KAK Industry

KAK AR15 BCG M16 556 K-SPEC C&P Black

KAK Industry KAK AR15 BCG M16 556 K-SPEC C&P Black
Buy Now

KAK Industry

Overview

The KAK AR15 BCG M16 556 K-SPEC C&P Black is a bolt carrier group. Compare prices from multiple merchants and find the best deal.

Specifications

MPN425-3312-001
Caliber5.56 NATO
FinishPhosphate

Available Merchants(2)

Prices checked

Stock Alert

Get an email when this is back in stock.
Optics Planet logo
Optics Planet
Free shipping
Shipping Speed
Out of Stock
$188.95
Buy Now
BattleHawk Armory logo
BattleHawk Armory
Shipping varies
Shipping Speed
Out of Stock
$188.95
Buy Now

September 2026 on GunPartPicker

KAK AR15 BCG M16 556 K-SPEC C&P Black 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 April 2026. All time, it ranks #62 of the 503 bolt carrier groups builders have added. Builds with this bolt carrier group are mostly chambered in 5.56 NATO (67%, then 300 Blackout 17%), split between mid-length (40%) and carbine-length (30%) gas systems, and nearly all AR-15.

It was hard to find in September 2026, in stock on only 1 of the 17 days we checked, and today none of the 2 retailers we track has it in stock right now. Prices barely moved in September 2026, holding around $188.95, so there haven't been real sales lately. Listed prices start at $188.95 at Optics Planet for when it comes back.

Trending bolt carrier groups →

Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers

Not sure which bolt carrier group to pick?

We ranked every bolt carrier group by how often it shows up in real builds on GunPartPicker.

Read the guide: The Most Trusted AR-15 BCGs →

Check it against the live catalog:

Frequently Built With

The part most often added in each category by the builds that include this one

Radian Weapons AR-15 Raptor SD-SL Ambidextrous Charging Handle Black

Radian Weapons AR-15 Raptor SD-SL Ambidextrous Charging Handle Black

Charging Handle$125in 14% of them
K-Spec 5.56x45mm NATO Complete Upper Receiver - K-Spec 5.56 NATO 16" Bbl 1-7 Twist Complete Upper Black

K-Spec 5.56x45mm NATO Complete Upper Receiver - K-Spec 5.56 NATO 16" Bbl 1-7 Twist Complete Upper Black

Upper Receiver$600 · out of stockin 7% of them
Diamondback DB15 AR Lower, Black - DB2228R001

Diamondback DB15 AR Lower, Black - DB2228R001

Lower Receiver$87 · out of stockin 7% of them
Magpul AFG-2 Angled Fore Grip - Black

Magpul AFG-2 Angled Fore Grip - Black

Foregrip$24in 14% of them
Timber Creek Outdoors Enforcer AR-15 Pistol Grip - Red

Timber Creek Outdoors Enforcer AR-15 Pistol Grip - Red

Pistol Grip$68in 7% of them
Trigger Tech Duty Flat AR-15 Two Stage Trigger, Black - AH0-TDB-33-NNF

Trigger Tech Duty Flat AR-15 Two Stage Trigger, Black - AH0-TDB-33-NNF

Trigger$129in 7% of them

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Caliber

66.7%
5.56 NATO66.7%
300 Blackout16.7%
.223 Wylde8.3%
.458 SOCOM8.3%

Gas System

40%
Mid-Length40%
Carbine30%
Pistol20%
Rifle10%

Review this product

Share your thoughts with other customers

Be the first to review

No reviews yet. Be the first to review this product!