CMMG

CMMG 57A9A0FAB Banshee MK57 5.7X28 5 Tube Arblk

CMMG 57A9A0FAB Banshee MK57 5.7X28 5 Tube Arblk - Complete Rifle - view 1
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Overview

The CMMG 57A9A0FAB Banshee MK57 5.7X28 5 Tube Arblk is a complete rifle. Compare prices from multiple merchants and find the best deal.

Specifications

MPN57A9A0FAB
PlatformAR-9
Caliber5.7x28mm
Gas System LengthPistol
Thread Pitch1/2x28
Action TypeSemi-Auto
Twist Rate1:9
ColorBlack
ComplianceStandard
Barrel Length5.0

Available Merchants(2)

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BattleHawk Armory
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$1,290
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Primary Arms
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$1,420
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Build history on GunPartPicker

Builders on GunPartPicker first added the CMMG 57A9A0FAB Banshee MK57 5.7X28 5 Tube Arblk to a build in July 2026.

It was out of stock everywhere we track for all of September 2026, and today none of the 2 retailers we track has it in stock right now. Listed prices start at $1,290.44 at BattleHawk Armory for when it comes back.

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