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Bloodline 16” M4 5.56 NATO (Mid-Length) – BLEMISHED

From: Original price was: $176.00.Current price is: $115.00.

COSMETIC BLEMISH.  Offering these 16″ Mid Length Barrels at a discounted price due to the variation of the Nitride at the muzzle end, after the Gas Journal.  Please note the visual difference is pre-nitride, is purely cosmetic and will not affect fit or function. Please see photos for reference.

This 16″ M4 5.56 NATO Mid-Length barrel was designed around the USASOC specs for an Improved Upper Receiver Group with a little bit of the Rosco touch as well. The longer gas system allows for a smoother gas curve which leads to managed dwell times. This combo creates a great balance of speed and performance.

(2 customer reviews)

Non-Adjustable Gas Block, v2

Our v2 Non-Adjustable Gas Blocks feature the same 'Bloodline' dependability, with improvements for the modern shooter.  We added a knockout hole at the front of the gas block to aide in removing the gas tube. Also featuring improved tolerances and finishes, making the v2 Gas Block a staple for years to come.

In stock

COSMETIC BLEMISH.  Offering these 16″ Mid Length Barrels at a discounted price due to the variation of the Nitride at the muzzle end, after the Gas Journal.  Please note the visual difference is pre-nitride, is purely cosmetic and will not affect fit or function. Please see photos for reference. 

16″ M4 5.56 NATO Mid-Length Bloodline Barrel (Mid-Length): This 16″ M4 5.56 NATO Mid-Length barrel was designed around the USASOC specs for an Improved Upper Receiver Group with a little bit of the Rosco touch as well. The longer gas system allows for a smoother gas curve which leads to managed dwell times. This combo creates a great balance of speed and performance.

Our Rosco 5.56 (NATO) barrels are designed to meet the modern day carbine shooters requirements. We are a long way from our daddy’s “Sporter” AR, and those specs just won’t cut it anymore. From properly managed dwell times for SBR’s, to running Suppressed, or setting up a balanced patrol carbine we have incorporated your needs into our engineering. We have successfully accomplished this by picking the right twist rates, gas port diameters, and barrel materials according to the barrel we are making (not a lazy blanket method). We have also balanced input from our consumers and military end users in order to bring you the product you need, not just the one we want to sell you.

Barrel Length 16″
Barrel Weight 28.97oz
Barrel Material 4150 CMV
Barrel Caliber 5.56
Barrel Profile

M4

Twist

1/7

Barrel Thread

1/2 x 28

Gas Block Size

.750

Gas System Length

Mid-Length
Barrel Crown

11 Degree

Barrel Finish

Nitride

Barrel Extension Finish

Nitride

 

Browse all of our 5.56 NATO Bloodline Barrels >>

Additional information

Weight 2.0 lbs
Dimensions 19.5 × 2.3 × 2.2 in

Non-Adjustable Gas Block, v2

Weight 1 lbs
Dimensions 4 × 1.5 × 1.5 in

2 reviews for Bloodline 16” M4 5.56 NATO (Mid-Length) – BLEMISHED

  1. Chuck Hatle (verified owner)

    My experience has been good. Shipped timely, I ordered a blemished bloodline . I couldn’t find anything that would bother me about the finish where blemishes were. Barrel was machined smoothly and best of all it was dimpled for gas block! I put it on a BCM upper and it shoots beautifully tight groups. I can’t ask for more for what I paid for it! I will use Roscoe again for future builds!

  2. David Woods (verified owner)

    So far really good barrel. I have yet to install it on my recce/predator build. The machining on the barrel looks very nice, I love that there is a dimple for the gas block, I am looking forward to installing it this time around compared to other non dimpled barrels (I use an alignment tool and bore scope to triple check). The blemished areas on the barrel don’t bother me at all, it is going to be covered by a handguard after all. Though I do appreciate the Rosco actually has photos of where the blemishes are and what they look like, that small thing has my respect. It is nice to have transparency.

    A side note is the fast shipping, I was pleasantly surprised, also love the packaging, it just looks good. Keep up the good work Rosco!

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