5X5 Precision

5X5+Manson/Bartlein=Hammer

Reamer choice of champions!

Manson Precision Reamers • Official Chamber Reamer and Headspace Gauge of the PRS

We’re proud to welcome Manson Precision Reamers to the PRS family as a new partner for the 2026 season!

“For 30 years, Manson Precision Reamers has been the gold standard for chamber reamers and headspace gauges. We're proud to announce our partnership as the Official Chamber Reamer and Headspace Gauge of the PRS (Precision Rifle Series). Trusted by top competitors to ensure their match chambers are perfectly spec'd, Manson tooling guarantees a flawless fit for any cartridge, brass, or bullet.” – Manson Precision Reamers

We’re excited to have Manson supporting the shooters, builders, and gunsmiths who make this sport what it is. Welcome to the PRS family, Manson Precision Reamers, the Official Chamber Reamer and Headspace Gauge of the PRS!

Sending some Berger and Lapua factory 308 at Gravestone Precision Shooting range. These two are my favorite!

MDT Sporting Goods
Berger Bullets
Lapua

I don’t make time to build rifles for myself very often… I have a feeling that there will be a love hate love relationship with this sub 10 # 300 Norma Magnum. Wish me luck.