SIG 556 SWAT for Sale
Browse sig 556 swat listings from verified sellers across the U.S. on GunsAmerica.
Quick Look
The SIG 556 SWAT is based on the Swiss SG 550 series, blending European precision with American ergonomics. Built for modularity and tactical versatility, it features a folding stock and full-length Picatinny rail. Though no longer in production, it remains popular among collectors and tactical rifle enthusiasts for its rarity and unique design.
Why It's a Top Choice
- Folding stock offers compact storage and transport
- Full-length rail supports a wide range of optics
- Proven long-stroke piston system for cleaner operation
- High-quality Swiss-style construction and fit
- Accepts standard AR-15 magazines
Key Variants
SIG 556 SWAT Patrol
Designed with a shorter barrel, ideal for close-quarters and vehicle operations.
SIG 556 Classic SWAT
Combines the SWAT's tactical features with a classic fixed stock reminiscent of the SG 550.
SIG 556xi SWAT
Features quick-change barrels and caliber interchangeability for mission flexibility.
Competitor Comparison
| Feature | Sig 556 Swat | FN SCAR 16S | IWI X95 |
|---|---|---|---|
| MSRP | $1,500 (discontinued) | $3,299 | $1,799 |
| Capacity/Size | 30+1, 16" barrel | 30+1, 16.25" barrel | 30+1, 16.5" barrel |
| Weight | 8.2 lbs | 7.25 lbs | 7.9 lbs |
| Optics-Ready | Yes | Yes | Yes |
| Trigger Type | Military-style, non-adjustable | Two-stage | Bullpup trigger |
| Notable Pro | Exceptional build quality | Lightweight and modular | Extremely compact form |
| Notable Con | No longer in production | High price point | Trigger feel is subpar |
Best Use Cases
- Home or property defense
- Tactical training and range use
- Law enforcement applications
- Collectors of discontinued rifles
- Preparedness and SHTF loadouts
FAQs
What is the Sig 556 SWAT based on?
The Sig 556 SWAT is derived from the Swiss SG 550 platform, adapted for the U.S. market.
Can I still buy a new Sig 556 SWAT?
No, SIG Sauer discontinued it, but used models are frequently listed in good condition.
How does the Sig 556 SWAT compare to the AR-15?
It uses a piston-driven system, offering cleaner operation than the AR-15's direct impingement.
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