Bolt Carrier Group K-Spec M16 BCG W/Side Vent 5.56x45mm Chrome & Phosphate BLK

Name: Bolt Carrier Group K-Spec M16 BCG W/Side Vent 5.56x45mm Chrome & Phosphate BLK
Brand: KAK Industry
Availability: InStock

KAK Industry · Bolt Carrier Group

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Bolt Carrier Group K-Spec M16 BCG W/Side Vent 5.56x45mm Chrome & Phosphate BLK

Best price

$179.99at Brownells

In stock Lowest in 30 dayschecked Nov 13, 2026

Buy at Brownells

Compare 4 stores

Fits and works with

Caliber: 5.56 / .223 · Shop matching ammo
Bolt: Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups

Specifications

Manufacturer: KAK Industry
Platform: AR-15
Caliber: 5.56 mm NATO
Finish: Phosphate
Material: Steel

Where to buy

Store	Price	Availability	Buy
Brownells Best price 17.76% off · ends Nov 15 · exclusions apply	$179.99checked Nov 13, 2026	In stock	Buy at Brownells
Ammunition Depot	$179.99checked Nov 9, 2026	In stock	Buy at Ammunition Depot
Battlehawk Armory	$179.99checked Nov 13, 2026	Check store	Buy at Battlehawk Armory
Palmetto State Armory	$180.99checked Nov 8, 2026	Check store	Buy at Palmetto State Armory

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

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Lowest in-stock price in the last 30 days: $179.99 at Ammunition Depot. Dashed line = out of stock. Tracking since Sep 27, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
Ammunition Depot	—	$179.99	$179.99
Battlehawk Armory	$179.99	$179.99	$179.99
Brownells	$179.99	$179.99	$179.99
Palmetto State Armory	—	$159.99	$180.99

Since Sep 27, 2026.

About this part

The Bolt Carrier Group K-Spec M16 BCG W/Side Vent 5.56x45mm Chrome & Phosphate BLK is a 5.56 / .223 bolt carrier group from KAK Industry. It's sold by 4 stores (2 in stock), from $179.99 to $180.99. The lowest in-stock price in the last 30 days was $179.99 at Ammunition Depot.

From the manufacturer

K-SPEC: Mil-Spec, Enhanced. KAK Industry's signature design for unrivaled performance and unparalleled reliability, all K-SPEC Enhanced BCGs retain mil-spec dimensions with added Slotted Angle Carrier Rails ("sand cutters") and Dual Ejector system. All KAK Industry BCGs feature a M16 (Full Auto) carrier profile, meticulously machined from 8620 steel, properly heat treated and ground to exact tolerances. Other components include: Single piece billet-machined 4140 extractor, phosphate coated for Increased reliability and corrosion resistance. Includes 4340 Chrome plated cam pin. 8740 chrome plated firing pin, precision ground and heat trea Mfg: Kak Industry Llc.