Compact, lightweight, and built around a modern pistol cartridge, this semi-auto rifle bridges the gap between range fun and tactical practicality. Its folding stock and optics-ready top rail make it a strong option for shooters who want a nimble platform that’s easy to transport and accessorize.
KELTEC R50 is a used 5.7x28mm rifle for sale that comes ready to shoot: a folding buttstock, two magazines included, and a long Picatinny rail up top for a variety of optics. 
Priced at $579.99, this one-owner example represents solid value for shooters curious about the 5.7x28mm round. Shop this product
Design and features
The KELTEC R50’s folding buttstock reduces overall transport length without sacrificing a usable cheek weld when extended. The included two magazines give you immediate range time without waiting for accessories, and the long Picatinny rail provides an expansive footprint for red dots, magnified optics, or backup iron sights. Its lightweight construction favors carry and quick handling for training sessions or casual range days.
HWK XL 5.56 Giveaway
No purchase necessary
Entry link emailed immediately
A third-party retailer is currently hosting a giveaway for an HWK XL 5.56 pistol package (≈ $1,800 retail value).
I track legit firearm & gear giveaways and share the official entry links when they go live.
Caliber advantages and range performance
Chambered in 5.7x28mm, this rifle offers high-velocity performance with low recoil compared to many centerfire cartridges. Recent price relief on 5.7x28mm ammo has made regular practice more practical, increasing the R50’s appeal as a dedicated range rifle. Expect flatter trajectories at typical small-range distances and fast follow-up shots thanks to modest recoil impulse.
Optics and accessory fitment
The long top rail simplifies mounting choices: compact red dots for quick target acquisition or low-power variable optics for extended precision. The folding stock and simple controls make the platform intuitive for shooters of varying experience levels. View product details and pricing
Who should consider the KELTEC R50
If you want a compact semi-auto that’s fun at the range and adaptable for optics, the KELTEC R50 at $579.99 is a compelling used-option. Its 5.7x28mm chambering, folding stock, and included magazines make it a practical buy for shooters looking to explore this cartridge without a heavy investment. Check current availability on our shop page to see this specific listing and purchase through the retailer. Check 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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