Details
The K2CA is a 20" heavy barrel upper receiver unit. 100% complete and ready to drop on an assembled lower and head off to the range. Unlike other "manufacturers" our complete uppers come with bolt carrier assembly and charging handle. Barrels are button rifled National Match barrels with a 1x9 twist. This upper is headspaced, test fired, and ready to go.
This unit is chambered in 5.56x45, and is standard with the following features:
- HMG (Heavy Machine Gun Contour) barrel .98" under the handguards, .750" at the front sight base
- 4140 Chromemoly steel barrel
- 1x9" twist
- 1/x2 x 28 threaded muzzle
- A2 flash suppressor
- Bayonet lug
- Standard AR mil-style handguards w/liners
- Mil-spec forced A2 upper
- A2 fully adjustable sights
- Blak-Tac boilt carrier assembly
- Forged Charging handle
- 100% Manufactured and assembled in the USA
Options are available for:
- Upper Receiver (Flat-top or A2)
- Barrel Material (4140 Chromemoly or 416 SS)
- Handguard (free-float tube, Quad-rail, Predator style)
- Front Sight base (standard GI, Picatinny Gas block, Shaved front sight, Yankee Hill flip-up)
Like uppers are available in:
- 6.8 Remington (K4B68-UR)
- 7.62x39 (K30R20-UR)
Additional Information
| SKU | K4BUR |
|---|
Custom tab
Olympic Arms, Inc. is not affiliated with the IOC/USOC or any other Olympic sports organization.