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CGS Helios QD (5.56 can) on a FN PS90

AI illustration of a similar part on the gun.

FN PS90 · Muzzle device

CGS Helios QD (5.56 can)

$1,650

6.5 in long, 1.75 in wide. Mount: 1/2x28 direct-thread rear cap, or QD with muzzle device via 1.375x24 adapter.

Build with this part

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

Specs

Can type5.56
Length (in)6.5
Mount1/2x28 direct-thread rear cap, or QD with muzzle device via 1.375x24 adapter
LegalNFA item. Check federal and state law.

Pros and cons

Pros
  • Rebuildable and user-serviceable
  • Ships with a 1/2x28 rear cap so it threads straight on
  • Rated all the way up to big magnums
Cons
  • Pricey and heavy for a PS90
  • Fat 1.75 in body

Other muzzle device options