Home / Barrel Parts / Rosco Manufacturing / Rosco Manufacturing Bloodline AR-15 Barrel 300 AAC Blackout 16" Heavy Contour 1:8" Twist Nitride
Rosco Manufacturing Bloodline AR-15 Barrel 300 AAC Blackout 16" Heavy Contour 1:8" Twist Nitride
Lowest Price
MSRP
$198
Savings
20% off
In Stock at
4 Stores
Compare Deals from 20 Retailers
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1:8 Twist
4150 CMV Steel
5/8X24 Thread Pitch
Heavy Barrel Profile
Nitride Finish
Specifications
Description
This Rosco 300 Blackout (300 BLK) barrel was designed for SBR and Pistol use in conjunction with suppressors. The 300 Blackout Rosco barrel was made to be a direct replacement for any MK 18 platforms that are currently in 5.56 NATO. The barrel is also perfect for carbines which require a slightly longer rail in order to run PEQ-15's, D-BAL (series), or any laser aiming devices comfortably. All NFA rules apply Features11 Degree barrel crownNitride Barrel and barrel extension4150 CMV materials
Rosco Manufacturing Bloodline AR-15 Barrel 300 AAC Blackout 16" Heavy Contour 1:8" Twist Nitride Price History and Deals
ARMSAGORA tracked 31 days of price history for Rosco Manufacturing Bloodline AR-15 Barrel 300 AAC Blackout 16" Heavy Contour 1:8" Twist Nitride. The lowest tracked price in this period was $157.99, with prices ranging up to $198 from Apr 23, 2026 through May 23, 2026.
Current price is at the tracked 30-day low
- Current Low
- $157.99
- 30-Day Low
- $157.99
- Average
- $172.22
- Median
- $171.7
- Retailers
- 4







