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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
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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2/2 found this helpful
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Caliber:
6.8mm Remington SPC
Barrel Length:
16 in
Barrel Twist Rate:
1-11
Muzzle Device:
A2 Flash Hider
Finish:
Matte
Color:
Black
Gun Model:
AR-15
Condition:
Factory DEMO
Handguard Length:
15 in
Gun Rail:
M-LOK
Gun Make:
AR Platform
Additional Features:
A2 Flash Hider
Included Accessories:
Standard
Magazine Included:
No
Model:
12in Hybrid Rail System - MHR

Code: 2CS-UFH-C1668-CFU16-6-8SPCIIHBAR-15MHR-DEMO

MPN: CFU16-6.8SPCIIHBAR-15MHR-DEMO

Product No Longer Available

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

Package Contents:

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

Gunsmithing Tools & Accessories

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Magazine and Accessories

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Gun Parts and Accessories

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Gun Sights

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Gun Barrels

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Gun Triggers

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Gun Stocks

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Mounts, Rings and Accessories

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Related Products to Radical Firearms Complete Upper Assembly 16in 6.8 SPC II w/ A2 Flash Hider

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 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, 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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