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5.56x45 FN

FN is a globally recognized leader in firearms innovation, established in 1889 in Herstal, Belgium, to manufacture 150,000 Mauser rifles for the Belgian government. Today, FN offers a comprehensive selection of firearms and accessories, including semi auto pistols, rifles, mags & drums, and centerfire handgun ammo. FN’s portfolio features advanced platforms like the FN 509® Series and SCAR® rifles, trusted for their reliability and performance in both military and civilian applications. For those seeking specific calibers, shop FN’s popular 9mm and 5.7x28 handguns, known for their precision and innovation. With a legacy of partnering with legendary designers and a commitment to continuous improvement, FN remains at the forefront of firearm technology. Browse FN products to experience proven performance and engineering excellence.

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23 Product(s)
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FN 38101882 Scar 15P 30+1 7.50" Black Steel Barrel, Black Anodized Picatinny Rail Aluminum Receiver, SB Tactical Brace, Ambidextrous

FN 38101882 Scar 15P 30+1 7.50" Black Steel Barrel, Black Anodized Picatinny Rail Aluminum Receiver, SB Tactical Brace, Ambidextrous

$3109 87
In Stock
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FN 56471 M249/M249S 200rd Black Polymer, 500 M27 Links Included

FN 56471 M249/M249S 200rd Black Polymer, 500 M27 Links Included

$90 00
In Stock
FN 36100632 FN15 TAC3 Carbine 16" 30rd M-LOK Black

FN 36100632 FN15 TAC3 Carbine 16" 30rd M-LOK Black

$1699 00
In Stock
Only 3 Left!
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FN 38101241 Scar 15P 30+1 7.50" Chrome-Lined Barrel, Flat Dark Earth, A2 Polymer Grip, Picatinny Stock Adapter, 3 Prong Flash Hider

FN 38101241 Scar 15P 30+1 7.50" Chrome-Lined Barrel, Flat Dark Earth, A2 Polymer Grip, Picatinny Stock Adapter, 3 Prong Flash Hider

$3299 99
In Stock
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FN 36100683 FN 15 DMR3 5.56x45mm NATO 18" Barrel 30+1, Tungsten Gray Receiver , Black OEM Stock & Grip , Optics Ready

FN 36100683 FN 15 DMR3 5.56x45mm NATO 18" Barrel 30+1, Tungsten Gray Receiver , Black OEM Stock & Grip , Optics Ready

$2209 00
In Stock
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FN 46-100171 M249S Para 16.1" 30/200 ADJ. Stock Black

FN 46-100171 M249S Para 16.1" 30/200 ADJ. Stock Black

$10799 00
In Stock
FN 46-100172 M249S Para 18.5" 30/200 ADJ. Stock FDE

FN 46-100172 M249S Para 18.5" 30/200 ADJ. Stock FDE

$10799 00
In Stock
Only 1 Left!
FN M249S Standard Rifle 5.56x45mm 30rd Mag 18.5" Barrel FDE

FN M249S Standard Rifle 5.56x45mm 30rd Mag 18.5" Barrel FDE

Out of Stock
FN 38101883 Scar 15P 30+1 7.50" Black Steel Barrel, Flat Dark Earth Anodized Picatinny Rail Aluminum Receiver, SB Tactical Brace, Ambidextrous

FN 38101883 Scar 15P 30+1 7.50" Black Steel Barrel, Flat Dark Earth Anodized Picatinny Rail Aluminum Receiver, SB Tactical Brace, Ambidextrous

Out of Stock
FN 20100822 FN15 Military Collector M16 Stripped Lower Receiver Black

FN 20100822 FN15 Military Collector M16 Stripped Lower Receiver Black

Out of Stock
FN SCAR 16S NRCH Semi-Automatic 5.56x45mm Rifle, 16.25" Barrel, 30+1 Capacity, Non-Reciprocating Charging Handle - Woodland Camo Finish - 38-101699-01

FN SCAR 16S NRCH Semi-Automatic 5.56x45mm Rifle, 16.25" Barrel, 30+1 Capacity, Non-Reciprocating Charging Handle - Woodland Camo Finish - 38-101699-01

Out of Stock
FN 38101245 Scar 15P 10+1 7.50" Chrome-Lined Barrel, Flat Dark Earth, A2 Polymer Grip, Picatinny Stock Adapter, 3 Prong Flash Hider

FN 38101245 Scar 15P 10+1 7.50" Chrome-Lined Barrel, Flat Dark Earth, A2 Polymer Grip, Picatinny Stock Adapter, 3 Prong Flash Hider

Out of Stock
FN 36100676 FN 15 DMR3 5.56x45mm NATO 18" Barrel 30+1, FDE Cerakote Receiver , Black OEM Stock & Grip ,Optic Ready

FN 36100676 FN 15 DMR3 5.56x45mm NATO 18" Barrel 30+1, FDE Cerakote Receiver , Black OEM Stock & Grip ,Optic Ready

Out of Stock
FN 36100669 FN 15 DMR3 5.56x45mm NATO 18" Barrel 30+1, Black Anodized Receiver, Black OEM Stock & Grip , Optics Ready

FN 36100669 FN 15 DMR3 5.56x45mm NATO 18" Barrel 30+1, Black Anodized Receiver, Black OEM Stock & Grip , Optics Ready
Out of Stock
FN 15 Semi Automatic Carbine 16" Barrel .223/5.56 , With One (1) 30 Round Magazine -15" MLOK handguard- SRP G2 - 36-100608

FN 15 Semi Automatic Carbine 16" Barrel .223/5.56 , With One (1) 30 Round Magazine -15" MLOK handguard- SRP G2 - 36-100608
Out of Stock
FN M249S Standard Rifle 5.56x45mm 30rd Mag 18.5" Barrel Black

FN M249S Standard Rifle 5.56x45mm 30rd Mag 18.5" Barrel Black

Out of Stock
FN 36100652 FN15 TAC3 Carbine 16" 30rd M-LOK Gray

FN 36100652 FN15 TAC3 Carbine 16" 30rd M-LOK Gray

Out of Stock
FN 36100642 FN15 TAC3 Carbine 16" 30rd M-LOK FDE

FN 36100642 FN15 TAC3 Carbine 16" 30rd M-LOK FDE

Out of Stock
FN 36100658 FN15 TAC3 Duty Carbine 16" 30rd M-LOK Black

FN 36100658 FN15 TAC3 Duty Carbine 16" 30rd M-LOK Black

Out of Stock
FN 98621-2 Scar 16S NRCH 16.2" 10rd Black

FN 98621-2 Scar 16S NRCH 16.2" 10rd Black

Out of Stock
FN 98521-2 Scar 16S NRCH 16.2" 30rd Black

FN 98521-2 Scar 16S NRCH 16.2" 30rd Black

Out of Stock
FN SCAR 16S NRCH Rifle 5.56x45mm 10rd Mag 16.25" Barrel FDE

FN SCAR 16S NRCH Rifle 5.56x45mm 10rd Mag 16.25" Barrel FDE

Out of Stock
FN Herstal SCAR 16S Semi-Automatic 5.56x45mm Rifle with Non-Reciprocation Charging Handle, 16.2" Barrel, (1) 30 Round Magazine - FDE - 98501-2

FN Herstal SCAR 16S Semi-Automatic 5.56x45mm Rifle with Non-Reciprocation Charging Handle, 16.2" Barrel, (1) 30 Round Magazine - FDE - 98501-2
Out of Stock
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