Heavy Caliber

Same +165% as Serration with a harsh accuracy tax.

Corrupted rifle damage with an accuracy penalty. Equal damage to Serration when the gun can eat the bloom.

Rank scrubber

Rank 10 / 10

Drain 16 unmatched · 8 with Madurai match · max 16

Overview

Starts at (rank 0)

Max rank (10)

Rank	Effect	Drain	Matched
0	+15% Damage -5% Accuracy	6	3
1	+30% Damage -10% Accuracy	7	4
2	+45% Damage -15% Accuracy	8	4
3	+60% Damage -20% Accuracy	9	5
4	+75% Damage -25% Accuracy	10	5
5	+90% Damage -30% Accuracy	11	6
6	+105% Damage -35% Accuracy	12	6
7	+120% Damage -40% Accuracy	13	7
8	+135% Damage -45% Accuracy	14	7
9	+150% Damage -50% Accuracy	15	8
10	+165% Damage -55% Accuracy	16	8

At max rank

Unmatched

Madurai match

Max drain 16 unmatched / 8 matched Madurai. Costlier than Serration — only worth it when the accuracy hit is irrelevant.

Farm call: Derelict Vault (Orokin Vault) at 4.17% — bring Dragon Keys.

Great on spray rifles, beams, and anything already inaccurate at the ranges you fight.
Avoid on snipers, bows, and tight headshot rifles where −55% accuracy at rank 10 ruins the kit.
Treat it as a Serration sidegrade, not a second damage mod — they do not stack as separate identities.

Same damage-slot conversation — pick the peer when the condition fits.

Serration

+90% Damage

You need clean accuracy — beams at range, snipers, precise bursts.

Amalgam Serration

+155% Damage · +25% Sprint Speed

You want mobility instead of corrupted bloom.