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Radical Firearms 16 in. 300 AAC Blackout Upper Assembly FU16-300HBAR-15FCR Caliber: .300 AAC Blackout, Barrel Length: 16 in, 31% Off w/ Free S&H

Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, Black, FU16-300HBAR-15FCR
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, w/o BCG and CH, Black, FU16-300HBAR-15FCR
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, Black, FU16-300HBAR-15FCR
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, w/o BCG and CH, Black, FU16-300HBAR-15FCR
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, w/o BCG and CH, Black, FU16-300HBAR-15FCR
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, w/o BCG and CH, Black, FU16-300HBAR-15FCR
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, w/o BCG and CH, Black, FU16-300HBAR-15FCR
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, Black, FU16-300HBAR-15FCR
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Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, Black, FU16-300HBAR-15FCR
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, w/o BCG and CH, Black, FU16-300HBAR-15FCR
2 of 7 images
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, w/o BCG and CH, Black, FU16-300HBAR-15FCR
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, Black, FU16-300HBAR-15FCR
3 of 7 images
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, Black, FU16-300HBAR-15FCR
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, w/o BCG and CH, Black, FU16-300HBAR-15FCR
4 of 7 images
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, w/o BCG and CH, Black, FU16-300HBAR-15FCR
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, w/o BCG and CH, Black, FU16-300HBAR-15FCR
5 of 7 images
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, w/o BCG and CH, Black, FU16-300HBAR-15FCR
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, w/o BCG and CH, Black, FU16-300HBAR-15FCR
6 of 7 images
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, w/o BCG and CH, Black, FU16-300HBAR-15FCR
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, w/o BCG and CH, Black, FU16-300HBAR-15FCR
7 of 7 images
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, w/o BCG and CH, Black, FU16-300HBAR-15FCR

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Questions & Answers
Is for a ar15 5.56 NATO Expert Answer

Yes, these will fit any mil-spec AR-15 lower receiver.

by Ethan C., Gear Expert, February 25, 2019
See 1 More Answer
Will the Bolt Carrier Group and Charging handle from my existing 5.56 ar work with this .300 blk upper? Expert Answer

Yes, they should work no problem as long as they are mil-spec, standard parts.

by Armando R., Gear Expert, December 12, 2018
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review Prefers 110gr or 123gr by coyote hunter 69, Verified Owner, October 13, 2018
Bought it for a .300 blk build. It took optics planet several months to deliver. I almost cancelled the order but the price was pretty good so I waited. It arrived well packaged. I shot several ammo brands, bullet weights and big supersonic and subso...
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8/8 found this helpful
Helpful Positive Review 300 blk 16 inch by calvinwai, Verified Owner, February 8, 2018
I love it and it is a budget upper with high quality build. It shot well with any grains weight. I put it on my different lower and it functions very well.free float hangguard is very light and high quilts too. The upper reliever is very smooth insid...
Read More...
1/1 found this helpful
Helpful Positive Review Happy, happy, happy! by Tony, December 14, 2017
Awesomeness is the only way to put it! My rifle build turned out great and looks sweet with this upper. I wasn't familiar with radical firearms except what I have seen on line and read. It was a good decision to buy this and I highly recommend! Thank...
Read More...
1/1 found this helpful
Helpful Positive Review Just what I was looking for by Amy, Verified Owner, March 7, 2018
Was looking for a new upper for my boyfriend when I came across this, everything I needed, good quality at a good price! It was supposed to be a birthday present but it came super fast so he got it a lot sooner. He loves it!
2/2 found this helpful
Helpful Positive Review Solid upper with a good barrel by Benjamin, March 29, 2018
This upper is really well built; it’s very solid, and the palmetto state lower I have fit it like a glove. It has a quad rail at the tip, and a really nice barrel. The diameter of the hand guard is large which makes it look really aggressive. I will ...
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1/1 found this helpful
Helpful Positive Review Great Inexpensive Upper! by HellRazor, November 13, 2018
Machine work and finish was clean, upper looks great. Mounted to my mil spec lower tightly. Shoots way better than I expected for the price. 50 yd sight in had 1 3/16 to 1 7/16 groups with cheap ammo. That should improve with better ammo and a solid ...
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2/2 found this helpful
Read All 29 Reviews
Caliber: .300 AAC Blackout Barrel Length: 16 inBarrel Profile: HBAR Gas System Length: Pistol Length Barrel Twist Rate: 1-8 Threads per Inch: 5/8x24 Handguard Type: Free-Float Muzzle Device: A2 Flash Hider Finish: Matte Color: Black Gun Model: AR-15 Condition: New Gas Block Journal Size-Diameter: .750 inHandguard Length: 15 inAdditional Features: Slim Rail System (FCR) Included Accessories: Standard

Code: 2CS-UFH-HP3-FU16-300HBAR-15FCR

MPN: FU16-300HBAR-15FCR

UPC: 816903025046

List: $309.95Save 31%
$214.94

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Receive $7.18 OP Bucks

Product Info for Radical Firearms 16 in. 300 AAC Blackout Upper Assembly

The Radical Firearms 300 AAC Blackout Upper Assembly is a flat top, law-enforcement grade, drop in receiver, ready to be mounted to any Mil-Spec AR-15 lower receiver! These AR15 Upper Receivers from the innovators at Radical Firearms feature a forward assist for increased accuracy and a faster cool down time. With an ejection port door the Radical Firearms 16 in. Blackout Upper Assembly easily drops in to any firearm without the need of a gunsmith. The Radical Firearms Upper Receiver Assembly is a fully mil-spec compliant receiver provides a high-quality upper for any level budget or shooter.image

Specifications for Radical Firearms 16 in. 300 AAC Blackout Upper Assembly:

Manufacturer: Radical Firearms
Caliber: .300 AAC Blackout
Barrel Length: 16 in
Barrel Profile: HBAR
Gas System Length: Pistol Length
Barrel Twist Rate: 1-8
Threads per Inch: 5/8x24
Handguard Type: Free-Float
Muzzle Device: A2 Flash Hider
Finish: Matte
Color: Black
Gun Model: AR-15
Condition: New
Gas Block Journal Size-Diameter: .750 in
Handguard Length: 15 in
Gun Rail: M-LOK
Gun Make: AR Platform
Additional Features: Slim Rail System (FCR)
Included Accessories: Standard
Barrel Material: 4140 Chrome Moly Vanadium
Magazine Included: No
Model: Slim Rail System (FCR)
Length: 15 in

Radical Firearms 300 AAC Blackout Upper Assembly, 2CS-UFH-HP3

  • Forward Assist
  • Ejection Port Door
  • RF Barrel Nut

Package Contents:

  • Radical Firearms 16 in. 300 AAC Blackout Upper Assembly, 2CS-UFH-HP3

Radical Firearms 16 in. 300 AAC Blackout Upper Assembly Orderable Models

List of Orderable Models

Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, w/o BCG and CH, Black, FU16-300HBAR-15FCR , MPN: FU16-300HBAR-15FCR , UPC: 816903025046 , Code: 2CS-UFH-HP3-FU16-300HBAR-15FCR

Radical Firearms 16 in. 300 AAC Blackout Upper Assembly Unavailable & Discontinued Models

List of Unorderable Models

DEMO, Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FCR, A2 FH, w/o BCG and CH, Black, FU16-300HBAR-15FCR , MPN: FU16-300HBAR-15FCR-DEMO , Code: 2CS-UFH-HP3-FU16-300HBAR-15FCR-DEMO
DEMO, Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 12 inch FCR, A2 FH, w/o BCG and CH, Black, FU16-300HBAR-12FCR , MPN: FU16-300HBAR-12FCR-DEMO , Code: 2CS-UFH-HP3-FU16-300HBAR-12FCR-DEMO
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 12 inch FCR, A2 FH, w/o BCG and CH, Black, FU16-300HBAR-12FCR , MPN: FU16-300HBAR-12FCR , UPC: 816903025039 , Code: 2CS-UFH-HP3-FU16-300HBAR-12FCR
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 12 inch FQR, w/o BCG and CH, Black, FU16-300HBAR-12FQR , MPN: FU16-300HBAR-12FQR , UPC: 814034024662 , Code: 2CS-UFH-HP3-FU16-300HBAR-12FQR
DEMO, Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 12 inch FQR, w/o BCG and CH, Black, FU16-300HBAR-12FQR , MPN: FU16-300HBAR-12FQR-DEMO , Code: 2CS-UFH-HP3-FU16-300HBAR-12FQR-DEMO
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FTR, w/o BCG and CH, Black, FU16-300HBAR-15FTR , MPN: FU16-300HBAR-15FTR , UPC: 814034024716 , Code: 2CS-UFH-HP3-FU16-300HBAR-15FTR
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FHR, w/o BCG and CH, Black, FU16-300HBAR-15FHR , MPN: FU16-300HBAR-15FHR , UPC: 814034024723 , Code: 2CS-UFH-HP3-FU16-300HBAR-15FHR
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 12 inch FHR, w/o BCG and CH, Black, FU16-300HBAR-12FHR , MPN: FU16-300HBAR-12FHR , UPC: 814034024679 , Code: 2CS-UFH-HP3-FU16-300HBAR-12FHR
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 12 inch FTR, w/o BCG and CH, Black, FU16-300HBAR-12FTR , MPN: FU16-300HBAR-12FTR , UPC: 814034024686 , Code: 2CS-UFH-HP3-FU16-300HBAR-12FTR
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch MHR, w/o BCG and CH, Black, FU16-300HBAR-15MHR , MPN: FU16-300HBAR-15MHR , UPC: 816903022151 , Code: 2CS-UFH-HP3-FU16-300HBAR-15MHR
USED Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FHR, w/BCG and CH, Black, CFU16-300HBAR-15FHR, EDEMO1, Used, Condition Fair , MPN: CFU16-300HBAR-15FHR-EDEMO1 , Code: 2CS-UFH-HP3-CFU16-300HBAR-15FHR-EDEMO1
DEMO, Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 12 inch FQR, w/BCG and CH, Black, CFU16-300HBAR-12FQR , MPN: CFU16-300HBAR-12FQR-DEMO , Code: 2CS-UFH-HP3-CFU16-300HBAR-12FQR-DEMO
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 12 inch FTR, w/BCG and CH, Black, CFU16-300HBAR-12FTR , MPN: CFU16-300HBAR-12FTR , UPC: 816903020836 , Code: 2CS-UFH-HP3-CFU16-300HBAR-12FTR
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FTR, w/BCG and CH, Black, CFU16-300HBAR-15FTR , MPN: CFU16-300HBAR-15FTR , UPC: 816903020843 , Code: 2CS-UFH-HP3-CFU16-300HBAR-15FTR
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 15 inch FHR, w/BCG and CH, Black, CFU16-300HBAR-15FHR , MPN: CFU16-300HBAR-15FHR , UPC: 816903020805 , Code: 2CS-UFH-HP3-CFU16-300HBAR-15FHR
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 12 inch FHR, w/BCG and CH, Black, CFU16-300HBAR-12FHR , MPN: CFU16-300HBAR-12FHR , UPC: 816903020799 , Code: 2CS-UFH-HP3-CFU16-300HBAR-12FHR
Radical Firearms Upper Assembly 16 inch 300 AAC HBAR Contour, 12 inch FQR, w/BCG and CH, Black, CFU16-300HBAR-12FQR , MPN: CFU16-300HBAR-12FQR , UPC: 816903020768 , Code: 2CS-UFH-HP3-CFU16-300HBAR-12FQR
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