LBE Unlimited M16BCG-NIB Complete BCG 5.56x45mm NATO, Nickel Boron Coated 8620 Steel, Full Auto Rated For AR Platform

LBE Unlimited M16BCG-NIB Complete BCG 5.56x45mm NATO, Nickel Boron Coated 8620 Steel, Full Auto Rated For AR Platform - Bolt Carrier Group for AR-15 - view 1
LBE Unlimited M16BCG-NIB Complete BCG 5.56x45mm NATO, Nickel Boron Coated 8620 Steel, Full Auto Rated For AR Platform - Bolt Carrier Group for AR-15 - view 2
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LBE Unlimited

Overview

The LBE Unlimited M16BCG-NIB Complete Bolt Carrier Group is designed for the AR platform and chambered in 5.56 NATO, featuring a nickel boron finish that enhances durability and reduces friction during operation. This M16 style bolt carrier is full auto rated, making it suitable for builders interested in maximizing the reliability and performance of their firearm under demanding conditions. This BCG is commonly found in builds aimed at competitive shooting or tactical applications, where performance consistency is critical.

Specifications

MPNM16BCG-NIB
Caliber5.56 NATO
FinishNickel Boron
StyleM16

Available Merchants(6)

Prices checked

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AT3 Tactical logo
AT3 Tactical
Shipping TBD
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In Stock
$162.99
BattleHawk Armory logo
BattleHawk Armory
Shipping varies
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Out of Stock
$124.34
Palmetto State Armory logo
Palmetto State Armory
Free shipping
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Out of Stock
$144.99
Sportsmans Outdoor Superstore logo
Sportsmans Outdoor Superstore
Flat rate shipping
Shipping Speed
Out of Stock
$145.99
Classic Firearms logo
Classic Firearms
Shipping varies
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Out of Stock
$146.87
KY Gun Company logo
KY Gun Company
Flat rate shipping
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Out of Stock
$149.99

September 2026 on GunPartPicker

LBE Unlimited M16BCG-NIB Complete BCG 5.56x45mm NATO, Nickel Boron Coated 8620 Steel, Full Auto Rated For AR Platform ranked #67 of the 217 bolt carrier groups builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since September 2026. All time, it ranks #215 of the 499 bolt carrier groups builders have added.

Availability is good: it was in stock at one retailer or another nearly every day in September 2026, but today only AT3 Tactical has it in stock. It dipped to $124.34 at BattleHawk Armory for a stretch in September 2026, well under its usual $144.99 to $149.99, so sales do come around. Buying today, the lowest price is $162.99 at AT3 Tactical, above September's low of $124.34, so a better deal may come back.

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