5.56/300BLK Bolt Carrier Group For AR-15/M16 Nickel Boron

Name: 5.56/300BLK Bolt Carrier Group For AR-15/M16 Nickel Boron
Brand: One Horse
Availability: InStock

One Horse · Bolt Carrier Group

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5.56/300BLK Bolt Carrier Group For AR-15/M16 Nickel Boron

Best price

$106.94at Kentucky Gun Co

In stock checked Nov 13, 2026

Buy at Kentucky Gun Co

Compare 5 stores

Fits and works with

Bolt: Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups

Specifications

Manufacturer: One Horse
Color: Silver / Stainless
Platform: AR-15
Caliber: 300 Blackout
Finish: Nickel Boron

Where to buy

Store	Price	Availability	Buy
Kentucky Gun Co Best price	$106.94checked Nov 13, 2026	In stock	Buy at Kentucky Gun Co
OpticsPlanet	$136.49checked Nov 13, 2026	In stock	Buy at OpticsPlanet
Battlehawk Armory	$96.71Salechecked Nov 13, 2026	Check store	Buy at Battlehawk Armory
GrabAGun	$109.99Salechecked Nov 13, 2026	Check store	Buy at GrabAGun
Brownells 17.76% off · ends Nov 15 · exclusions apply	$135.99checked Nov 13, 2026	Out of stock	Buy at Brownells

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: $106.88 at Kentucky Gun Co. Dashed line = out of stock. Tracking since Sep 28, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
Battlehawk Armory	$96.71	$96.66	$102.91
Brownells	$135.99	$135.99	$135.99
GrabAGun	$109.99	$109.99	$109.99
Kentucky Gun Co	$106.94	$106.88	$106.94
OpticsPlanet	$136.49	$135.79	$136.49

Since Sep 28, 2026.

About this part

The 5.56/300BLK Bolt Carrier Group For AR-15/M16 Nickel Boron is an AR-15 bolt carrier group from One Horse. It's sold by 5 stores (2 in stock), from $96.71 to $136.49. The lowest in-stock price in the last 30 days was $106.88 at Kentucky Gun Co.

From the manufacturer

ONE HORSE LLC MIL-SPEC 5.56/300BLK BOLT CARRIER GROUP FOR AR-15/M16 NICKEL BORON Dominate any range with this precision-crafted M16 Bolt Carrier Group (BCG). Designed for seamless compatibility with 5.56 NATO and .300 Blackout, this BCG ensures flawless cycling and extraction in any build. Every component is treated with a premium nickel boron finish for exceptional corrosion resistance, ultra-low friction, and effortless cleaning, delivering smoother operation than standard coatings. Built to exacting Mil-Spec standards, it's the ultimate choice for reliability and performance. Precision-machined 9310 steel bolt and 8620 steel carrier, fully nickel bor Mfg: One Horse