01 / Overview
Adcor A-556
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
ASSAULT RIFLES · MODERN ERA
14
PERFORMANCE/PRICE
88
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the assault rifles category, regardless of era.
02 / Specs & Design
◎General1MOD.1
- DesignerAdcor Defense
◈Cartridge & Calibre2MOD.2
- Cartridge5.56×45mm NATO
- Calibre Class5.56mm
▣Operation4MOD.4
- Action TypeSelect-Fire
- Fire Modesselective fire
- Select FireYes
- Feed SystemDetachable Magazine
◇Ballistics2MOD.2
- Muzzle Velocity853 m/s
- Accuracy0.88
◆Barrel & Sights3MOD.3
- Barrel Length368 mm
- Rifling Twist1:7
- Optic RailYes
▤Construction2MOD.2
- Ambidextrous ControlsYes
- Modularityupper receiver compatible with M4 lowers
03 / History
SERVICE LIFESPANStill in Service
- 2010Production started
- 2020Production ended
16
years in service
10
years in production
556
units produced
1
countries operating
05 / MASS Score
ASSAULT RIFLES RANKING Assault Rifles · Modern Era
MASS RANKINGSMASS ↗
35ASSAULT RIFLES14MODERN ERA · ASSAULT RIFLES484UNITED STATES · ALL WEAPONS29PERFORMANCE/PRICE · ASSAULT RIFLES
ⓘ Rankings are within theAssault Riflescategory.
📖 TERMS ON THIS PAGE5terms
A firearm feed system where ammunition is stored in a separate container (magazine) that can be removed and replaced, enabling rapid reloading.
A mounting system for attaching optical sights to rifles.
Select fire is a fire selector mechanism on a firearm that lets the shooter choose the firing mode, such as semi‑automatic, burst, or fully automatic.
Firearm capability allowing selection between semi-automatic and fully automatic modes via a selector switch.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources