April 17, 2026
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rifleshooter.com

Bill Marr's journal of shooting, reloading and gunsmithing

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What's new?
  • [ January 26, 2025 ] 782 Custom Gunworks “HUNDO” Loading Block Editorial
  • [ January 26, 2025 ] How do rifle suppressors affect muzzle velocity? Precision Rifles
  • [ May 31, 2023 ] The A-Team Mini-14? Customizing a Ruger Mini-14 A-Team
  • [ April 30, 2023 ] Removing stripped and sheared screws from a rifle Gunsmithing
  • [ February 28, 2023 ] Cut and Crown a Winchester 94 30-30 Gunsmithing
HomeProof Research

Proof Research

6.5 Creedmoor

6.5 Creedmoor loads: 107 SMK IMR 8208 XBR and 142 SMK Superformance

August 21, 2017 Bill Marr 0

6.5 Creedmoor loads: 107 SMK IMR 8208 XBR and 142 SMK Superformance 6.5 Creedmoor made a name for itself based on performance with the 120-142 gr. class bullets.  Unlike older cartridges such as the 308 […]

Cartridge Selection

6.5 Creedmoor loads: 142 gr. and 140 gr. SMK with H4350

August 6, 2017 Bill Marr 0

6.5 Creedmoor loads: 142 gr. and 140 gr. SMK with H4350 I hate to say it, but I guess I drank the 6.5 Creedmoor Kool-Aide.  I’ve posted quite a bit of load development for the […]

Competition

A look at how rifle barrels speed up: Measuring the increase of muzzle velocity in new barrels

July 31, 2017 Bill Marr 0

A look at how rifle barrels speed up: Measuring the increase of muzzle velocity in new barrels Seasoned shooters and barrel makers will often tell you new rifle barrels speed up.  Normally they say something […]

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Modular Driven Technologies (MDT) LSS Chassis Review

Accessories
January 2, 2015 0

Reloading 6.5 Creedmoor with Reloder 16 (RL16) and the 142 and 150 Sierra MatchKing (SMK)

6.5 Creedmoor
November 19, 2017 0

Remington 870 ejector spring replacement

Gunsmithing
April 6, 2019 0

Installing a SAKO extractor in a Remington 700/ Model Seven

Gunsmithing
February 10, 2016 0

Worst case scenario: pin and screw removal-EDM machining in gunsmithing

Gunsmithing
October 2, 2018 0
308 Winchester / 7.62x51mm NATO: Barrel Length versus Velocity (28" to 16.5")
223 Remington/ 5.56mm NATO barrel length and velocity: 26 inches to 6 inches
6.5 Creedmoor- Effect of Barrel Length on Velocity: Cutting up a Creedmoor!
Howa 1500 barreled action review: Howa 1500 versus Remington 700
Budget precision rifle: Customizing the Savage Axis
300 Winchester Magnum: How Does Barrel Length Change Velocity- A 16" 300 Win Mag?
M24 Sniper Rifle Review
243 Winchester- Effect of barrel length on velocity
Ruger American Rifle Predator 223 Review
Review: Mossberg MVP Patrol 5.56mm NATO (223 Remington) and 7.62 NATO (308 Winchester)

Remington 870 Tactical Shotgun Build

Lathe Centering Bar Ensures Centers Are Aligned

Customizing the 1911: countersink and flush cut slide stop pin

Factory 6.5 Creedmoor Ammunition Accuracy


 

 

 

 

 

Beretta M1951 mystery- cutting our way to the truth

December 4, 2020 0

Easy cosmoline removal

February 4, 2018 0

Custom Cut Down Over and Under Shotgun

July 30, 2020 0

Custom Remington 700 6.5×47 Lapua Build

April 18, 2015 0

Reloading the 7.62×39 mm Russian: Load development with 125 and 150 gr. bullets

April 17, 2017 0

Barreling a Winchester Model 70 with a Remington 700 sporter barrel

April 8, 2017 0

Custom Cut Down Over and Under Shotgun

July 30, 2020 0

AR15 Barrel Threading

December 26, 2012 0

Badger Ordnance FTE Brake Installation

December 1, 2013 0

Improved belt sander table (tooling plate)

March 22, 2019 0

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Recent Posts
  • 782 Custom Gunworks “HUNDO” Loading Block
  • How do rifle suppressors affect muzzle velocity?
  • The A-Team Mini-14? Customizing a Ruger Mini-14
  • Removing stripped and sheared screws from a rifle
  • Cut and Crown a Winchester 94 30-30
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