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Radical Firearms Complete Upper Assembly 16in 6.8 SPC II w/ A2 Flash Hider Up to $40.98 Off w/ Free S&H — 3 models

Special offer available for this product. Click here to see!
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12RPR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in MHR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12MHR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 15in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-15RPR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12RPR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12RPR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12RPR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in MHR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12MHR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in MHR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12MHR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 15in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-15RPR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in MHR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12MHR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 15in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-15RPR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 15in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-15RPR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12RPR
1 of 12 images
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12RPR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in MHR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12MHR
2 of 12 images
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in MHR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12MHR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 15in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-15RPR
3 of 12 images
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 15in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-15RPR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12RPR
4 of 12 images
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12RPR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12RPR
5 of 12 images
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12RPR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12RPR
6 of 12 images
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12RPR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in MHR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12MHR
7 of 12 images
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in MHR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12MHR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in MHR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12MHR
8 of 12 images
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in MHR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12MHR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 15in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-15RPR
9 of 12 images
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 15in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-15RPR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in MHR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12MHR
10 of 12 images
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in MHR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12MHR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 15in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-15RPR
11 of 12 images
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 15in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-15RPR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 15in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-15RPR
12 of 12 images
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 15in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-15RPR

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Questions & Answers
Will this upper fit a LWRC SIX8 lower and the subsequent SIX8 magazines Expert Answer

The Radical Firearms Complete Upper Assembly 16in 6.8 SPC II w/ A2 Flash Hider will work with Mil-Spec lowers. So it will work with the LWRC SIX8 Lower with the SIX8 magazines.

by Hunter, Gear Expert, July 5, 2022
what type of steel is the barrel Expert Answer

The Radical Firearms Complete Upper Assembly 16in 6.8 SPC II w/ A2 Flash Hider features a 4140 Chrome Moly Vanadium, Medium Contour Profile barrel. It has a 1:11 twist.

by Ethan, Gear Expert, June 27, 2022
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review Radical 6.8 upper by Tim, March 1, 2023
Upper seems well made like any other on the market of recent! Radical's website says do NOT use UMC ammo in their rifles/uppers and I've yet to be able to get in tough with anyone to see why? At this price point I think its a good deal! I did mount t...
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Product Info for Radical Firearms Complete Upper Assembly 16in 6.8 SPC II w/ A2 Flash Hider

The Radical Firearms 16in Heavy Barrel contour profile 6.8 SPC II is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter wanting to finish out that build and hit the range. Built with our 15in MHR free float rail system for increased accuracy and keeping your hands cool. No matter what your style of shooting is, Radical Firearms has you covered.image

Specifications for Radical Firearms Complete Upper Assembly 16in 6.8 SPC II w/ A2 Flash Hider:

Manufacturer: Radical Firearms
Caliber: 6.8mm Remington SPC
Barrel Length: 16 in
Barrel Twist Rate: 1-11
Muzzle Device: A2 Flash Hider
Finish: Anodized
Color: Black
Gun Model: AR-15
Condition: New
Gun Rail: M-LOK
Gun Make: AR Platform
Additional Features: A2 Flash Hider
Included Accessories: Standard
Magazine Included: No

Package Contents:

  • Radical Firearms Complete Upper Assembly 16in 6.8 SPC II w/ A2 Flash Hider

What firearm models does the manufacturer say Radical Firearms Complete Upper Assembly 16in 6.8 SPC II w/ A2 Flash Hider is compatible with?

The manufacturer suggests that Radical Firearms Complete Upper Assembly 16in 6.8 SPC II w/ A2 Flash Hider is compatible with AR-15

Radical Firearms Complete Upper Assembly 16in 6.8 SPC II w/ A2 Flash Hider Orderable Models

List of Orderable Models

Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12RPR , MPN: CFU16-6.8SPCIIHBAR-12RPR , UPC: 816903024568 , Code: 2CS-UFH-C1668-CFU16-6-8SPCIIHBAR-12RPR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 15in RPR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-15RPR , MPN: CFU16-6.8SPCIIHBAR-15RPR , UPC: 816903024575 , Code: 2CS-UFH-C1668-CFU16-6-8SPCIIHBAR-15RPR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in MHR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12MHR , MPN: CFU16-6.8SPCIIHBAR-12MHR , UPC: 816903024544 , Code: 2CS-UFH-C1668-CFU16-6-8SPCIIHBAR-12MHR

Radical Firearms Complete Upper Assembly 16in 6.8 SPC II w/ A2 Flash Hider Unavailable & Discontinued Models

List of Unorderable Models

DEMO, Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 15in MHR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-15MHR , MPN: CFU16-6.8SPCIIHBAR-15MHR-DEMO , Code: 2CS-UFH-C1668-CFU16-6-8SPCIIHBAR-15MHR-DEMO
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 15in MHR, M-LOK, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-15MHR , MPN: CFU16-6.8SPCIIHBAR-15MHR , UPC: 816903024551 , Code: 2CS-UFH-C1668-CFU16-6-8SPCIIHBAR-15MHR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in FTR, KEYMOD, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12FTR , MPN: CFU16-6.8SPCIIHBAR-12FTR , Code: 2CS-UFH-C1668-CFU16-6-8SPCIIHBAR-12FTR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 12in FHR, KEYMOD, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-12FHR , MPN: CFU16-6.8SPCIIHBAR-12FHR , UPC: 816903021291 , Code: 2CS-UFH-C1668-CFU16-6-8SPCIIHBAR-12FHR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 15in FHR, KEYMOD, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-15FHR , MPN: CFU16-6.8SPCIIHBAR-15FHR , UPC: 816903021307 , Code: 2CS-UFH-C1668-CFU16-6-8SPCIIHBAR-15FHR
Radical Firearms Complete Upper Assembly 16in 6.8 SPC II, HBAR Contour, 1/11 Twist, 15in FTR, KEYMOD, A2 Flash Hider, Black, CFU16-6.8SPCIIHBAR-15FTR , MPN: CFU16-6.8SPCIIHBAR-15FTR , UPC: 816903021321 , Code: 2CS-UFH-C1668-CFU16-6-8SPCIIHBAR-15FTR
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