Parts by category

AR-15 Bolt Carrier Group Melonite 5.56mm

Rosco Manufacturing · Bolt Carrier Group

No ratings yet

AR-15 Bolt Carrier Group Melonite 5.56mm

Best price

$126.00at Dirty Bird

checked Nov 14, 2026

Buy at Dirty Bird

Compare 7 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
Rosco Manufacturing

Compatibility

Caliber
5.56 mm NATO
Platform
AR-15

Dimensions and weight

Weight
12.48 oz

Materials and features

Finish / lining
Nitride (QPQ / Melonite)
Color
Black

Where to buy

StorePriceAvailabilityBuyAdd to build
Dirty Bird Best price $126.00checked Nov 14, 2026 Check store Buy at Dirty Bird
AR15Discounts 5% off $133.00checked Nov 14, 2026 Check store Buy at AR15Discounts
Classic Firearms $146.00checked Nov 14, 2026 Check store Buy at Classic Firearms
GrabAGun $159.99checked Nov 14, 2026 Check store Buy at GrabAGun
Brownells 17.76% off · ends Nov 15 · exclusions apply $120.60checked Nov 14, 2026 Out of stock Buy at Brownells
Kentucky Gun Co $153.99checked Nov 14, 2026 Out of stock Buy at Kentucky Gun Co
OpticsPlanet $164.49Salechecked Nov 14, 2026 Out of stock Buy at OpticsPlanet

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: $164.49 at OpticsPlanet. Dashed line = out of stock. Tracking since Sep 28, 2026.

Show the prices as a table
StoreLatestLowestHighest
AR15Discounts$133.00$133.00$133.00
Brownells$120.60$120.60$120.60
Classic Firearms$146.00$146.00$146.00
Dirty Bird$126.00$126.00$126.00
GrabAGun$159.99$159.99$159.99
Kentucky Gun Co$153.99$153.99$153.99
OpticsPlanet$164.49$164.49$164.49

Since Sep 28, 2026.

About this part

The AR-15 Bolt Carrier Group Melonite 5.56mm is a 5.56 / .223 bolt carrier group from Rosco Manufacturing. It's sold by 7 stores, from $120.60 to $164.49. The lowest in-stock price in the last 30 days was $164.49 at OpticsPlanet.

From the manufacturer

These 5.56 / 300 BLK Bolt Carrier Groups are Phosphate Coated with Chrome Lined Gas Key & Bolt Channel, Full-Auto rated, properly staked, and the bolts are Matched to the barrel. The Nitride version features a melonite coating for extended performance. The Rosco Phosphate and Nitride Bolt Carrier Groups are designed to meet the modern-day carbine shooters requirements. They have also balanced input from their consumers and military end users in order to bring you the product you need, not just the one Rosco wants to sell you. All Rosco BCG's are to MIL Specification and have a properly staked gas key along with a chrome lined coating for extended performance. They also feat Mfg: Rosco Manufacturing

Rating

No ratings yet

Log in to rate this part.

Comments

Please log in to read and leave comments.

Similar bolt carrier groups

More Rosco Manufacturing parts

$126.00 at Dirty Bird
Buy