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KGM R556A2 (5.56 can) on a FN PS90

AI illustration of a similar part on the gun.

FN PS90 · Muzzle device

KGM R556A2 (5.56 can)

$975

6.4 in long, 1.75 in wide. Mount: QD with muzzle device (KGM 1/2x28 QD flash hider).

Build with this part

Opens the builder with this part fitted. Other parts change only if they have to.

Specs

Can type	5.56
Length (in)	6.4
Mount	QD with muzzle device (KGM 1/2x28 QD flash hider)
Legal	NFA item. Check federal and state law.

Pros and cons

Pros

Rated up to 6mm, so 5.7 is inside its range
Tapered QD mount with secondary retention

Cons

Heavy at over 19 oz
Maker does not name 5.7x28

Other muzzle device options

Three-prong flash hider, 1/2x28 $39.95
A2 birdcage flash hider, 1/2x28 $14.95
Strike Industries King Comp, 1/2x28 $69.95
Two-port muzzle brake, 1/2x28 $59.95
Linear compensator, 1/2x28 $89.95
Compact 5.7 mm suppressor $699
Full-size 5.7 mm suppressor $899
SilencerCo Saker ASR 556 (5.56 can) $797