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FM Products Foxtrot Mike Premium 41V50 5.56 AR Barrel

FM Products 10.5in 41V50 5.56 Barrel, 1-8 Twist, QPQ, 1/2-36 Thread Mid Length Gas, Black FM-556-10.5BRL
FM Products 16in 41V50 5.56 Barrel, 1-8 Twist, QPQ, 1/2-36 Thread Rifle Length Gas, Black FM-556-16BRL
FM Products 10.5in 41V50 5.56 Barrel, 1-8 Twist, QPQ, 1/2-36 Thread Mid Length Gas, Black FM-556-10.5BRL
1 of 2 images
FM Products 10.5in 41V50 5.56 Barrel, 1-8 Twist, QPQ, 1/2-36 Thread Mid Length Gas, Black FM-556-10.5BRL
FM Products 16in 41V50 5.56 Barrel, 1-8 Twist, QPQ, 1/2-36 Thread Rifle Length Gas, Black FM-556-16BRL
2 of 2 images
FM Products 16in 41V50 5.56 Barrel, 1-8 Twist, QPQ, 1/2-36 Thread Rifle Length Gas, Black FM-556-16BRL

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Questions & Answers
How much does 16” barrel weigh? Expert Answer

Unfortunately, FM does not publish this specification - you can reach Foxtrot Mike at

1-208-378-9770
Customer service inquiries: info@fm-products.com

Mark H.

by Mark H., Gear Expert, October 16, 2019
Does the 16" barrel use an m4 barrel extension? Expert Answer

Yes, these have M4 barrel extensions.

by Ethan C., Gear Expert, June 14, 2019
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Good barrels with just a few caveats by jv, Verified Owner, April 14, 2020
So I purchased both barrels because I'm the type that likes to tinker with setups that people say can't be done. The 16" rifle barrel I used for a "dissipator" Colt 605 clone. I want all my rifles to run any ammo available so at the least I get them ...
Read More...
2/2 found this helpful
Read 1 Review

Product No Longer Available

Unfortunately FM Products Foxtrot Mike Premium 41V50 5.56 AR Barrel is not listed by OpticsPlanet.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, Rifle Barrels, AR15 Barrels yourself to try and find the perfect replacement for you!

Product Info for FM Products Foxtrot Mike Premium 41V50 5.56 AR Barrel

FM Products Foxtrot Mike 5.56 Caliber Barrels are precision-machined from high-grade, 41V50 chrome-moly-vanadium steel alloy, and button-rifled for impressive accuracy and match-grade performance.Foxtrot Mike finishes each 5.56 barrel with a long-duration, deep-penetrating salt bath Nitride QPQ/Melonite finish for superb resistance to wear and corrosion. You can put a lot of rounds downrange because these barrels are built to handle rapid-fire shooting!image

Features of FM Products Foxtrot Mike Premium 41V50 5.56 AR Barrel:

  • 1-8" twist stabilizes all 55.6 bullet weights
  • Long duration
  • deep penetration Salt bath Nitride Melonite/QPQ finish gives lubricity and wear-resistance
  • Made from Ultra Premium true Match Grade blanks
  • 1/2-28 threaded muzzle ready for the comp/hider/brake/suppressor of your choice!
  • Offered in 16 and 10.5 lengths
  • made in specialized factories
  • Manufactured with ISO:9001 and AS:9100 quality certifications
  • Ultra Light Weight Profile
  • 10.5 uses a Mid Length Gas system
  • 16 uses a Rifle Length Gas system

Package Contents:

  • FM Products Foxtrot Mike Premium 41V50 5.56 AR Barrel

Ammunition

1–40 / 40
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On Sale
PMC Ammunition X-TAC Light Armor Piercing 5.56x45mm NATO 62 Grain Brass Cased Centerfire Rifle Ammunition
PMC Ammunition X-TAC Light Armor Piercing 5.56x45mm NATO 62 Grain Brass Cased Centerfire Rifle Ammunition
(103)
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$0.56/Round
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Hornady Frontier 5.56x45mm NATO 55 Grain Full Metal Jacket Brass Rifle Ammunition
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(41)
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$0.60 - $0.65/Round
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Hornady Frontier 5.56x45mm NATO 75 grain Boat Tail Hollow Point (BTHP) Brass Centerfire Rifle Ammunition
Hornady Frontier 5.56x45mm NATO 75 grain Boat Tail Hollow Point (BTHP) Brass Centerfire Rifle Ammunition
(26)
As Low As (Save Up to 33%)
$14.49
$0.72 - $0.98/Round
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Best Rated
Hornady BLACK 5.56x45mm NATO 75 Grain InterLock HD SBR Centerfire Rifle Ammunition
Hornady BLACK 5.56x45mm NATO 75 Grain InterLock HD SBR Centerfire Rifle Ammunition
(20)
As Low As (Save Up to 40%)
$21.79
$1.09 - $1.30/Round
See all 2 models
Blazin' Deal
Aguila Ammunition 5.56x45mm NATO Ammo 55 Grain Full Metal Jacket Brass Cased Rifle Ammunition
Aguila Ammunition 5.56x45mm NATO Ammo 55 Grain Full Metal Jacket Brass Cased Rifle Ammunition
(7)
As Low As (Save Up to 33%)
$17.99
$0.44 - $0.60/Round
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Freedom Munitions 5.56x45mm NATO 55 Grain Full Metal Jacket Brass Rifle Ammunition
Freedom Munitions 5.56x45mm NATO 55 Grain Full Metal Jacket Brass Rifle Ammunition
As Low As (Save Up to 24%)
$25.49
$0.51 - $0.58/Round
See all 2 models
Hornady Frontier 5.56x45mm NATO 62 Grain Full Metal Jacket Centerfire Rifle Ammunition
Hornady Frontier 5.56x45mm NATO 62 Grain Full Metal Jacket Centerfire Rifle Ammunition
(2)
As Low As (Save Up to 20%)
$14.69
$0.70 - $0.73/Round
See all 2 models
Best Rated
Hornady BLACK 5.56x45mm NATO 62 grain Full Metal Jacket Brass Cased Centerfire Rifle Ammo, 20 Rounds, 81263
Hornady BLACK 5.56x45mm NATO 62 grain Full Metal Jacket Brass Cased Centerfire Rifle Ammo, 20 Rounds, 81263
(7)
List: $24.99 (Save 27%)
$18.19
$0.91/Round
PMC 556M55BP Battle Pack 5.56 NATO 62 Gr Light Armor Piercing LAP
PMC 556M55BP Battle Pack 5.56 NATO 62 Gr Light Armor Piercing LAP
List: $89.00 (Save 15%)
$75.59
$0.63/Round
Best Rated
Hornady Superformance 5.56x45mm NATO 75 grain Boat-Tail Hollow Point Match Brass Cased Centerfire Rifle Ammo, 20 Rounds, 81264
Hornady Superformance 5.56x45mm NATO 75 grain Boat-Tail Hollow Point Match Brass Cased Centerfire Rifle Ammo, 20 Rounds, 81264
(8)
List: $41.40 (Save 38%)
$25.49
$1.27/Round
Magtech 5.56X45 M193 55 Grain Full Metal Jacket Brass Cased Rifle Ammo, 50 Rounds, 556A
Magtech 5.56X45 M193 55 Grain Full Metal Jacket Brass Cased Rifle Ammo, 50 Rounds, 556A
(1)
List: $32.49 (Save 20%)
$26.09
$0.52/Round
Best Rated
Barnes Vor-TxRifle Cartridges, 5.56x45mm NATO, TSX Boat Tail, 62 Grain, 20 - Rounds, *31190
Barnes Vor-TxRifle Cartridges, 5.56x45mm NATO, TSX Boat Tail, 62 Grain, 20 - Rounds, *31190
(10)
List: $37.79 (Save 16%)
$31.89
$1.59/Round
Fiocchi Range Dynamics 556 NATO 55 Grain FMJ Brass Cased Rifle Ammo, 50 Round, 556M193L
Fiocchi Range Dynamics 556 NATO 55 Grain FMJ Brass Cased Rifle Ammo, 50 Round, 556M193L
(2)
List: $34.99 (Save $3.20)
$31.79
$0.64/Round
Hornady Superfomance 5.56 Nato 55 Grain Copper Solid CX Brass Cased Centerfire Rifle Ammo, 20 Rounds, 812544
Hornady Superfomance 5.56 Nato 55 Grain Copper Solid CX Brass Cased Centerfire Rifle Ammo, 20 Rounds, 812544
(3)
List: $46.61 (Save 34%)
$30.89
$1.54/Round
PMC 556XBP Battle Pack 5.56 NATO 55 Gr Full Metal Jacket Boat Tail FMJBT
PMC 556XBP Battle Pack 5.56 NATO 55 Gr Full Metal Jacket Boat Tail FMJBT
List: $144.00 (Save 10%)
$129.59
$0.65/Round
Fort Scott Munitions 5.56 NATO Copper 62 Grain Centerfire Rifle Ammo, 20 Rounds, 556-062-SCV1
Fort Scott Munitions 5.56 NATO Copper 62 Grain Centerfire Rifle Ammo, 20 Rounds, 556-062-SCV1
(2)
List: $28.41 (Save 12%)
$24.89
$1.24/Round
PPU PPRM5561M 5.56X45 55 FMJBT RNGMSTR
PPU PPRM5561M 5.56X45 55 FMJBT RNGMSTR
List: $830.99 (Save 23%)
$640.29
$0.64/Round
G9 Defense 5.56mm 54 Grain Barrier Blind Hollow Point Brass Cased Pistol Ammo, 20 Rounds, B-556-54A
G9 Defense 5.56mm 54 Grain Barrier Blind Hollow Point Brass Cased Pistol Ammo, 20 Rounds, B-556-54A
(2)
List: $38.99 (Save 10%)
$35.09
$1.75/Round
Barnes Precision 5.56x45mm NATO 85 grain Burner Open Tip Match Boat Tail Centerfire Rifle Ammo, 20 Rounds, *30848
Barnes Precision 5.56x45mm NATO 85 grain Burner Open Tip Match Boat Tail Centerfire Rifle Ammo, 20 Rounds, *30848
(4)
List: $39.99 (Save 20%)
$31.89
$1.59/Round
Barnes Precision MatchRifle Cartridges, 5.56x45mm NATO, Match Burner Open Tip Match Boat Tail, 69 Grain, 20 - Rounds, *30846
Barnes Precision MatchRifle Cartridges, 5.56x45mm NATO, Match Burner Open Tip Match Boat Tail, 69 Grain, 20 - Rounds, *30846
List: $39.99 (Save 20%)
$31.89
$1.59/Round
Fort Scott Munitions .5.56 NATO 70 Grain CNC Machined Copper Brass Rifle Ammo, 20 Rounds, 556-070-SCV
Fort Scott Munitions .5.56 NATO 70 Grain CNC Machined Copper Brass Rifle Ammo, 20 Rounds, 556-070-SCV
List: $28.71 (Save $2.12)
$26.59
$1.33/Round
Fort Scott Munitions, 5.56x45mm NATO, 55 grain, Copper Solid, Brass, Centerfire Rifle Ammo, 20, 556-055-SCV
Fort Scott Munitions, 5.56x45mm NATO, 55 grain, Copper Solid, Brass, Centerfire Rifle Ammo, 20, 556-055-SCV
List: $28.32 (Save 14%)
$24.49
$1.22/Round
Final Sale
Ammo, Inc. 5.56x45mm NATO 55 Grain Full Metal Jacket Brass Cased Centerfire Rifle Ammo, 200 Round, Box, 556055FMJ-A200
Ammo, Inc. 5.56x45mm NATO 55 Grain Full Metal Jacket Brass Cased Centerfire Rifle Ammo, 200 Round, Box, 556055FMJ-A200
(1)
List: $147.62 (Save 17%)
$122.29
$0.61/Round
PMC Ammunition X-Tac 5.56x45mm NATO 55 Grain Full Metal Jacket Rifle Ammo, Metal Box, 840 Rounds, 1102741
PMC Ammunition X-Tac 5.56x45mm NATO 55 Grain Full Metal Jacket Rifle Ammo, Metal Box, 840 Rounds, 1102741
List: $632.49 (Save $44.90)
$587.59
$0.70/Each
Atomic Ammunition Atomic Ammo 5.56x45 500 Rounds 62gr. Hornady Fmj Bulk-pack
Atomic Ammunition Atomic Ammo 5.56x45 500 Rounds 62gr. Hornady Fmj Bulk-pack
List: $629.99 (Save 10%)
$564.39
$1.13/Round
Best Rated
PMC Ammunition X-TAC, 5.56x45mm NATO, 55 grain, Full Metal Jacket, Brass, Centerfire Rifle Ammo, 20, 556X
PMC Ammunition X-TAC, 5.56x45mm NATO, 55 grain, Full Metal Jacket, Brass, Centerfire Rifle Ammo, 20, 556X
(63)
List: $15.99 (Save 32%)
$10.89
$0.54/Round
Armscor Precision Inc .223 Remington/5.56x45mm NATO Blank Brass Cased Rifle Ammo, 20 Rounds, 50172PH-20RD
Armscor Precision Inc .223 Remington/5.56x45mm NATO Blank Brass Cased Rifle Ammo, 20 Rounds, 50172PH-20RD
(1)
List: $12.99 (Save 12%)
$11.39
$0.57/Round
Veteran Ammo Defense 5.56x45mm NATO 62 Grain Hollow Point Centerfire Pistol Ammo, 20 Rounds, HMBX-556-24
Veteran Ammo Defense 5.56x45mm NATO 62 Grain Hollow Point Centerfire Pistol Ammo, 20 Rounds, HMBX-556-24
List: $49.99 (Save 24%)
$37.79
$1.89/Round
Best Rated
Hornady Frontier 5.56x45mm NATO 68 grain Boat-Tail Hollow Point Brass Cased Centerfire Rifle Ammo, 20 Rounds, FR310
Hornady Frontier 5.56x45mm NATO 68 grain Boat-Tail Hollow Point Brass Cased Centerfire Rifle Ammo, 20 Rounds, FR310
(12)
List: $19.60 (Save 16%)
$16.49
$0.82/Round
Best Rated
Winchester USA 5.56x45mm NATO 55 grain Ball (M193) Full Metal Jacket Brass Centerfire Rifle Ammunition
Winchester USA 5.56x45mm NATO 55 grain Ball (M193) Full Metal Jacket Brass Centerfire Rifle Ammunition
(147)
As Low As (Save Up to 48%)
$11.99
$0.57 - $0.62/Round
See all 7 models
PPU 5.56x45mm NATO 0 grain Brass Cased Blank Ammo, 20 Rounds, PPB556
PPU 5.56x45mm NATO 0 grain Brass Cased Blank Ammo, 20 Rounds, PPB556
List: $22.49 (Save 33%)
$15.09
$0.75/Round
Veteran Ammo Defense 5.56x45mm NATO 62 Grain Full Metal Jacket Centerfire Pistol Ammo, 20 Rounds, HMBX-556-25
Veteran Ammo Defense 5.56x45mm NATO 62 Grain Full Metal Jacket Centerfire Pistol Ammo, 20 Rounds, HMBX-556-25
List: $49.99 (Save 23%)
$38.49
$1.92/Round
Best Rated
Winchester USA 5.56x45mm NATO 62 grain Green Tip M855 Full Metal Jacket Boat Tail FMJBT Brass Centerfire Rifle Ammunition
Winchester USA 5.56x45mm NATO 62 grain Green Tip M855 Full Metal Jacket Boat Tail FMJBT Brass Centerfire Rifle Ammunition
(132)
As Low As (Save Up to 10%)
$12.49
$0.62 - $0.65/Round
See all 7 models
Hornady Frontier 5.56x45mm NATO 55 Grain Hollow Point Centerfire Rifle Ammunition
Hornady Frontier 5.56x45mm NATO 55 Grain Hollow Point Centerfire Rifle Ammunition
(3)
As Low As (Save Up to 24%)
$32.29
$0.65 - $0.72/Round
See all 2 models
Best Rated
Barnes Vor-TxRifle Cartridges, 5.56x45mm NATO, TSX Boat Tail, 70 Grain, 20 - Rounds, *31191
Barnes Vor-TxRifle Cartridges, 5.56x45mm NATO, TSX Boat Tail, 70 Grain, 20 - Rounds, *31191
(14)
List: $40.99 (Save 11%)
$36.49
$1.82/Round
TR&Z PPRM556B Metric Rifle Rifle Line 5.56x45mm NATO 55 Gr Full Metal Jacket Boa
TR&Z PPRM556B Metric Rifle Rifle Line 5.56x45mm NATO 55 Gr Full Metal Jacket Boa
List: $776.09 (Save $72.50)
$703.59
$0.70/Round
Winchester Lake City 5.56 MM M855 FMJ WIN 62 GR 50 Green Tip 50-20RD Box 1000 rds tot, WM855K Case
Winchester Lake City 5.56 MM M855 FMJ WIN 62 GR 50 Green Tip 50-20RD Box 1000 rds tot, WM855K Case
List: $779.99 (Save $63.80)
$716.19
$0.72/Round
PMC Ammunition X-Tac Rifle Ammo 5.56 NATO 62 gr Green Tip 1000/ct, 5.56 M855 Case
PMC Ammunition X-Tac Rifle Ammo 5.56 NATO 62 gr Green Tip 1000/ct, 5.56 M855 Case
List: $697.99 (Save 12%)
$611.99
$0.61/Round
PMC Ammunition X-Tac Rifle Ammo 5.56x45mm 55 gr FMJBT 3120 fps 1000/Box, 5.56X Case
PMC Ammunition X-Tac Rifle Ammo 5.56x45mm 55 gr FMJBT 3120 fps 1000/Box, 5.56X Case
List: $683.99 (Save 13%)
$597.59
$0.60/Round
First Breach 5.56 NATO 55 Grain Full Metal Jacket Boattail New C220 Brass Cased Rifle Ammo, 1000 Rounds, 50009
First Breach 5.56 NATO 55 Grain Full Metal Jacket Boattail New C220 Brass Cased Rifle Ammo, 1000 Rounds, 50009
(1)
List: $612.29 (Save $43.50)
$568.79
$0.57/Round
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Ammo Boxes

1–6 / 6
Previous
Berrys 29682 405 Ammo Box 223 Rem,5.56x45mm NATO 50rd Smoke Lid W/Black Bottom
Berrys 29682 405 Ammo Box 223 Rem,5.56x45mm NATO 50rd Smoke Lid W/Black Bottom
(1)
List: $5.39 (Save 41%)
$3.19
Nanuk 908 Ammo Case, 12.5in, Black/White, Small, 908S-000BK-PA0-AMM01
Nanuk 908 Ammo Case, 12.5in, Black/White, Small, 908S-000BK-PA0-AMM01
List: $99.99 (Save 20%)
$79.95
Berrys 44661 405 Ammo Box 223 Rem,5.56x45mm NATO 50rd Blue Lid W/Black Bottom
Berrys 44661 405 Ammo Box 223 Rem,5.56x45mm NATO 50rd Blue Lid W/Black Bottom
List: $6.49 (Save 51%)
$3.19
MTM Ammo Rack w 4 RS-50-24 Ammo boxes, Dark Earth/Clear Blue, ARRS
MTM Ammo Rack w 4 RS-50-24 Ammo boxes, Dark Earth/Clear Blue, ARRS
(2)
List: $37.97 (Save $3.18)
$34.79
Berrys 86410 005 Ammo Box 223 Rem,5.56x45mm NATO 100rd Blue Lid W/Black Bottom
Berrys 86410 005 Ammo Box 223 Rem,5.56x45mm NATO 100rd Blue Lid W/Black Bottom
List: $6.99 (Save 21%)
$5.49
Berrys 11664 005 Ammo Box 223 Rem,5.56x45mm NATO 100rd Smoke Lid W/Black Bottom
Berrys 11664 005 Ammo Box 223 Rem,5.56x45mm NATO 100rd Smoke Lid W/Black Bottom
List: $6.99 (Save 21%)
$5.49
Next

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FM Products Foxtrot Mike Premium 41V50 5.56 AR Barrel Unavailable & Discontinued Models

List of Unorderable Models

  • FM Products 10.5in 41V50 5.56 Barrel, 1-8 Twist, QPQ, 1/2-36 Thread Mid Length Gas, Black, FM-556-10.5BRL , MPN: FM-556-10.5BRL , Code: 3JR-ATB-P556AB-FM-556-10-5BRL
  • FM Products 16in 41V50 5.56 Barrel, 1-8 Twist, QPQ, 1/2-36 Thread Rifle Length Gas, Black, FM-556-16BRL , MPN: FM-556-16BRL , UPC: 2791027 , Code: 3JR-ATB-P556AB-FM-556-16BRL
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