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KelTec R50 5.7x28mm Carbine 16.1″ Threaded Barrel 50+1 Green Folding

UPC: 640832009309

$725.99

42 in stock

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Description

Fifty rounds on tap in a rifle that weighs less than most loaded pistols. That is the whole pitch behind the KelTec R50, and it holds up in person. This is the rifle version of KelTec's P50 pistol, chambered in 5.7x28mm and fed by FN P90 style magazines that lay flat along the top of the receiver. The name is literal: R50 stands for Rifle, 50 Rounds. At 3.48 pounds unloaded, it feels almost impossibly light for something carrying that much ammo, yet the 5.7 cartridge keeps recoil so mild that fast follow-up shots come naturally.

A Folding 5.7 Carbine That Stores Small

The side-folding stock pivots to rest along either side of the grip, taking the R50 from 30.5 inches deployed down to just 21.5 inches folded. That makes it a natural fit for a pack, truck bag, or tight gun safe. This model wears the green receiver and matching polymer furniture over a black 16.1 inch barrel, which is threaded 1/2×28 with a 1:7 twist for anyone planning to add a muzzle device. Controls are fully ambidextrous, including the safety, and the AR-style charging handle runs smooth and familiar.

Setting Up the KelTec R50 Your Way

Adjustable iron sights come installed and handle windage and elevation, but the real estate is where this thing shines. You get over 7 inches of Picatinny rail up top for red dots, magnifiers, or scopes, plus another 2 inches underneath for a light or hand stop. A QD sling cup sits just above the magazine release, perfectly placed for a single-point sling setup.

Between the velocity of the 5.7x28mm round, the featherweight handling, and that huge magazine capacity, the R50 makes a fun range companion, a capable small game rig, and a genuinely practical compact carbine. KelTec includes two 50-round magazines, so you are set for 100 rounds before the first reload of the day.

Key Specifications

  • Manufacturer: KelTec
  • Model: R50
  • Manufacturer Part Number: R50GRN
  • UPC: 640832009309
  • Caliber: 5.7x28mm
  • Action: Semi-Auto
  • Capacity: 50+1
  • Barrel Length: 16.1"
  • Thread Pattern: 1/2"x28
  • Twist Rate: 1:7"
  • Overall Length: 21.5" folded / 30.5" extended
  • Weight: 3.48 lbs
  • Stock: Side-Folding Synthetic
  • Sights: Adjustable Iron
  • Receiver Finish: Green
  • Barrel Finish: Black

What’s Included

  • KelTec R50 5.7x28mm carbine
  • Two 50-round magazines
  • Owner's manual

Frequently Asked Questions

What magazines does the KelTec R50 use?

The R50 feeds from FN P90 style 50-round magazines that sit horizontally along the top of the receiver. Two 50-round mags ship with the rifle, and aftermarket P90 pattern magazines work as well, so spares are easy to find.

How compact is the R50 with the stock folded?

Folded, the R50 measures just 21.5 inches, and the stock rests neatly along either side of the grip. Extended, it comes out to 30.5 inches. At 3.48 pounds unloaded, it stows in a backpack or small case without any fuss.

Can I mount an optic on the KelTec R50?

Yes, the receiver gives you over 7 inches of Picatinny rail on top, which is plenty of room for a red dot, magnifier, or even a compact scope. It also ships with adjustable iron sights, and there are 2 inches of rail underneath for a light or grip accessory.

Is the R50 barrel threaded for muzzle devices?

It is. The 16.1 inch barrel is threaded 1/2×28, which is a common pattern with plenty of compatible muzzle devices available. The 1:7 twist rate stabilizes typical 5.7x28mm loads well.

Additional information

UPC

640832009309

Manufacturer

Manufacturer Part Number

R50GRN

Action

Barrel Finish

Black

Barrel Length

16.1"

Caliber/Gauge

5.7 x 28 mm

Capacity

50 + 1

Product Type

Carbine

Safety

Ambidextrous

Sights

Adj Iron

Thread Pattern

1/2"x28

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