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Can both Small Rifle Primer (SRP) and Large Rifle Primer (LRP) .25 Creedmoor brass be used with this chamber? — 1 Answer

by Johnny Kilos, from TX, United States Asked on August 26, 2026

Name Proof Research Zermatt Origin Drop In Arms Carbon Fiber .25 Creedmoor SRP Threaded Rifle Barrel
$1,149.00 $999.00 Save 13%
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Answered by RyanT, guest, from MT, United States, on September 02, 2026

Yes, both types of brass can be used in this chamber. I not sure why it is called out as an SRP when that does not pertain to SAAMI chamber dimensions.

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Last updated 2026-09-02 UTC.