KAK AR15 BCG M16 556 K-SPEC NP3 DE
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Overview
The KAK AR15 BCG M16 556 K-SPEC NP3 DE is a bolt carrier group. Compare prices from multiple merchants and find the best deal.
Specifications
August 2026 on GunPartPicker
KAK AR15 BCG M16 556 K-SPEC NP3 DE ranked #77 of the 229 bolt carrier groups builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since April 2026. All time, it ranks #66 of the 445 bolt carrier groups builders have added. Builds with this bolt carrier group are mostly chambered in 300 Blackout (67%, then 5.56 NATO 33%), mostly on pistol-length gas (67%, then mid-length 33%), and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today all 4 retailers we track have it in stock. Prices barely moved in August 2026, holding around $247.49, so there haven't been real sales lately. Buying today, the lowest price is $229.46 at Optics Planet, which matches the best price we saw in August.
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Frequently Built With
The part most often added in each category by the 10 builds that include this one
Geissele Automatics AR-15/M16 Super Charging Handle, Ddc
Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4
Sabre-15 M16A4 Stripped Lower Receiver
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Radian Weapons Talon Ambidextrous Safety Selector 2-Lever KIT - Radian Grey
Magpul AFG-2 Angled Fore Grip - Black
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all 1 →Builds in the community that include the KAK AR15 BCG M16 556 K-SPEC NP3 DE
| Build | Parts | Total |
|---|---|---|
 | 23 | $2613.02 |
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