Home » Shop » ALLEYCAT ALLEYCAT 556, Suppressor, 5.56 NATO, 6.1″ Length, 1.6″ Diameter, Black, Inconel QD
ALLEYCAT 556 INCONEL 718 QD BLK

$1,280.00

Out of stock

🔇 No Form 4 needed — since October 9, 2026 a suppressor transfers on a standard Form 4473 and background check, with no tax stamp or wait. Texas buyers can complete it with us; out-of-state orders ship to an SOT dealer in your state. How it works.
Product Code: AC556QD718-N Category: Brand:

Alleycat 5.56 Inconel 718 QD suppressor Black — Inconel 718 5.56 NFA can with QD mount. Full-auto and sustained fire rated. No Form 4 needed. Western Sport TX.

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Product Description

Update, October 9, 2026: ATF no longer requires a Form 4, tax stamp, fingerprints or registration for suppressors, short-barreled rifles, short-barreled shotguns or AOWs. They now transfer on a standard Form 4473 with a background check. Anything below that mentions a Form 4, a wait or a tax stamp was written before this change. What changed

⚠ SUPPRESSOR — NO FORM 4 REQUIRED
Since October 9, 2026, ATF no longer requires a Form 4, tax stamp, fingerprints, photos or registration for suppressors. It transfers like any other firearm: a Form 4473 and a NICS background check. Buyer must be 21 or older and allowed to own a suppressor under their state’s law. Outside Texas, we ship to an SOT dealer in your state. What changed · How buying one works now

The Alleycat 5.56 Inconel 718 QD is Alleycat’s Inconel 718 AR-15 suppressor — the choice for high-volume 5.56 shooters. Quick-Detach mount. Inconel 718 construction handles full-auto and sustained semi-auto fire at cyclic rates that erode standard 5.56 suppressors. Covers 5.56 NATO, .223 Rem, and smaller calibers. If you own a registered machine gun, shoot competitive shooting with high round counts, or run extended training courses, the Inconel 718 Alleycat is built for that use. Black finish.

Spec Detail
Caliber 5.56 NATO / .223 Rem and smaller
Construction Inconel 718
Mount QD — Quick-Detach
Finish Black
Advantage Full-auto and sustained fire rated
NFA Class Suppressor — no Form 4 required
Made in USA Alleycat Suppressors

Ordering from Western Sport

Order online and we ship it to the licensed FFL dealer you choose near you — see how buying a gun online works. Western Sport has been a licensed FFL/SOT dealer since 2007, and everything we sell carries the full manufacturer warranty. Questions before you order? Send us a message.

FAQ — Inconel 718 Suppressors

What is Inconel 718 and why does it matter for suppressors?

Inconel 718 is a specific nickel-chromium-molybdenum superalloy with exceptional high-temperature strength — it retains its mechanical properties at temperatures that cause stainless steel and titanium to soften. In suppressors, this translates to sustained-fire capability: where a standard suppressor begins to degrade after high-volume semi-auto or full-auto fire, an Inconel 718 suppressor maintains its geometry and performance. If you run a registered machine gun, shoot high-round-count training courses, or engage in competition shooting, Inconel 718 is the premium choice.

First NFA purchase? Here is how buying one works now.

Additional information

Weight 2.062 lbs
Brand ALLEYCAT
Caliber

Finish

Mount Type

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Out of stock — but we have these 5.56 NATO cans on the shelf right now

Want this exact one? We can often get it in. Call (817) 393-4000 and we will tell you the real lead time, or browse everything in stock.

Buying a suppressor now: a Form 4473 and a background check. No Form 4.

Since October 9, 2026, ATF no longer requires a Form 4, tax stamp, fingerprints, photos or registration to buy a suppressor. It transfers like any other firearm: you fill out a Form 4473, pass a NICS background check, and it is yours. No months-long wait.

  • Texas buyers: suppressors are legal under Texas law. Western Sport has been an SOT / Class III dealer since 2007.
  • Outside Texas: we ship to an SOT dealer in your state, who completes the 4473 with you. Your state’s law still decides — some states ban suppressors, and some only allow ones registered with ATF.
  • Want it registered anyway? ATF still accepts a voluntary Form 4. Ask us.

What ATF changed on October 9, 2026
How buying a suppressor works now
Questions? Send us a message.

In Stock Now — Comparable Options

This item is out of stock. These are on the shelf today and ship or transfer the same way. Not sure which is the right swap? Call 817-393-4000 and we will tell you straight.

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