Q&A for Rainier Arms AR Ultramatch MOD2 6.5 Creedmoor Barrel

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Rainier Arms AR Ultramatch MOD2 6.5 Creedmoor Barrel

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Don, member, from TX, United States, asked on August 17, 2024

I bought this barrel but can’t get it into my DPMS AR-10 upper receiver. Do I need a different kind of receiver to get this barrel to fit into it?

Answered by Mije S, member, from CO, United States, on November 25, 2024

If you go online you’ll see several mentions about this, as some barrel extensions vs receivers are a very tight fit for tolerances (which most think is a good thing), and how people had to GENTLY heat the receiver to get it to expand to fit the barrel. Check online!!

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Mije S, member, from CO, United States, asked on November 25, 2024

Type of rifling? That is — 5R, or 6-E, or 3P, or some other? Rainer site does not say (I already asked their site too).

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MrDrProfRay, member, from NV, United States, asked on September 08, 2024

Will these fit on the DD DD5 V4?

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Darin, member, from KS, United States, asked on August 10, 2024

Is this dons or armalite cut?

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Don, guest, from TX, United States, asked on August 01, 2024

How much does this barrel weigh, it’s not in the specs

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chow3220, member, from CA, United States, asked on July 15, 2024

I would like to confirm that the gas block journal diameter is .875in. Rainer arms have it as .936in on their site.

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Drew, member, from NV, United States, asked on June 19, 2024

Would y’all happen to know if this barrel is compatible with a palmetto state armory 6.5 upper?

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Q&A for Rainier Arms AR Ultramatch MOD2 6.5 Creedmoor Barrel — 7 Questions & 1 Answers

I bought this barrel but can’t get it into my DPMS AR-10 upper receiver. Do I need a different kind of receiver to get this barrel to fit into it?

Type of rifling? That is — 5R, or 6-E, or 3P, or some other? Rainer site does not say (I already asked their site too).

Will these fit on the DD DD5 V4?

Is this dons or armalite cut?

How much does this barrel weigh, it’s not in the specs

I would like to confirm that the gas block journal diameter is .875in. Rainer arms have it as .936in on their site.

Would y’all happen to know if this barrel is compatible with a palmetto state armory 6.5 upper?

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Q&A for Rainier Arms AR Ultramatch MOD2 6.5 Creedmoor Barrel — 7 Questions & 1 Answers

I bought this barrel but can’t get it into my DPMS AR-10 upper receiver. Do I need a different kind of receiver to get this barrel to fit into it?

Type of rifling? That is — 5R, or 6-E, or 3P, or some other? Rainer site does not say (I already asked their site too).

Will these fit on the DD DD5 V4?

Is this dons or armalite cut?

How much does this barrel weigh, it’s not in the specs

I would like to confirm that the gas block journal diameter is .875in. Rainer arms have it as .936in on their site.

Would y’all happen to know if this barrel is compatible with a palmetto state armory 6.5 upper?