We may get paid by partner for deals, including promoted items

Sponsored

OpticsPlanet use Code: GEARCHASE Amazon - Lightning Deals Amazon - Hunting Deals Bike Racks Heated Clothing Stio Hoka Fishing Mountain Hardwear

Rosco Manufacturing BL-075-HB-300BLK-5-P Bloodline 300 Blackout 7.50" Nitride 4150 CMV Barrel by Rosco Manufacturing -

Product Description

This Rosco 7.5" 300 Blackout Bloodline Barrel was designed for SBR and Pistol use in conjunction with suppressors. This is the shortest that we will go to allow the flexibility of a shorter Personal Defense Weapon (PDW) without sacrificing performance or ballistics.

Rosco Manufacturing BL-075-HB-300BLK-5-P Bloodline 300 Blackout 7.50" Nitride 4150 CMV Barrel

at United States Association of Gun Owners

Browse all United States Association of Gun Owners deals

$145.80

In Stock at United States Association of Gun Owners

Price verified 3d ago

Buy Now at United States Association of Gun Owners

Secure checkout Easy returns

or compare prices

Product Details

Brand Rosco Manufacturing

Rosco Manufacturing

More from Rosco Manufacturing

Last Updated:

Aug 29, 2026 11:28 PM

Rosco Manufacturing Bloodline Sauce Pack, 11.50'' 4150 Chrome Moly Steel Barrel 1/2"x28 Thread BCG Gas Block Gas Tube for 5.56 NATO - SP-BL-115-556-BCG-GTC

Rosco Manufacturing Bloodline Sauce Pack, 11.50'' 4150 Chrome Moly Steel Barrel 1/2"x28 Thread BCG Gas Block Gas Tube for 5.56 NATO - SP-BL-115-556-BCG-GTC View Details

$331.99

Buy Now · $331.99

Last Updated:

Aug 29, 2026 11:28 PM

Rosco Manufacturing K9 Barrel, 13.95" Nitride Stainless Steel Barrel 1/2"x28 Thread 5.56 NATO - K9-1395-HY-THEDON-556

Rosco Manufacturing K9 Barrel, 13.95" Nitride Stainless Steel Barrel 1/2"x28 Thread 5.56 NATO - K9-1395-HY-THEDON-556 View Details

$193.50

Buy Now · $193.50

Last Updated:

Aug 29, 2026 11:28 PM

Rosco Manufacturing V2 Non-Adjustable Gas Block, Black Includes 2 Set Screws / 2 Roll Pins - ROS-NGB-002

Rosco Manufacturing V2 Non-Adjustable Gas Block, Black Includes 2 Set Screws / 2 Roll Pins - ROS-NGB-002 View Details

$50.69

Buy Now · $50.69

Last Updated:

Aug 29, 2026 11:28 PM

Rosco Manufacturing Purebred Barrel, 18" Nickel Boron Stainless Steel Barrel 1/2"x28 Thread 223 Wylde - PB-18-SPR-223W-7-R

Rosco Manufacturing Purebred Barrel, 18" Nickel Boron Stainless Steel Barrel 1/2"x28 Thread 223 Wylde - PB-18-SPR-223W-7-R View Details

$211.50

Buy Now · $211.50

Last Updated:

Aug 29, 2026 11:28 PM

Rosco Manufacturing Husky Barrel, 12.50" Chrome Lined Phosphate 4150 CMV Barrel 1/2"x28 Thread 5.56 NATO - HSK-125-SOC-556-7-SP-C

Rosco Manufacturing Husky Barrel, 12.50" Chrome Lined Phosphate 4150 CMV Barrel 1/2"x28 Thread 5.56 NATO - HSK-125-SOC-556-7-SP-C View Details

$185.40

Buy Now · $185.40

Last Updated:

Aug 29, 2026 11:28 PM

Rosco Manufacturing K9 Barrel, 12.50" Nitride Stainless Steel Barrel 1/2"x28 Thread 5.56 NATO - K9-125-HY-SAGE-556-7

Rosco Manufacturing K9 Barrel, 12.50" Nitride Stainless Steel Barrel 1/2"x28 Thread 5.56 NATO - K9-125-HY-SAGE-556-7 View Details

$184.50

Buy Now · $184.50

Last Updated:

Aug 29, 2026 11:28 PM

Rosco Manufacturing Bloodline Heavy Profile Barrel, 16" Nitride 4150 CMV Barrel 1/2"x28 Thread 5.56 NATO - BL-16-HB-556-7-C View Details

$169.20

Buy Now · $169.20

Last Updated:

Aug 29, 2026 11:28 PM

Rosco Manufacturing K9 Barrel, 11.50" Nitride Stainless Steel Barrel 1/2"x28 Thread 5.56 NATO - K9-115-HY-DUFFY-556-7

Rosco Manufacturing K9 Barrel, 11.50" Nitride Stainless Steel Barrel 1/2"x28 Thread 5.56 NATO - K9-115-HY-DUFFY-556-7 View Details

$180.00

Buy Now · $180.00

Last Updated:

Aug 29, 2026 11:28 PM

Rosco Manufacturing Husky Barrel, 14.50" Chrome Lined Phosphate 4150 CMV Barrel 1/2"x28 Thread 5.56 NATO - HSK-145-SOC-556-7-MCL

Rosco Manufacturing Husky Barrel, 14.50" Chrome Lined Phosphate 4150 CMV Barrel 1/2"x28 Thread 5.56 NATO - HSK-145-SOC-556-7-MCL View Details

$171.90

Buy Now · $171.90

Last Updated:

Aug 29, 2026 11:28 PM

Rosco Manufacturing Bloodline Barrel, 16" Nitride 4150 CMV Barrel 1/2"x28 Thread Fits M4 Carbine 5.56 NATO - BL-16-M4-556-7-C

Rosco Manufacturing Bloodline Barrel, 16" Nitride 4150 CMV Barrel 1/2"x28 Thread Fits M4 Carbine 5.56 NATO - BL-16-M4-556-7-C View Details

$166.50

Buy Now · $166.50

Last Updated:

Aug 29, 2026 11:28 PM

Rosco Manufacturing Stray Dog Barrel, 16" Black Phosphate 4150 CMV Barrel 1/2"x28 Thread 5.56 NATO - CL-16.25-556-7-M

Rosco Manufacturing Stray Dog Barrel, 16" Black Phosphate 4150 CMV Barrel 1/2"x28 Thread 5.56 NATO - CL-16.25-556-7-M View Details

$166.50

Buy Now · $166.50

Last Updated:

Aug 29, 2026 11:28 PM

Rosco Manufacturing Husky Barrel, 11.50" Chrome Lined Phosphate 4150 CMV Barrel 1/2"x28 Thread 5.56 NATO - HSK-115-SOC-556-7-C-CL

Rosco Manufacturing Husky Barrel, 11.50" Chrome Lined Phosphate 4150 CMV Barrel 1/2"x28 Thread 5.56 NATO - HSK-115-SOC-556-7-C-CL View Details

$163.80

Buy Now · $163.80

Last Updated:

Aug 29, 2026 11:28 PM

Rosco Manufacturing Bloodline Barrel, 8.20" Nitride 4150 CMV Barrel 5/8"x24 Thread 300 Blackout - BL-82-HB-300BLK-7-P

Rosco Manufacturing Bloodline Barrel, 8.20" Nitride 4150 CMV Barrel 5/8"x24 Thread 300 Blackout - BL-82-HB-300BLK-7-P View Details

$145.80

Buy Now · $145.80

Last Updated:

Aug 29, 2026 11:28 PM

Rosco Manufacturing Husky Barrel, 10.30" Chrome Lined Phosphate 4150 CMV Barrel 1/2"x28 Thread 5.56 NATO - HSK-103-SOC-556-7-C-CL

Rosco Manufacturing Husky Barrel, 10.30" Chrome Lined Phosphate 4150 CMV Barrel 1/2"x28 Thread 5.56 NATO - HSK-103-SOC-556-7-C-CL View Details

$158.40

Buy Now · $158.40

Last Updated:

Aug 29, 2026 11:28 PM

Rosco Manufacturing Bloodline Barrel, 10.50" Nitride 4150 CMV Barrel 1/2"x28 Thread 5.56 NATO - BL-105-M4-556-7-C

Rosco Manufacturing Bloodline Barrel, 10.50" Nitride 4150 CMV Barrel 1/2"x28 Thread 5.56 NATO - BL-105-M4-556-7-C View Details

$144.90

Buy Now · $144.90

Last Updated:

Aug 29, 2026 11:28 PM

Rosco Manufacturing Bolt Carrier Group, Black Melonite Stainless Steel Rifle 5.56/300 Blackout - ROS-BCG-001

Rosco Manufacturing Bolt Carrier Group, Black Melonite Stainless Steel Rifle 5.56/300 Blackout - ROS-BCG-001 View Details

$152.99

Buy Now · $152.99

Last Updated:

Aug 29, 2026 11:28 PM

Rosco Manufacturing Rifle Length Gas Tube, Black Nitride - ROS-GT-R-001

Rosco Manufacturing Rifle Length Gas Tube, Black Nitride - ROS-GT-R-001 View Details

$24.79

Buy Now · $24.79

Last Updated:

Aug 29, 2026 11:28 PM

Rosco Manufacturing Mid-Length Gas Tube, Black Nitride - ROS-GT-M-001

Rosco Manufacturing Mid-Length Gas Tube, Black Nitride - ROS-GT-M-001 View Details

$23.79

Buy Now · $23.79

Last Updated:

Aug 29, 2026 11:28 PM

Rosco Manufacturing Carbine Length Gas Tube, Black Nitride - OS-GT-C-001

Rosco Manufacturing Carbine Length Gas Tube, Black Nitride - OS-GT-C-001 View Details

$22.69

Buy Now · $22.69

Last Updated:

Aug 29, 2026 11:28 PM

Rosco Manufacturing Pistol Length Gas Tube, Black Nitride - ROS-GT-P-001

Rosco Manufacturing Pistol Length Gas Tube, Black Nitride - ROS-GT-P-001 View Details

$21.59

Buy Now · $21.59