FN 15 Military Collector M4

Civilian semi-auto FN Military Collector M4 with UID-labeled receiver, RAS handguard, ambi safety, and 14.7-inch barrel pinned and welded to 16.0 inches overall with an A2-style compensator.

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Key Highlights

•Made on FN's M4A1 prime-contract production line (FN holds the U.S. military M4A1 contract since 2013)
•UID-labeled lower receiver and ambidextrous selector match the issued M4A1
•14.7" barrel pinned and welded to 16.0" overall with an A2-style compensator

Specifications

Price: $1,749
Weight: 6 lb 10 oz
Calibers: 5.56x45mm
Rail Type: picatinny
Best For: duty patrol home defense outdoor defense

Capability Profile

0-10 Scale Across 8 Axes

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Where to Buy

Compare current prices and availability from retailers we work with.

RetailerPriceAvailabilityUpdatedShop

KYGUNCOBest available

FN AMERICA FN 15 M4 Military Collector 5.56 NATO 16" 30rd Semi-Auto AR15 Rifle - Black

$1791.99

In stock

1d ago

View offer

Compatibility Tags

family: modern-riflefamily: ar-patterntrigger: ar-fcginterface: picatinny-topbarrel: longmag-type: stanag

Overview

The FN 15 Military Collector M4 is FN America's semi-automatic collector-oriented M4-pattern rifle. The official addendum anchors it to a 14.7-inch barrel pinned and welded to 16.0 inches overall with an A2-style compensator, carbine-length direct gas system, 1:7 twist, 4140 alloy steel button-rifled chrome-plated barrel, RAS handguard with covers, UID-labeled receiver, ambidextrous selector, and A2-style sights. It is the right row for buyers who specifically want the FN Military Collector configuration, but the pinned-and-welded compensator and quad rail make it less flexible than modern free-float M-LOK duty rifles.

Key Features

Built on FN's U.S. military M4A1 prime-contract production line
14.7" barrel pinned and welded to 16.0" overall, 1:7 twist
A2-style compensator pinned and welded (14.7" barrel, 16.0" overall length)
UID-labeled hard-anodized 7075-T6 aluminum flat-top receiver
RAS quad rail with rail covers, MIL-STD-1913 at 12 o'clock
Ambidextrous safety selector (matches issued M4A1)
A2 fixed front sight base, adjustable A2-style rear sight
Mil-spec single-stage trigger, A2 pistol grip, six-position collapsible stock

Pros

+Genuine FN M4A1 production-line pedigree (current military prime contractor)
+UID-labeled lower and ambi selector match the issued military rifle
+Chrome-plated 4140 alloy steel barrel built around the Military Collector spec
+KAC M4RAS Adapter is the actual rail used on the deployed M4A1
+Lighter than the LE6920 at 6.6 lbs unloaded

Cons

−Pinned and welded A2 compensator rules out muzzle device swaps and most suppressor mounts
−Quad rail is heavier and less modular than M-LOK free-floats at this price
−A2 front sight base limits free-float rail upgrade paths
−MSRP $1,749 is well above generic mil-spec clones with similar features
−No factory free-float rail option in this configuration

Detailed Specifications

caliber: 5.56 NATO
Barrel Length: 14.7 inches (16 inches with pinned-and-welded A2 compensator)
Overall Length: 30.75 inches collapsed, 34 inches extended
weight: 6.6 lbs
Gas System: Carbine-length direct impingement
Twist Rate: 1:7 right-hand
barrel: 4140 alloy steel, button-rifled, chrome plated
Muzzle Device: A2-style compensator, pinned and welded
handguard: Rail Adapter System (RAS) with covers
stock: Six-position collapsible stock
trigger: Mil-spec single-stage, 4.75-7.75 lbs
sights: A2-style F-height front sight, backup rear sight
magazineCapacity: 30 rounds
sku: 36318 / 36318-01 / 36318-02
msrp: $1,749