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FN America AR-15 Hammer Forged 20 Inch Barrel Rifle Length Gas System 5.56mm NATO 36424

FN America AR-15 Hammer Forged 20 Inch Barrel Rifle Length Gas System 5.56mm NATO
FN America AR-15 Hammer Forged 20 Inch Barrel Rifle Length Gas System 5.56mm NATO
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FN America AR-15 Hammer Forged 20 Inch Barrel Rifle Length Gas System 5.56mm NATO

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Questions & Answers
What twist rate does this barrel have? Expert Answer

The FN America AR-15 Hammer Forged 20 Inch Barrel Rifle Length Gas System 5.56mm NATO has a 1:7 twist rate.

by Hunter, Gear Expert, November 8, 2022
How much does this barrel weigh? Expert Answer

The weight of this AR-15 Hammer Forged 20 Inch Barrel is not provided by the manufacturer. I'd recommend contacting FN directly for more information.

by Ethan, Gear Expert, June 21, 2022
View All Q&A You Have a Question? Ask!
Caliber:
.223 Remington, 5.56x45mm NATO
Barrel Length:
20 in
Additional Features:
Rifle Length Gas System
Condition:
New

Code: 57D-ATB-36424-EE

MPN: 36424

UPC: 845737005153

Product No Longer Available

Product Info for FN America AR-15 Hammer Forged 20 Inch Barrel Rifle Length Gas System 5.56mm NATO 36424

The FN America AR15 Hammer Forged 20 Inch Barrel Rifle Length Gas System 5.56mm NATO 36424 is a great way to make sure you have a top of the line barrel that won't let you down when you need it most. This Rifle Barrel from FN America is made with a Chrome Lined Chamber and Bore that will make sure that you have a long lasting and reliable barrel that won't let you down when you need it most. The FN CMV 20 Inch AR-15 Barrel Rifle Length Gas System 5.56mm NATO has been hammer forged from proprietary Chrome Moly Venadium (CMV) steel that is supposed to be able to handle the punishment of full-auto fire. This FN barrel has been magnetic particle tested to ensure each barrel is free of microstresses and/or cracks. For a great way to make sure you are shooting with the best possible barrel for any of your needs, choose the FN America AR-15 Hammer Forged 20 Inch Barrel Rifle Length Gas System 5.56mm NATO.image

Specifications for FNH USA AR-15 Hammer Forged 20 Inch Barrel Rifle Length Gas System 5.56mm NATO 36424:

Mfg Item Num:  36424
Type:  BARRELS - RIFLE
Barrel Length:  20
Caliber:  5.56mm NATO
Caliber-Gauge:  .223 REM.
Model Header:  Rifle Length Gas System
Master Model Header:  AR-15 Hammer Forged Barrels

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Image of FN 509 Compact 9mm Compensated Pistol Barrel Kit 2 models FN 509 Compact 9mm Compensated Pistol Barrel Kit List: $349.00 (Save $20.00) $329.00
Image of FN America 510 Compensator Kit 2 models FN America 510 Compensator Kit List: $415.99 (Save Up to 17%) $349.00
Image of FN America 545 Compensator Kit 2 models FN America 545 Compensator Kit (1) List: $379.00 (Save Up to 17%) $349.00
Image of FN America Ar15 Barrel, 16inch Hf M4 5.56 Carbine FN America Ar15 Barrel, 16inch Hf M4 5.56 Carbine $349.00
Image of FN America Ar15 Barrel, 16inch Hf M4 5.56 Carbine FN America Ar15 Barrel, 16inch Hf M4 5.56 Carbine $349.00
Image of FN America Ar15 Barrel, 16inch Hf M4 5.56 Carbine FN America Ar15 Barrel, 16inch Hf M4 5.56 Carbine $349.00
Image of FN America Ar15 Barrel, 16inch Hf M4 5.56 Carbine FN America Ar15 Barrel, 16inch Hf M4 5.56 Carbine $349.00
Image of FN America Ar15 Barrel, 16inch Hf M4 5.56 Carbine FN America Ar15 Barrel, 16inch Hf M4 5.56 Carbine $349.00
Image of FN America Ar15 Midlength Barrel FN America Ar15 Midlength Barrel List: $299.00 (Save $20.00) $279.00
Image of FN America Ar15 Midlength Barrel FN America Ar15 Midlength Barrel List: $299.00 (Save $20.00) $279.00
Image of FN America Ar15 Midlength Barrel FN America Ar15 Midlength Barrel List: $299.00 (Save $20.00) $279.00
Image of FN America Ar15 Midlength Barrel FN America Ar15 Midlength Barrel List: $299.00 (Save $20.00) $279.00
Image of FN America Ar15 Midlength Barrel FN America Ar15 Midlength Barrel List: $299.00 (Save $20.00) $279.00
Image of FN America Ar15 Barrel, 14.7inch Bb M4 5.56 Carbine FN America Ar15 Barrel, 14.7inch Bb M4 5.56 Carbine List: $299.00 (Save $20.00) $279.00
Image of FN America Ar15 Barrel, 14.7inch Bb M4 5.56 Carbine FN America Ar15 Barrel, 14.7inch Bb M4 5.56 Carbine List: $299.00 (Save $20.00) $279.00
Image of FN America Ar15 Barrel, 14.7inch Bb M4 5.56 Carbine FN America Ar15 Barrel, 14.7inch Bb M4 5.56 Carbine List: $299.00 (Save $20.00) $279.00
Image of FN America Ar15 Barrel, 14.7inch Bb M4 5.56 Carbine FN America Ar15 Barrel, 14.7inch Bb M4 5.56 Carbine List: $299.00 (Save $20.00) $279.00
Image of FN America Ar15 Barrel, 14.7inch Bb M4 5.56 Carbine FN America Ar15 Barrel, 14.7inch Bb M4 5.56 Carbine List: $299.00 (Save $20.00) $279.00
Image of FN America AR-15 Hammer Forged 16 Inch Barrel Mid- Length Gas System 5.56mm NATO 36422 FN America AR-15 Hammer Forged 16 Inch Barrel Mid- Length Gas System 5.56mm NATO 36422 (1) List: $399.00 (Save 13%) $349.00

FN America AR-15 Hammer Forged 20 Inch Barrel Rifle Length Gas System 5.56mm NATO 36424 Unavailable & Discontinued Models

List of Unorderable Models

  • FN America AR-15 Hammer Forged 20 Inch Barrel Rifle Length Gas System 5.56mm NATO , MPN: 36424 , UPC: 845737005153 , Code: 57D-ATB-36424-EE
  • DEMO, FN America AR-15 Hammer Forged 20 Inch Barrel Rifle Length Gas System 5.56mm NATO , MPN: 36424-DEMO , Code: 57D-ATB-36424-DEMO
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Last updated 2026-08-18 UTC.