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

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

One Horse · Bolt Carrier Group

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Best price

$135.79at OpticsPlanet

In stock checked Oct 1, 2026

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Where to buy

StorePriceAvailabilityBuyAdd to build
OpticsPlanet Best price $135.79checked Oct 1, 2026 In stock Buy at OpticsPlanet
Battlehawk Armory $96.71Salechecked Oct 1, 2026 Check store Buy at Battlehawk Armory
Brownells $135.99checked Oct 1, 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

Lowest in-stock price in the last 30 days: $135.79 at OpticsPlanet. Dashed line = out of stock. Tracking since Sep 28, 2026.

Show the prices as a table
StoreLatestLowestHighest
Battlehawk Armory$96.71$96.71$102.91
Brownells$135.99$135.99$135.99
OpticsPlanet$135.79$135.79$135.79

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 3 stores (1 in stock), from $96.71 to $135.99. The lowest in-stock price in the last 30 days was $135.79 at OpticsPlanet.

Fits and works with

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

Specifications

Manufacturer
One Horse
Platform
AR-15
Caliber
300 Blackout
Finish
Nickel Boron

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

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$135.79 at OpticsPlanet
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