SIG 550 for Sale
Browse SIG 550 listings from verified sellers across the U.S. on GunsAmerica.
Quick Look
The SIG 550 is a Swiss-made assault rifle developed in the 1980s for military use. It emphasizes precision, durability, and user safety. Today, it remains popular among collectors and NATO forces for its reliable performance and engineering.
Why It's a Top Choice
- Exceptional accuracy and long-range capability
- Robust construction suited for harsh conditions
- Fully adjustable sights and modular design
- Proven reliability in diverse environments
- Wide NATO cartridge compatibility
Key Variants
SIG 550 Commando
Compact variant ideal for close quarters and special operations.
SIG 551
Shortened barrel model preferred by units requiring enhanced maneuverability.
SIG 552
Carbine offering excellent balance between size and effective range.
SIG 553
Modernized model featuring improved ergonomics and accessory rails.
Competitor Comparison Table
| Feature | Sig 550 | HK 416 | FN SCAR |
|---|---|---|---|
| MSRP | $3,000+ | $3,200+ | $3,500+ |
| Capacity/Size | 20-30 rounds, 22.5 in barrel | 20-30 rounds, 16.5-20 in barrel | 20-30 rounds, 16-20 in barrel |
| Weight | 9.9 lbs | 8.5-7.9 lbs | 7.9-8.1 lbs |
| Optics-Ready | Yes, integrated mount | Yes, Picatinny rail | Yes, Picatinny rail |
| Trigger Type | Two-stage | Single-stage | Adjustable |
| Notable Pro | High precision and durable Swiss engineering | Reliability and widespread military adoption | Modularity and combat-proven versatility |
| Notable Con | Heavy compared to modern carbines | Higher cost and maintenance | Complexity and price point |
Best Use Cases
- Military and law enforcement duty
- Collecting Swiss precision firearms
- Long-range target shooting
- Self-defense with high-caliber rounds
- Range training and drills
FAQs
Can I customize the SIG 550 for optics?
Yes, the SIG 550 has an integrated optics mount accepting a variety of scopes and red dots for enhanced targeting.
What caliber does the SIG 550 use?
The SIG 550 fires the 5.56x45mm NATO cartridge, standard for many military rifles worldwide.
How does the SIG 550 compare in weight to modern carbines?
At approximately 9.9 pounds, it is heavier than many modern carbines designed to prioritize maneuverability.
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