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Q&A for Rosco Manufacturing Saucepack Bloodline 300 Blk Threaded Rifle Barrel — 11 Questions & 14 Answers

Name Rosco Manufacturing Saucepack Bloodline 300 Blk Threaded Rifle Barrel (5)
As Low As $304.20 Save 10%
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Q
RecceMiguel, member, from TX, United States, asked on August 27, 2022

Does the barrel have dimpling or gas block pinning?

Manufacturer Answer
A
Answered by Rosco Customer Service, Manufacturer from RI, United States, on April 17, 2025

All Rosco brand barrels are dimpled for proper gas block alignment and ease of installaton.

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Q
Cardo, member, from NH, United States, asked on March 06, 2022

With this set up are you able to chamber both 5.56 and 300 blk on the same build ?

A
Answered by Ken Mclacklan, member, from FL, United States, on March 22, 2022

No!!!!!!!!!!!

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Q
Roger Almoguera, member, from PA, United States, asked on June 26, 2025

so much confusion, ( is this a 300 blackout Barrel or not ?) please answer ?? the Barrel is it 300 blackout??

Manufacturer Answer
A
Answered by Rosco Customer Service, Manufacturer from RI, United States, on September 25, 2025

Rosco Saucepacks can be purchased in either 5.56 or .300blk, please pay special attention to the product description for each individual SKU

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Q
JLG68, member, from OH, United States, asked on June 16, 2025

What material is used for the BCG?

Manufacturer Answer
A
Answered by Rosco Customer Service, Manufacturer from RI, United States, on June 25, 2025

Carrier Material: 8620 Steel
Gas Key: 4130 Steel, attached with Grade 8 hardware, properly staked
Cam Pin: Hardened 4340
Firing Pin: 8740 Steel, Mil-Spec, Center-less ground & Hard Chrome coated
Bolt Material: 9310, Properly Heat treated, MPI/HPT
Extractor: 4340 Steel
Ejector: S7 Tool Steel

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Q
Mark, member, from KY, United States, asked on July 30, 2024

How do I know if I’m getting the 5.56 barrel or the 300 Blackout barrel? It does not state that information in the listing.

Manufacturer Answer
A
Answered by Rosco Customer Service, Manufacturer from RI, United States, on June 04, 2025

the caliber will be called out in the description

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Q
Daniel Simpson, member, from TX, United States, asked on June 24, 2024

What size is the gas journal

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on June 24, 2024

Barrels used with the Rosco Manufacturing Bloodline Sauce Pack feature a 0.750" gas journal diameter.

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Q
Brian Gilderman, member, from PA, United States, asked on August 12, 2022

Is the gas block and gas tube already assembled if I buy this kit?

Manufacturer Answer
A
Answered by Rosco Customer Service, Manufacturer from RI, United States, on August 17, 2022

No, assembly is required.

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Q
Kakashi, member, from NV, United States, asked on July 22, 2022

Can .223 be shot out of this 5.56 nato barrel with 5.56/.300 BCG?

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on August 04, 2022

Yes. If a barrel is stamped "5.56" then is is safe to use .223 as well as 5.56. A 5.56 BCG will function for .223, 5.56, and 300 Blackout.

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Q
Baker, member, from IL, United States, asked on March 31, 2022

Is this for 300 blk out?

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on May 18, 2022

All of the Rosco Manufacturing Bloodline Sauce Packs besides one, will include a 5.56 caliber barrel. The 300 Blackout version is MPN:SP-BL-82-300-BCG-GTP-NGB-001.

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Q
Cardo, member, from NH, United States, asked on March 24, 2022

Why does it state 5.56/300 blk out is this just refrence to the BCG? And do you make this same combo for 300 blk out ?? Thank you for your help.

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on May 18, 2022

The Rosco Manufacturing Bloodline Sauce Pack (MPN:SP-BL-82-300-BCG-GTP-NGB-001) is the only kit for 300 Blackout. It is 8.2" in length and features a pistol length gas system. All other Bloodline Sauce Pack's will include a 5.56 caliber barrel.

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