Patch1.0.0.142.19

Ammo that penetrates class 4 armour

25 rounds11 calibers

25 rounds are rated at class 4 or higher on the patch 1.0.0.142.19 chart — 12 exactly at class 4, the rest above it. Against class 4 plates these are the rounds that go through rather than get eaten.

Highest penetration that beats class 4

Best per caliber

11 calibers

7.62R7.62x54mm 7N37Pen 71 · class 7

7.62N7.62x51mm M61Pen 68 · class 6

.338.338 APPen 64 · class 6

7.62S7.62x39mm APPen 54 · class 5

5.7x285.7x28mm SS198Pen 53 · class 5 5.8x425.8x42mm DVC12Pen 53 · class 5

5.455.45x39mm BSPen 52 · class 5

5.565.56x45mm M995Pen 52 · class 5

9x399x39mm 7N12Pen 50 · class 5

.44.44 JSPPen 42 · class 4

9mm9x19mm 7N31Pen 40 · class 4

Ranked by penetration

Every round rated class 4+

25 rounds

Ammunition with penetration, damage, velocity, price and value score
Round	Tier	Caliber	Pen	Class	Flesh	Armour dmg	Velocity	V-recoil	Value
7.62x54mm 7N377.62x54mm	Tier S	7.62R	71	7	64	54	785 m/s	−3.0	81.3
7.62x51mm M617.62x51mm	Tier S	7.62N	68	6	50	37	849 m/s	−11.0	75.2
.338 AP.338mm	Tier S	.338	64	6	90	55	849 m/s	−5.0	85.6
7.62x54mm SNB7.62x54mm	Tier S	7.62R	63	6	67	43	875 m/s	−9.0	77.1
.338 FMJ.338mm	Tier A	.338	54	5	94	41	900 m/s	−3.0	79.5
7.62x39mm AP7.62x39mm	Tier A	7.62S	54	5	45	32	730 m/s	−4.0	63.1
7.62x54mm 7BT17.62x54mm	Tier A	7.62R	54	5	72	38	820 m/s	−2.0	72.1
5.7x28mm SS1985.7x28mm	Tier A	5.7x28	53	5	43	23	792 m/s	−4.0	55.8
5.8x42mm DVC125.8x42mm	Tier A	5.8x42	53	5	44	29	915 m/s	−4.0	61.2
7.62x51mm M627.62x51mm	Tier A	7.62N	53	5	56	28	816 m/s	−9.0	64.4
5.45x39mm BS5.45x39mm	Tier A	5.45	52	5	40	26	830 m/s	−4.0	56.6
5.56x45mm M9955.56x45mm	Tier A	5.56	52	5	41	27	1,013 m/s	−4.0	57.8
9x39mm 7N129x39mm	Tier A	9x39	50	5	50	22	295 m/s	−3.0	55.0
9x39mm 7N99x39mm	Tier B	9x39	47	4	56	13	310 m/s	−1.0	47.1
7.62x39mm BP7.62x39mm	Tier B	7.62S	45	4	55	23	730 m/s	−2.0	53.8
5.8x42mm DVP885.8x42mm	Tier B	5.8x42	44	4	47	19	870 m/s	−1.0	47.0
.338 UPZ.338mm	Tier B	.338	42	4	110	30	849 m/s	0	75.9
.44 JSP.44mm	Tier B	.44	42	4	67	18	450 m/s	+2.0	51.3
7.62x51mm M807.62x51mm	Tier B	7.62N	42	4	63	21	833 m/s	−3.0	52.6
7.62x54mm LPS7.62x54mm	Tier B	7.62R	42	4	75	27	865 m/s	−1.0	61.7
5.45x39mm BP5.45x39mm	Tier B	5.45	41	4	45	17	890 m/s	−1.0	42.4
5.7x28mm SS1905.7x28mm	Tier B	5.7x28	41	4	47	18	716 m/s	−2.0	43.9
9x39mm SP69x39mm	Tier B	9x39	41	4	53	18	305 m/s	+1.0	45.9
5.56x45mm M855A15.56x45mm	Tier B	5.56	40	4	47	20	945 m/s	−1.0	44.9
9x19mm 7N319x19mm	Tier B	9mm	40	4	44	19	600 m/s	−2.0	43.0

Not yet recorded for this patch: Price

From the ammo chart

What the class rating means

Armour in Arena Breakout: Infinite is class 1 to 6. The chart rates each round by the highest class it reliably penetrates; a round rated class 4 is expected to go through class 4 plates and below, and to be stopped or heavily reduced by anything higher. Durability matters too — a plate that has already taken hits stops less.

To see what a given weapon can load, open its best-ammo page from the weapons index; the full chart with every column is the ammunition index, and the plates themselves are under armour.