Rosco Manufacturing Bloodline SP-BL-82-300-BCG-GTP Carbine KIT

Rosco Manufacturing Bloodline SP-BL-82-300-BCG-GTP Carbine Kit - Bolt Carrier Group for AR-15 - view 1
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Rosco Manufacturing

Overview

The Rosco Manufacturing Bloodline SP-BL-82-300-BCG-GTP Carbine KIT is a bolt carrier group. Compare prices from multiple merchants and find the best deal.

Specifications

MPNSP-BL-82-300-BCG-GTP
Caliber300 Blackout
StyleBillet
FinishNitride

Available Merchants(1)

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$325.30

October 2026 on GunPartPicker

Rosco Manufacturing Bloodline SP-BL-82-300-BCG-GTP Carbine KIT ranked #61 of the 258 bolt carrier groups builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #53 of the 551 bolt carrier groups builders have added. Builds with this bolt carrier group are nearly all chambered in 300 Blackout, mostly on pistol-length gas (73%, then carbine-length 20%), and nearly all AR-15.

Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today the one retailer we track has it in stock. Prices barely moved in October 2026, holding around $325.30, with no real sale all month. Buying today, the lowest price is $325.30 at Classic Firearms, which matches the best price we saw in October.

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Frequently Built With

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

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Caliber

100%
300 Blackout100%

Gas System

73.3%
Pistol73.3%
Carbine20%
Mid-Length6.7%

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