5.56x45mm AP (M855A1)
General West
Last change: 0.4.7.5 · not fully verified yet · current game 0.5

- Stopped by armor class
- III++
- Muzzle velocity
- 970 m/sWithin its caliber (5.56x45mm)861 m/s1,030 m/s
- Accuracy
- +7%Positive = more accurate
- Durability
- −40%Weapon wear
Armor classes
- I
- I+
- I++
- IIA
- IIA+
- II
- II+
- IIIA
- IIIA+
- III
- III+
- III++
- IVA+
- IV
- IV+
- IV++
Penetration tests
I–III+: one-shot kill · III++: no penetration · IVA+–IV++: not tested
- 0no penetration
- 1light bruise or bleed
- 2medium bleed
- 3one-shot kill
- ?not tested
Player tests: one shot point blank to another player's heart (top of the head for helmets).
Penetration tests: GZW Bullet Pen Chart (AstroPolski and contributors), v0.4
Weapons that fire it
All 5.56x45mm weaponsDescription
A specialized military round used in rifles chambered for the 5.56x45mm caliber. It is an improved variant of the M855 round with enhanced performance and penetration capabilities. The M855A1 features a 62-grain projectile with a steel penetrator tip and a lead-free copper core. It is designed to provide increased accuracy, consistency, and improved barrier penetration compared to its predecessor.
Other 5.56x45mm rounds
Compare 5.56x45mm
5.56x45mm AP (M995)Gunny · rank 4Stopped by armor class IV
5.56x45mm AP (M855A1)(this page)Gunny · rank 3Stopped by armor class III++
5.56x45mm Tracer (M856A1)Gunny · rank 3Stopped by armor class III++
5.56x45mm AP (M855)Gunny · rank 2Stopped by armor class III+
5.56x45mm Tracer (M856)Gunny · rank 2Stopped by armor class III+
5.56x45mm M193Gunny · rank 2Stopped by armor class III
5.56x45mm FMJGunny · rank 1Stopped by armor class III
5.56x45mm HPBTGunny · rank 2Stopped by armor class IIIA+
5.56x45mm SPGunny · rank 1Stopped by armor class I
Values to check
These notes come from the import of the first data. They say why a value is empty or doubtful.
- weight: 0.01 kg, the default older source wiki pages use; left empty