ESR Rimfire Rifle: Precision Engineering for Competitive Shooting
Masterpiece Arms builds world-class rifles, starting with our industry-leading Chassis System, utilizing the best actions and triggers, and incorporating MPA/Spencer 416R hand-lapped barrels. Designed, built, and enhanced by long-range shooters and hunters, our rifles meet the needs of the most discerning shooters.
Unmatched Performance in Rimfire Competitions
The ESR Rimfire Rifle combines our ESR Competition Chassis with an MPA Rimfire Elite Action (Vudoo 360 3 Lug) chambered for rimfire applications. This setup is tailored specifically for PRS/NRL rimfire competitions, offering superior performance and accuracy.
Customizable Barrel Profiles and Muzzle Threads
Available in multiple barrel profiles and muzzle threads, the ESR Rimfire Rifle is designed to meet the diverse needs of competitive shooters. The rifle comes standard with an ATS Barrel Tuner, ensuring optimal performance.
Versatility in Ammunition
The chamber in this rifle is set up to run both Lapua/SK ammo and Eley ammo, accommodating different rim thicknesses with similar bullet profiles. We also offer the ability to chamber the rifle in other configurations based on your preferred ammo. Please reach out with any questions regarding ammunition compatibility.
Twist Rate Options
We offer this rifle with either a 1:12 or 1:16 twist rate. If you need assistance determining the correct twist rate for your application, let us know, and we will help you choose the best option for your needs.
Action:
- MPA Elite Rimfire (Vudoo 360 3-Lug)
- 3 Lug Head
- 60 Degree Bolt Throw
- 30 MOA Scope Rail
- Spiral Fluting
- Black Nitride Coated
- Dual Claw Extractors
- Polished Stainless Action Body
Barrel:
- 416RQ Stainless Steel
- Precision Gun Drilled, Reamed and Honed
- Pull Button Rifled
- Stress Relieved
- Polished
- Hand Lapped
- Bore and Land Inspected on Video Borescope
- Sheffield Air Gage Inspection to .0001″ on Bore and Rifle Land Variation
- Chamber is indicated within .0001″ or less – to the bore of the rifle
- 1:12 or 1:16 Twist Rate
- Variety of Chamber specs available
- MPA Match Custom Heavy Barrel Profile
- Barrel is Crowned (Not Threaded with Clamp on ATS Tuner)
- If you want muzzle threads, please let us know in the comments section at checkout.
Chassis System:
- Masterpiece Arms ESR Chassis
- Magwell Plate System Ready – Mag Blocker Plate Included
- Produced from 6061 Aluminum
- V-Bedding System with Additional clearance for Glass Bedding Action and Straight Section of Barrel
- Adjustable Cheek Riser, Length of Pull
- Built In Bag Rider with Butthook
- Night Vision Bridge
- V4 Spigot Mount (Pic Rail and Arca Swiss Rail)
- Cerakote Finish – Multiple Colors Available
- Built In Inclinometer leveling system
- EVG Grip
- Thumb Notch
- R.A.T. System Compatible
Barrel Tuner:
- ATS Barrel Tuner
Trigger:
- MPA Elite Trigger (Bix n Andy Tac Sport Pro Custom)
- Pull Weight: 4 oz-2 lbs
Rifle Case:
- Plano Basic Rifle Case
Magazine:
- Vudoo Rimfire Polymer 10 Round
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