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LBE Unlimited Ready Build Kit
California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

LBE Unlimited

Ready Build Kit

$615.00
Low Stock (3 left) California compliant

LBE Unlimited Ready Build Kit, Complete Upper Receiver, 12.5" Cold Hammer Forged Barrel, 223 Remington/5.56 NATO, A2 Flash Hider, Mid-Length Gas System, M16 Bolt Carrier Group, Standard Charging Handle, Black AR125RBK

Key Details
Brand LBE Unlimited
Manufacturer Part Number AR125RBK
UPC 706612408134
SKU LBAR125RBK
Current Stock 3 available
Quantity Updated Apr 26, 2026 3:50 PM
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Purchase Requirements
  • Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

High quality components and precise manufacturing make LBE parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on. The LBE Ready Build Kit comes with a 12.5" cold hammer forged melonite finished barrel, an upper with the dust cover and forward assist Installed, a NiB M16 Style Bolt Carrier Group, a mid-length gas tube pinned in a low profile gas block, a standard charge handle, and an A2 Birdcage flash hider with crush washer.

Features
  • 12.5 Cold Hammer Forged Barrel"
  • AR-15 Upper with Dust Cover and Forward Assist Installed
  • NiB M16 Bolt Carrier Group
  • Mid Length Gas Tube with Low Profile Gas Block
  • A2 Flash Hider
  • Standard Charging Handle
Specifications
UPC: 706612408134
Manufacturer: LBE Unlimited
Manufacturer Part #: AR125RBK
Model: Ready Build Kit
Barrel Length: 12.5"
Finish: Melonite
Type: Kit