Compact semi-automatic platforms remain popular for tactical defense due to controllability, accessory compatibility, and ease of storage. For shooters and home-defense-minded users who want a unique historical design with modern handling, this pre-owned specimen offers a balance of legacy engineering and practical features.
LUSA USA SGS is a pre-owned example featuring a faux suppressor on a 16″ barrel, an adjustable stock, and one 30-round magazine. 
Overview and Heritage
Developed by Portugal’s INDEP in 1983, the SGS blends design elements from the HK, MP5 and Uzi families. Notable in this lineage is the use of the MP5’s trigger housing while simplifying the internals with a straight blowback action and a welded bolt/carrier unit. The historical context gives the platform a distinctive feel and maintenance approach compared with original roller-delayed systems.
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Shop this product to inspect the pre-owned condition, view the listing specifics, and confirm included accessories like the 30-round magazine and adjustable stock.
Design, Controls, and Handling
The SGS emphasizes ambidextrous controls, which is a practical advantage for household defense or duty use where handedness can vary. The faux suppressor on the 16″ barrel provides a distinct profile and can reduce perceived muzzle flash; note that it is cosmetic unless confirmed otherwise on the product page. The adjustable stock improves ergonomics for different shooters and storage configurations.
Action and Maintenance
Its straight blowback action and welded bolt/carrier simplify teardown and reduce the number of moving parts compared to delayed systems. However, the SGS lacks a bolt hold-open device, so manual cycling and immediate-action drills should account for that behavior. Verify service history and inspect the bolt and carrier welds when examining a used unit (G-56124-1 is the listed reference).
View product details and pricing to confirm the $1,599.99 price and to see full imagery and seller notes.
Caliber is not listed on the product information; prospective buyers should confirm chambering before purchase and select ammunition that matches the stamped caliber. The listing is sold as-is with one 30-round magazine and no additional extras.
For buyers seeking a compact, historically informed semi-auto with ambidextrous controls and an adjustable stock, this LUSA USA SGS is a distinct option. Check current availability on the product page where the listing connects to the retailer for purchasing options and condition notes. Check current availability
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People Also Ask
What makes this product stand out from competitors?
This product offers superior quality and innovative features that set it apart in the market. Its design focuses on both performance and reliability, making it a top choice for professionals and enthusiasts alike.
Is this product suitable for beginners?
Yes, this product is designed with user-friendly features that make it accessible to beginners while still offering advanced capabilities for experienced users.
What warranty or support is available?
The product comes with comprehensive warranty coverage and excellent customer support to ensure your satisfaction and peace of mind.
How does this compare to similar products in its price range?
This product offers exceptional value for its price point, providing features and quality that typically cost significantly more in comparable alternatives.
What maintenance is required?
Minimal maintenance is required thanks to the product’s durable construction and quality materials. Regular cleaning and occasional inspections will keep it performing optimally.
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