5.56x45mm FN Herstal Guns for Sale

Price History
5.56x45mm
FN Herstal
FN 15 Guardian 5.56 NATO / .223 Rem 16" Barrel 30 Round
New
UPC 845737016982
$699.99 Fin Feather Fur Outfitters ★★★★★ (10,502)
FN 15 GUARDIAN 5.56 16 30RD BLK
New
UPC 845737016982 Free Shipping
$704.99 Cummings Family Firearms ★★★★★ (52)

5.56x45mm FN Herstal Guns Price Graph

Today's 5.56x45mm FN Herstal Guns average is $1,248.48, 22% below the 180-day average of $1,596.01. Over the last 180 days, the average peaked at $2,212.97 on May 6, 2026 and bottomed at $1,211.31 on August 13, 2026.

FN 15 Guardian 5.56 16" 30rd AR Rifle
New
UPC 845737016982
$709.99 Good 4 Guns ★★★★★ (276)
FN 36100740 FN 15 Guardian 5.56x45mm NATO 30+1 16" Target Grade Barrel, Slick-Side Upper Receiver, 15" M-Lok Handguard, OEM 6 Position Stock & Grip
New
UPC 845737016982 CC Fee 3%
$719.99 Cornerstone Arms ★★★★★ (373)
FN 15 Guardian Rifle 5.56x45mm 30rd Magazine 16" Barrel Black
New
UPC 845737016982 CC Fee 6%
$726.15 All Things Firearm ★★★★★ (3)
FN15 GUARDIAN BLK, 1X30
New
UPC 845737016982 Shipping $20
$740.25 DK Gun & Dog ★★★★★ (56)
FN GUARDIAN 5.56MM 30RD - 16" BBL A2 FLASH HIDER BLACK
New
UPC 845737016982
$748.81 Ecommerce Arms
FN FN15 GUARDIAN 556 - RIFLE: FNH - FN HERSTAL FIREARMS MODEL FN15 GUARDIAN 556, SERIAL NUMBER FNCR022513, BLACK (MATTE), CASE NOT INCLUDED, SEMI - AUTOMATIC, 5.56, 16 Notes: Action Type: Semi-Automatic, Direct Impingement (DI) Caliber: 5.56x45mm NATO (Also safely fires ....
Used
Shipping $30
$749.99 Guns.com ★★★★★ (38,455)
FN15 Guardian AR Rifle 5.56 16"– Precision Redefined
New
UPC 845737016982 Free Shipping > $1,250
$752.56 Nadir Solutions ★★★★★ (18)
FN 15 Guardian 5.56 NATO 16" 30rd Black
New
UPC 845737016982
$757.88 Georgia Guns & Ammo ★★★★★ (2)

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FN GUARDIAN 5.56MM 30RD - 16" BBL A2 FLASH HIDER BLACK
New
UPC 845737016982 Free Shipping > $900 CC Fee 3% $10 Off Code CALIBERKING
$760.69 Armed in Michigan ★★★★★ (714)
FN GUARDIAN 5.56MM 30RD - 16" BBL A2 FLASH HIDER BLACK
New
UPC 845737016982 Free Shipping
$761.40 Ferrari Firearms
FN GUARDIAN 5.56MM 30RD - 16" BBL A2 FLASH HIDER BLACK
New
UPC 845737016982
$764.92 MCM Tactical ★★★★★ (60)
FN GUARDIAN 5.56MM 30RD - 16" BBL A2 FLASH HIDER BLACK
New
UPC 845737016982 Free Shipping
$767.87 Safe Haven Defense
FN15 GUARDIAN BLK, 1X30
New
UPC 845737016982
$770.49 De Leon RX & Sporting Goods ★★★★★ (216)
FN 15 Guardian 5.56x45mm 16" 30rd
New
UPC 845737016982 Free Shipping
$775.50 Axolotl Arms ★★★★★ (126)
FN 15 Guardian Rifle 5.56x45mm 30rd Magazine 16" Barrel Black
New
UPC 845737016982
$775.50 Vital Defense ★★★★★ (14)
FN GUARDIAN 5.56MM 30RD - 16" BBL A2 FLASH HIDER BLACK
New
UPC 845737016982
$779.99 Pathfinder Militaria ★★★★★ (106)
FN GUARDIAN 5.56MM 30RD - 16" BBL A2 FLASH HIDER BLACK
New
UPC 845737016982 Free Shipping
$782.55 Timber Hole Outdoors ★★★★★ (5)
FN GUARDIAN 5.56MM 30RD - 16" BBL A2 FLASH HIDER BLACK
New
UPC 845737016982
$783.81 Patriotic Firearms
FN 36100740 FN 15 Guardian 5.56x45mm NATO 30+1 16" Target Grade Barrel, Slick-Side Upper Receiver, 15" M-Lok Handguard, OEM 6 Position Stock & Grip
New
UPC 845737016982 Shipping $18
$789.60 Sharp's Shooting Supply ★★★★★ (34)
FN 15 Guardian Rifle 5.56x45mm 30rd Magazine 16" Barrel Black
New
UPC 845737016982 Shipping $16
$799.99 Riflenetics ★★★★★ (65)
FN 15 Guardian Rifle 5.56x45mm 30rd Magazine 16" Barrel Black
New
UPC 845737016982 Free Shipping
$801.99 Canoe Creek Armory ★★★★★ (17)
FN GUARDIAN 5.56MM 30RD - 16" BBL A2 FLASH HIDER BLACK
New
UPC 845737016982
$803.00 Birmingham Hill Armory ★★★★★ (16)
FN GUARDIAN 5.56MM 30RD - 16" BBL A2 FLASH HIDER BLACK
New
UPC 845737016982 Shipping $18
$810.75 Blackbox Ballistics ★★★★★ (2)
FN GUARDIAN 5.56MM 30RD - 16" BBL A2 FLASH HIDER BLACK
New
UPC 845737016982 Shipping $20 Free Shipping > $1,000
$810.75 Life2A ★★★★★ (3)
FN 15 GUARDIAN 5.56 16 30RD BLK
New
UPC 845737016982 Free Shipping > $1,000 CC Fee 3%
$810.75 Bunker Hill Ballistics ★★★★★ (9)
FN GUARDIAN 5.56MM 30RD - 16" BBL A2 FLASH HIDER BLACK
New
UPC 845737016982
$810.75 Allied Arms ★★★★★ (310)
FN GUARDIAN 5.56MM 30RD - 16" BBL A2 FLASH HIDER BLACK
New
UPC 845737016982
$821.99 Precision Gunworks
FN15 GUARDIAN 5.56MM 16" 30+1
New
UPC 845737016982
$825.00 Highland Arms ★★★★★ (49)
FN 15 GUARDIAN 5.56 16 30RD BLK
New
UPC 845737016982
$831.90 Tungsten Creek Tactical
FN GUARDIAN 5.56MM 30RD - 16" BBL A2 FLASH HIDER BLACK
New
UPC 845737016982
$835.00 EK Tactical ★★★★★ (10)
FN 15 GUARDIAN 5.56 16 30RD BLK
New
UPC 845737016982 Free Shipping
$837.00 Garrison's Guns ★★★★★ (21)
FN 36100740 FN 15 Guardian 5.56x45mm NATO 30+1 16" Target Grade Barrel, Slick-Side Upper Receiver, 15" M-Lok Handguard, OEM 6 Position Stock & Grip
New
UPC 845737016982 Free Shipping
$837.47 Lightning Strike Arms ★★★★★ (32)
FN GUARDIAN 5.56MM 30RD - 16" BBL A2 FLASH HIDER BLACK
New
UPC 845737016982 Shipping $25 $25 Off Orders Over $200 Code LOCKNLOAD25
$842.08 Scottsodg.com
FN FN 15 GUARDIAN 5.56X45MM 16'' BBL (1)30 ROUND BLACK
New
UPC 845737016982 Free Shipping
$845.99 BuyAGun ★★★★★ (3)
FN 15 GUARDIAN 5.56 16 30RD BLK
New
UPC 845737016982 Free Shipping
$846.00 Kinetic Armory ★★★★★ (3)
FN GUARDIAN 5.56MM 30RD - 16" BBL A2 FLASH HIDER BLACK
New
UPC 845737016982
$846.00 Firearms Express
FN America FN 15 Guardian 845737016982 5.56 mm NATO
New
UPC 845737016982
$848.99 C-ME Firearms
FN15 GUARDIAN 5.56MM 16" 30+1
New
UPC 845737016982
$854.99 WTW Arms ★★★★★ (68)
FN15 GUARDIAN 5.56MM 16" 30+1
New
UPC 845737016982 Free Shipping
$859.99 Timberlake Firearms ★★★★★ (11)
FN15 GUARDIAN 5.56MM 16" 30+1
New
UPC 845737016982
$866.57 Utah Fast ★★★★★ (101)
FN GUARDIAN 5.56MM 30RD - 16" BBL A2 FLASH HIDER BLACK
New
UPC 845737016982 Free Shipping
$874.10 Conkey's Outdoors ★★★★★ (175)
FN 15 GUARDIAN 5.56 16 30RD BLK
New
UPC 845737016982
$908.99 Coastal Firearms
FNM FN15 GUARDIAN 5.56 16 30R
New
UPC 845737016982
$909.99 Apocalypse Outfitters ★★★★★ (4)
FN15 GUARDIAN 5.56MM 16" 30+1
New
UPC 845737016982 Free Shipping
$910.56 Freedom Firearms ★★★★★ (2)
FN 15 Guardian 5.56x45mm NATO 16 in 30 Rounds M-LOK Handguard Nitride Finish
New
UPC 845737016982 Free Shipping
$949.00 Shooting Surplus ★★★★★ (193)
FN 36-100740 Guardian AR-15 30rd 16" Barrel, 15" M-LOK Handguard, A2 Flash Hider, Black
New
UPC 845737016982 Shipping $18
$949.00 Classic Firearms ★★★★★ (2,454)
FN FN 15 - Product Description; The FN 15(R) Tactical II FDE/BLK is the latest evolution the FN 15 family of carbines. Improving upon the existing platform with the addition of FN's Rail System, enhanced MIL-SPEC lower receiver and legendary match-grade free floating, chr...
Used
Shipping $44
$1,099.99 Guns.com ★★★★★ (38,455)
FN FN-15 SRP G2 556 NATO 16" Barrel AR-15 FN15 MLok 36-100558
New
UPC 845737011437
$1,199.00 GunPrime ★★★★★ (2,495)
FN 15 GUARDIAN - Preowned - FN 15 Guardian chambered in 5.56. Comes w/ a Vortex Strike Eagle 1-8x
Used
UPC 845737016982 Shipping $48
$1,199.99 Guns.com ★★★★★ (38,455)
FN FN15 - For sale is an FN FN15 semi-automatic multi-cal rifle with a free-floated Midwest Industries M-Lok handguard . The rifle has some light scratches, as shown in the photos, and a blemish on the right side of the lower receiver. This firearm is capable of shooting ...
Used
Shipping $48
$1,199.99 Guns.com ★★★★★ (38,455)
FN FN15 5.56 - The FN15 by FN America delivers superior performance in a reliable and durable rifle platform. It comes chambered in 5.56 NATO with a 16 inch barrel. Features include flip-up rear sight, an adjustable stock, an M-LOK handguard, and a 30 round magazine. - CA...
New
UPC 845737011437 Shipping $20
$1,326.99 Guns.com ★★★★★ (38,455)
FN FN 15 SRP G2 (LE SURPLUS PACKAGE) - The FN 15(R) SRP G2 is streamlined, providing a multitude of MIL-SPEC configurations to meet and exceed your needs. The FN 15(R) SRP G2 offers a lightweight design with extended hand guard maximizing top rail space with multiple M-LOK...
New
UPC 845737014971 Shipping $20
$1,349.99 Guns.com ★★★★★ (38,455)
FN FN 15 SRP G2 - The FN 15(R) SRP G2 is streamlined, providing a multitude of MIL-SPEC configurations to meet and exceed your needs. The FN 15(R) SRP G2 offers a lightweight design with extended hand guard maximizing top rail space with multiple M-LOK slots and QD points ...
New
UPC 845737012885 Shipping $20
$1,359.99 Guns.com ★★★★★ (38,455)
FN FN15 - Manufacturer: FNHImporter: FNHModel: FN15Type: RifleAction Type: Semi-AutomaticCaliber / Gauge: 5.56 x 45 MM natoFinish: BlackBarrel Type: SingleGrip Type: SyntheticBarrel Length: 16"Magazine Capacity: 30-39Case Type: Case - HardMagazine Quantity: 2Condition: Use...
Used
Shipping $60
$1,499.99 Guns.com ★★★★★ (38,455)
FN FN 15 Military Collector M4 - Manufacturer: FNHImporter: FNHModel: FN 15 Military Collector M4Type: RifleAction Type: Semi-AutomaticCaliber / Gauge: 5.56 x 45 MM natoFinish: BlackBarrel Type: SingleGrip Type: PolymerBarrel Length: 16"Magazine Capacity: 30-39Magazine Qua...
Used
Shipping $60
$1,499.99 Guns.com ★★★★★ (38,455)
FN 15 TAC3 AR Rifle 5.56 NATO with M-LOK Handguard
New
UPC 845737013745
$1,499.99 Good 4 Guns ★★★★★ (276)
FN15 TAC3 CARBINE GRAY - !!! EMAIL FOR PRICE !!!
New
UPC 845737013745 Shipping $20
$1,563.45 DK Gun & Dog ★★★★★ (56)
FN FN15 TAC3 DUTY CARBINE - 5.56MM 16" 30RD M-LOK BLACK
New
UPC 845737013714
$1,577.00 Third Shift
FN FN15 M4 Military 5.56mm AR Rifle 16" 30rd
New
UPC 845737006211
$1,610.99 Good 4 Guns ★★★★★ (276)
FN FN15 Military Collector 5.56 NATO AR Rifle
New
UPC 845737005061
$1,610.99 Good 4 Guns ★★★★★ (276)
FN 36100652 FN 15 Tac3 5.56x45mm NATO 30+1 16" Chrome-Lined Barrel, Gray Anodized Rec/M-LOK Handguard, Black 6 Position Collapsible Stock, Optics Ready
New
UPC 845737013745
$1,621.00 CLB Guns ★★★★★ (45)
FN FN15 TAC3 5.56 16" 30RD GRAY
New
UPC 845737013745
$1,627.32 De Leon RX & Sporting Goods ★★★★★ (216)
FN FN15 TAC3 5.56 NATO 16in 30+1 Gray
New
UPC 845737013745 Free Shipping
$1,637.90 Axolotl Arms ★★★★★ (126)
FN FN15 16 SRP G2PH - The FN15 16 SRP G2PH is a semi-automatic 5.56 NATO rifle built for durability, adaptability, and precision. Its 16-inch hammer-forged barrel with a 1:7 twist rate offers excellent projectile stabilization, while the pinned low-profile gas block and mi...
New
UPC 845737017811 Shipping $20
$1,649.99 Guns.com ★★★★★ (38,455)
FN FN-15 DMR3 18" 5.56 Nato AR-15 DMR Geissele SSA-E SureFire CTN Radian
New
UPC 845737015350
$1,699.00 GunPrime ★★★★★ (2,495)
FN 36100652 FN 15 Tac3 5.56x45mm NATO 30+1 16" Chrome-Lined Barrel, Gray Anodized Rec/M-LOK Handguard, Black 6 Position Collapsible Stock, Optics Ready
New
UPC 845737013745
$1,705.92 Black Bayou Armory ★★★★★ (83)
FN15 MIL COLLECTOR M16 5.56MM
New
UPC 845737005061 Free Shipping
$1,726.92 Ferrari Firearms
FN 15 Military Collector M4 — 5.56 NATO, 30rd
New
UPC 845737006211 Free Shipping
$1,726.92 Ferrari Firearms
FN 36318 FN 15 M4 Military Collector 5.56x45mm NATO 16" Black Barrel / Receiver 30+1, Matte Black 6 Position Collapsible Stock, Black A2 Grip, Optics Ready
New
UPC 845737006211
$1,731.00 CLB Guns ★★★★★ (45)
FN 36320 FN 15 M16 Military Collector 5.56x45mm NATO 30+1 20" Black Button Broached Barrel, Black Picatinny Rail Aluminum Receiver, Matte Black Synthetic A2 Stock, Black A2 Grip, Ambidextrous
New
UPC 845737005061
$1,731.00 CLB Guns ★★★★★ (45)
FN 36318 FN 15 M4 Military Collector 5.56x45mm NATO 16" Black Barrel / Receiver 30+1, Matte Black 6 Position Collapsible Stock, Black A2 Grip, Optics Ready
New
UPC 845737006211
$1,746.24 Black Bayou Armory ★★★★★ (83)
FN 36320 FN 15 M16 Military Collector 5.56x45mm NATO 30+1 20" Black Button Broached Barrel, Black Picatinny Rail Aluminum Receiver, Matte Black Synthetic A2 Stock, Black A2 Grip, Ambidextrous
New
UPC 845737005061
$1,746.24 Black Bayou Armory ★★★★★ (83)
M16 Military Collector 5.56mm 1x30
New
UPC 845737005061
$1,747.54 De Leon RX & Sporting Goods ★★★★★ (216)
M4 Military Collector 5.56mm 1x30
New
UPC 845737006211
$1,747.54 De Leon RX & Sporting Goods ★★★★★ (216)
FN FN15 5.56 NATO 16in 30rd M4 Collector
New
UPC 845737006211 Free Shipping
$1,758.90 Axolotl Arms ★★★★★ (126)
FN FN15 5.56 NATO 20" 30rd M16 Military Collector
New
UPC 845737005061 Free Shipping
$1,758.90 Axolotl Arms ★★★★★ (126)
FN 15 TAC3 5.56 16 MLOK 6 POSITION TELE GRAY 30R
New
UPC 845737013745 Free Shipping
$1,777.00 Timber Hole Outdoors ★★★★★ (5)
FN 15 TAC3 5.56 16 MLOK 6 POSITION TELE GRAY 30R
New
UPC 845737013745 Free Shipping
$1,777.00 Garrison's Guns ★★★★★ (21)
FN 15 Tac3 5.56x45 NATO 16in 30 Rounds Gray Cerakote
New
UPC 845737013745 Free Shipping
$1,777.00 Shooting Surplus ★★★★★ (193)
FN15 TAC3 CARB 5.56MM GRY 30RD
New
UPC 845737013745 Free Shipping
$1,777.00 Kinetic Armory ★★★★★ (3)
FN 15 TAC3 Rifle 5.56x45mm 30rd Magazine 16" Barrel Grey
New
UPC 845737013745 Free Shipping
$1,777.00 Canoe Creek Armory ★★★★★ (17)
FN FN15 FN15 TAC3 5.56 RFL GRY
New
UPC 845737013745 Free Shipping
$1,777.00 Cummings Family Firearms ★★★★★ (52)
FN FN15 TAC3 CARBINE 5.56MM - 16" 30RD M-LOK GRAY
New
UPC 845737013745 Free Shipping
$1,777.00 Life2A ★★★★★ (3)
FNH FN15 TAC3 RIA 5.56 16IN BBL 30RD GREY DIRECT IMPINGEMENT
New
UPC 845737013745 Free Shipping
$1,777.00 Riddle Firearms
FN 15 TAC3 5.56 16 MLOK 6 POSITION TELE GRAY 30R
New
UPC 845737013745 Free Shipping CC Fee 3%
$1,777.00 Bunker Hill Ballistics ★★★★★ (9)
FN 36100652 FN 15 Tac3 5.56x45mm NATO 30+1 16" Chrome-Lined Barrel, Gray Anodized Rec/M-LOK Handguard, Black 6 Position Collapsible Stock, Optics Ready
New
UPC 845737013745 Free Shipping CC Fee 3% $10 Off Code CALIBERKING
$1,777.00 Armed in Michigan ★★★★★ (714)
FN 36100652 FN 15 Tac3 5.56x45mm NATO 30+1 16" Chrome-Lined Barrel, Gray Anodized Rec/M-LOK Handguard, Black 6 Position Collapsible Stock, Optics Ready
New
UPC 845737013745 Shipping $16
$1,777.00 Riflenetics ★★★★★ (65)
FN 15 TAC3 5.56 16 MLOK 6 POSITION TELE GRAY 30R
New
UPC 845737013745
$1,777.00 Tungsten Creek Tactical
FN 15 TAC3 5.56 16 MLOK 6 POSITION TELE GRAY 30R
New
UPC 845737013745
$1,777.00 2 If By Sea Tactical ★★★★★ (135)
FN15 TAC3 CARB 5.56MM GRY 30RD
New
UPC 845737013745
$1,777.00 Allied Arms ★★★★★ (310)
FN15 Tac3 Carbine 5.56 16" Mlok GRY 30rd
New
UPC 845737013745
$1,777.00 Armored Boar Gunworks ★★★★★ (53)
FN FN15 TAC3 CARBINE 5.56MM - 16" 30RD M-LOK GRAY
New
UPC 845737013745
$1,777.00 WTW Arms ★★★★★ (68)
FN FN15 TAC3 CARBINE 5.56MM - 16" 30RD M-LOK GRAY
New
UPC 845737013745
$1,777.00 Utah Fast ★★★★★ (101)
FN FN15 TAC3 CARBINE 5.56MM - 16" 30RD M-LOK GRAY
New
UPC 845737013745
$1,777.00 Highland Arms ★★★★★ (49)
FN FN15 TAC3 Carbine 5.56 NATO 16" 30rd Gray
New
UPC 845737013745
$1,777.00 Georgia Guns & Ammo ★★★★★ (2)
FNH FN-15 TAC3 Carbine 16" 5.56x45 AR-15 Rifle, Gray - 36-100652
New
UPC 845737013745
$1,777.99 Palmetto State Armory ★★★★★ (1,164)
FN FN15 FN15 TAC3 5.56 RFL GRY
New
UPC 845737013745 Free Shipping
$1,814.99 Timberlake Firearms ★★★★★ (11)
FN 15 M4 Military Collector Rifle 5.56 NATO 16" 30rd Black
New
UPC 845737006211 Shipping $10
$1,819.00 Alexander's Store ★★★★★ (1,532)

5.56x45mm FN Herstal Guns Price Graph

Today's 5.56x45mm FN Herstal Guns average is $1,248.48, 22% below the 180-day average of $1,596.01. Over the last 180 days, the average peaked at $2,212.97 on May 6, 2026 and bottomed at $1,211.31 on August 13, 2026.

Daily Deals Email

Products at their 90-day low price.

Unsubscribe anytime with one click.

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