CYBER MONDAY IS HERE - Our Best Prices Of The Year + 15% Off Almost Everything Else INCLUDING Powder & Primers w/ Code: CM15

CYBER MONDAY IS HERE - Our Best Prices Of The Year + 15% Off Almost Everything Else INCLUDING Powder & Primers w/ Code: CM15

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BrownellExclusive BrownellExclusive
New New OFF

KAK INDUSTRY LLC. K-SPEC 5.56X45MM NATO COMPLETE UPPER RECEIVER

Barrel Length
K-SPEC 5.56 NATO 13.9" BBL 1-7 Twist Complete Upper Black
Brownells #
430110225
MFR #
450-1010-060-A-B
UPC
811163035552
$599.99
Coupon Code
Purchase Limit Help

In stock

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Specifications
Barrel Contour:
Government
Cartridge:
5.56x45 NATO
Attachment Type:
M-LOK
Make Model Fit:
AR-15.Universal
Finish:
Anodized
Color:
Matte Black
Barrel Length:
13.90
Muzzle Threads:
1/2"x28
Gas System Length:
Mid-Length
Material:
Aluminum
Gas Block Diameter:
0.750 Inches
Twist:
1-7
Item Height (Inches):
2.390
Item Width (Inches):
2.868
Item Length (Inches):
22.000
Quantity:
1
Receiver Style:
Complete
Restriction
Restricted Part:
Yes
Can we ship this to you? (US only)
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Description
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

SKU: 430110224
16” 4150 CrMoV chrome-lined barrel with 1:7” twist rate, twice stressed relieved
15” MLOK handguard with heavy-duty barrel nut

SKU: 430110225
13.9” 4150 CrMoV chrome-lined barrel with 1:7” twist rate, twice stressed relieved
13” MLOK handguard with heavy-duty barrel nut

SKU: 430110226
14.5” 4150 CrMoV chrome-lined barrel with 1:7” twist rate, twice stressed relieved
13” MLOK handguard with heavy-duty barrel nut


  • Each upper is test fired to ensure reliable function.

Restricted Part
Please check with your state regulations for ownership of Restricted Parts. May require documentation.

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