K-SPEC 5.56x45mm NATO Complete Upper Receiver

Bundle Package

by Kak Industry

K-SPEC 5.56x45mm NATO Complete Upper Receiver

User Ratings

No ratings yet

Be the first to review this product

Retail: $599.99

Brownells and KAK Industry have partnered to build the best performing complete upper at an unbeatable price. This premium complete upper features a chrome-lined barrel, chrome-lined phosphate K-SPEC Enhanced BCG, Brownells-exclusive PentaComp muzzle device, and a rock-steady free-float KAK Industry MLOK handguard. 100% American made for years of dependable service.

The K-SPEC Down Vent BCG represents unrivaled reliability, featuring Slotted Angled Carrier Rails, Dual Ejectors, and downward gas vents that redirect gas underneath the carrier instead of out at the shooter’s face. For suppressed shooting with a traditional baffle can, the K-SPEC down vent BCG is a game-changer.

This complete upper features:

  • Forged 7075 T6 Upper Receiver
  • Mid-Length gas system
  • 1/2x28 muzzle threads with Brownells-exclusive PentaComp device
  • Chrome-lined phosphate K-SPEC Enhanced BCG
  • Large Billet Latch enhanced charging handle

16” 4150 CrMoV chrome-lined barrel with 1:7” twist rate, twice stressed relieved, 15” MLOK handguard with heavy-duty barrel nut.

SKU: 430110224

Available options:

  • 430110224: 16.00" Barrel
  • 430110225: 13.90" Barrel
  • 430110226: 14.50" Barrel

Specifications

Manufacturer:
Kak Industry
Category:
upper-receiver
Platforms:
AR-15
Weight:
24 oz (1.50 lbs)
Length:
16.0"
UPC:
811163035569
MPN:
450-1010-061-A-B
Required Component:
Yes

Parts Cabinet

Track parts you own or plan to buy.

Where to Buy

Brownells
In Stock
$599.99
BattleHawk Armory
Out of Stock
$487.56
Palmetto State Armory
Out of Stock
$599.99

Sponsored

MantisX

The smart way to train your AR build

Built your rifle — now train it. BlackBeardX installs in minutes and turns your AR into a full dry fire system with smart feedback on every pull.

Shop BlackBeardX

Price History

Current

$599.99

Lowest

$482.86

Highest

$599.99

Tap data points for details

Price Alert

Sign in to save a target price and receive an email when this component drops.

Sign In to Set Alert

Bundle Package

This is a bundled product that includes multiple components. The exact contents may vary - check the product description for more details.

• Complete assembly ready to use

• Multiple components included

• Value package pricing

Builds Using This Part

No builds yet — be the first to use this part.

Submit a Review

Reviews

Loading reviews…