Home » Shop » KGM R556A1, 5.56 NATO, 4.85″ Length, 1.75″ Diameter, Cerakote Finish, Black
KGM R556A1 5.56 QD 1/2X28 FH BLK

$925.00

🔇 NFA made simple — we are an SOT/Class III dealer and walk you through the entire ATF process in-house. Questions? Call (817) 393-4000 before you buy.
Product Code: KGMRS-R556A1-QD-BLK Category: Brand:

KGM R556A1 5.56 suppressor QD 1/2×28 flash hider black AR-15 NFA. $0 stamp. Western Sport TX.

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Product Description

⚠ NFA ITEM — SUPPRESSOR
Federally regulated suppressor. BATFE Form 4, background check, $200 NFA tax stamp now $0 under OBBBA. Buyer must be 21+, US citizen, NFA-legal state. Allow about two weeks or less. Western Sport handles all paperwork — call 817-393-4000.

KGM R556A1 5.56 Suppressor QD 1/2×28 Flash Hider — Black

The KGM R556A1 is KGM’s first-generation 5.56 quick-detach suppressor with included flash hider in black. A1 = original generation design. 1/2×28 is the standard AR-15 muzzle thread. The included flash hider provides QD mount interface. Covers 5.56 NATO, .223 Rem, and smaller calibers. A solid entry-point QD 5.56 suppressor from KGM.

Spec Detail
Caliber 5.56 NATO / .223 Rem and smaller
Thread 1/2×28 — standard AR-15
Mount QD — Quick-Detach
Muzzle Device Flash Hider (included)
Generation A1
Finish Black
NFA Class Suppressor — Form 4, $0 stamp (OBBBA)

KGM: American Suppressor Engineering

KGM is an American suppressor manufacturer offering a comprehensive lineup from entry-level CORE suppressors to premium titanium and QD-equipped rifle cans. KGM suppressors are designed for a wide range of hosts and shooting applications — from .22 rimfire to .30 caliber centerfire rifles.

FAQ

How to buy NFA at Western Sport? Call 817-393-4000. Roanoke TX FFL/SOT since 2007. BATFE Form 4 handled in-house. $0 stamp (OBBBA). Allow about two weeks or less for ATF approval.

Why Buy From Western Sport?

Western Sport is a licensed FFL/SOT dealer in Roanoke, Texas (North Texas). FFL/SOT since 2007. We carry KGM suppressors and handle all NFA Form 4 paperwork in-house. Call 817-393-4000.

Recent eForm 4 approvals have been coming back in about two weeks or less — see our NFA wait times guide for current figures.

Additional information

Weight 1.875 lbs
Brand KGM
Caliber

Finish

Mount Type

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First suppressor? Here is how buying one actually works.

Western Sport has been an SOT / Class III dealer in Roanoke, Texas since 2007. You buy the can here, we hold it in the safe, and we file the ATF paperwork for you — fingerprints and photo included. Your federal tax stamp is $0.

NFA Made Simple — the step-by-step
What the August 2026 court ruling actually changed
Questions? Call us at (817) 393-4000.

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