FN M249S Para 5.56 NATO Belt-Fed Rifle 16.1″ Telescoping Stock (Military Collector Series)

FN M249S Para 5.56 NATO Belt-Fed Rifle — 16.1″ Barrel, Telescoping Stock, Military Collector Series

The FN M249S Para represents one of the most iconic and sought-after firearms available to civilian collectors today. Built by FN — the original manufacturer responsible for supplying the United States military with the M249 Squad Automatic Weapon — the M249S delivers an authentic, semi-automatic-only version of one of the most recognizable modern military firearms ever fielded. This example is new in box.

Why You’ll Love This FN M249S Para

• Genuine FN manufacturing as part of FN’s Military Collector Series, not an imitation platform
• Authentic belt-fed operating system — feeds from linked ammunition belts or standard STANAG magazines
• 16.1″ cold hammer forged barrel with removable heat shield and fast 1:7″ twist
• Rotating telescoping stock with hydraulic buffer shortens the rifle by roughly 8″ for storage and transport
• Semi-automatic only — legally a Title I rifle, not an NFA-regulated firearm

History and Platform

As part of FN’s prestigious Military Collector Series, the M249S Para isn’t simply a rifle inspired by military design — it’s a faithful civilian adaptation built using the same engineering philosophy, operating characteristics, and overall appearance as the currently contracted FN M249 PARA. The PARA configuration was originally developed for airborne units, armored infantry, and close-quarters combat operations where a more compact weapon system was required without sacrificing capability. For collectors, military enthusiasts, and serious firearms aficionados, few rifles command the same attention as a genuine FN M249.

Features Explained

Belt-Fed Operating System: While most civilian rifles feed exclusively from detachable box magazines, the M249 platform offers the unique ability to feed from ammunition belts containing up to 200 linked rounds, creating an ownership experience unlike virtually anything else available on today’s commercial market. It’s important to note this is a semi-automatic-only civilian rifle — the belt-fed system replicates the military platform’s feeding mechanism, but the M249S fires one round per trigger pull and is not select-fire or automatic.

Barrel: The cold hammer forged 16.1″ barrel is engineered for durability and precision while featuring a removable heat shield that mirrors the military configuration. The 1:7″ twist rate allows excellent stabilization of a wide range of modern 5.56 NATO projectiles.

Telescoping Stock: The rotating telescoping stock incorporates a hydraulic buffer and non-slip buttplate, providing both compact storage and enhanced shooting comfort. The stock locks securely into position while allowing the rifle to be shortened by approximately eight inches compared to the standard fixed-stock configuration.

Bipod, Carry Handle, and Sights: An integral bipod is included for stable supported shooting, whether on the range or displayed as part of a military collection. The classic carry handle synonymous with the M249 platform is another authentic detail collectors appreciate. The sighting system consists of fully adjustable iron sights complemented by an integrated Picatinny optics rail, allowing owners to mount modern optics while preserving the rifle’s military functionality.

Trigger and Safety: The trigger uses a wide, smooth curved shoe with an approximate six-pound pull, while the oversized crossbolt safety is designed for intuitive thumb activation — faithful to the military design while providing dependable operation in a civilian semi-automatic platform.

Specifications

Included With This Firearm

This listing includes the FN M249S Para rifle, integral bipod, carry handle, and one 30-round magazine, new in box.

Best For

The FN M249S Para suits military collectors and history-focused enthusiasts building an advanced collection, shooters who want an authentic belt-fed shooting experience unavailable in any other civilian platform, and buyers who specifically want genuine FN manufacturing rather than a look-alike or imitation build.

The Tar River Arms Take

Collectors understand that true military heritage firearms occupy a special place within the firearms community, and the FN M249S Para delivers exactly that: an authentic, FN-produced semi-automatic version of a firearm that has served alongside American forces for decades. The combination of genuine FN manufacturing, Military Collector Series authenticity, belt-fed capability, a hammer forged barrel, and the unmistakable M249 profile makes this one of the most impressive belt-fed rifle platforms available to civilian collectors — new in box, ready to display or shoot.

Why These Features Matter

Belt-fed capability matters because it fundamentally changes the ownership experience — instead of reloading detachable magazines, you’re running the same ammunition-belt system the military platform uses, which is simply not available on almost any other civilian rifle.

The removable heat shield matters because it protects the barrel from heat distortion during sustained strings of fire and mirrors the exact military configuration collectors look for in an authentic build.

The telescoping stock matters because shortening the rifle by roughly eight inches makes a platform this substantial meaningfully easier to store, transport, and maneuver, without giving up the M249’s core handling characteristics.

Shipping & FFL Information

As required by federal law, this firearm will ship to a licensed FFL for transfer. The buyer completes a Form 4473 and background check in person at the receiving FFL before taking possession. The FN M249S Para is a semi-automatic-only rifle and is not classified as an NFA item, so no additional tax stamp or ATF approval is required for this transfer.