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Knight's Armament

Knight's Armament MCQ-2 5.56

KAC's shortest 5.56 QDC can at 4.5 inches and 12.7 oz, a lighter mini-CQB trade against the CRS-2

Knight's Armament MCQ-2 5.56

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Quick Specs

Price
$1,350
Weight
12.7 oz
Brand
Knight's Armament
Category
suppressor

Features

  • •5.56 NATO
  • •KAC QDC over 1/2-28 muzzle device
  • •148 dBA at 1m / 141 dBA at ear
  • •4.5 in OAL / 3.9 in added
  • •Black or FDE

Capability Boosts

Suppression+2
Mobility+2

Recommended For

Vehicle Operations+2
Outdoor Defense+2
Concealed Carry+2
everyday carry+2
pocket carry+2
deep concealment+2

+9 more

Compatibility Tags

family: modern-riflefamily: ar-patternsuitable-for: ultra-compactcaliber: 556caliber: 223suppressor-mount: kac-qdc-556

Pros

  • +Shortest KAC 5.56 QDC can, 4.5-inch OAL adding only 3.9 inches to the muzzle
  • +Light at 12.7 oz, minimal effect on handling and balance
  • +KAC QDC quick-disconnect mounts tool-free over a 1/2-28 muzzle device
  • +Compatible with the QDC 3-prong flash hider and QDC open brake kit
  • +Available in Black and FDE

Cons

  • −Lighter but less durable than the MCQ-1, per Knight's own description
  • −Louder than the longer CRS-2, 148 dBA versus 143 dBA at one meter
  • −$1,350 before adding a QDC muzzle device
  • −5.56 QDC lockup only; no HUB rear and no direct-thread option

Detailed Specifications

Length
4.5 inches (3.9 inches added to bare muzzle)
weight
12.7 oz (360 g)
Mount Type
KAC QDC quick-disconnect over a KAC 5.56 QDC muzzle device, sold separately (30555 QDC 3-prong flash hider or 123191 QDC open brake kit)
minimumBarrelLength
Not published
ratedCalibers
5.56 NATO / .223 REM
soundReduction
148 dBA at 1m left, 141 dBA at ear
Finish
Black or FDE

Compatible Platforms

Knight's Armament Company

Knight's Armament SR-15 E3 Mod 2 M-LOK

Knight's Armament Company

Knight's Armament SR-15 E3 CQB Mod 2 M-LOK

Knight's Armament Company

Knight's Armament SR-15 KS-1 13.7" M-LOK

Knight's Armament Company

Knight's Armament SR-15 KS-2 14.5" M-LOK

Knight's Armament Company

Knight's Armament SR-15 KS-3 11.5" M-LOK

Pairs Well With

Top matches

Knight's Armament Company

Knight's Armament SR-15 E3 Mod 2 M-LOK

1 shared compatibility tags

Great

Knight's Armament Company

Knight's Armament SR-15 E3 CQB Mod 2 M-LOK

1 shared compatibility tags

Great

Knight's Armament Company

Knight's Armament SR-15 KS-1 13.7" M-LOK

1 shared compatibility tags

Great

Knight's Armament Company

Knight's Armament SR-15 KS-2 14.5" M-LOK

1 shared compatibility tags

Great

Knight's Armament Company

Knight's Armament SR-15 KS-3 11.5" M-LOK

1 shared compatibility tags

Great

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