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Sig Sauer
Overview
The SIG SAUER SLX 5.56mm QD Flow Suppressor is designed specifically for 5.56 NATO caliber firearms, providing effective sound suppression while maintaining accuracy. Its Quick Detach mount type allows for easy attachment and removal, making it a practical choice for builders looking to streamline their setup or switch between suppressed and unsuppressed shooting. This suppressor is commonly found in AR-15 builds focused on versatility and enhanced shooting comfort.
Specifications
SIG SAUER SLX 5.56mm QD Flow Suppressor (NG556-QD)
Price and stock
Availability is good for the SIG SAUER SLX 5.56mm QD Flow Suppressor (NG556-QD): it was in stock at one retailer or another nearly every day in September 2026, and today all 3 retailers we track have it in stock. Prices barely moved in September 2026, holding around $1,449.99, so there haven't been real sales lately. Buying today, the lowest price is $1,449.99 at Brownells, which matches the best price we saw in September.
Prices checked · refreshed daily across 37 retailers
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