March 13, 2026
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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
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6.5 Creedmoor

Building a custom Savage Model 10 in 6.5 Creedmoor

March 21, 2016 Bill Marr 0

Savage Arms manufactures accurate rifles.  My Savage Model 10 FCP-SR wasn’t the best out of the box, changing the factory stock for a MDT LSS chassis system made the gun shoot significantly better.   Always […]

6.5 Creedmoor

6.5 Creedmoor- Effect of Barrel Length on Velocity: Cutting up a Creedmoor!

February 22, 2016 Bill Marr 0

Since its introduction by Hornady in 2007, the 6.5 Creedmoor (sometimes shortened to Creed) has established a strong foothold in the US rifle market.  The 6.5 Creedmoor balances the excellent external ballistics of .264″ diameter bullets […]

Barrel length

308 Winchester/ 7.62x51mm NATO Short barrel length and velocity- A six inch 308 bolt gun?

February 1, 2016 Bill Marr 0

I woke up early that morning.  It was only a few days after a historic blizzard passed through my state.  Stir crazy, I couldn’t wait to get outside.  The chill from my snow covered feet […]

Precision Rifles

308 Winchester 175 Sierra MatchKing Ladder Test with Varget and IMR 4064

February 6, 2015 Bill Marr 0

I often utilize traditional methods to develop hand loads for my rifles.  Normally, I’ll load five rounds of a given charge in .3 grain increments for a given powder (some shooters load 3, or 6, for […]

Cartridge Selection

6.5 Grendel Review: 18″ Special Purpose Rifle

February 1, 2015 Bill Marr 0

The 6.5 Grendel was created as a 200-800 yard cartridge to fit into a standard AR-15 magazine.  Based on the 220 Russian cartridge (the parent case utilized for the 7.62x39mm, 5.45x39mm and the 6PPC), the 6.5 […]

Barrel length

308 Winchester Barrel Length and Velocity: Winchester 147 grain FMJ

January 24, 2015 Bill Marr 0

Introduction I cut back a 28″ barrel 308 Winchester one inch at a time, to 16.5″, and recorded velocity data for four different cartridges.  The data was summarized in 308 Winchester / 7.62x51mm NATO: Barrel Length […]

Barrel length

7.62x51mm NATO (308 Win) Barrel Length and Velocity: IMI Samson 150 grain FMJ

January 24, 2015 Bill Marr 0

Introduction I cut back a 28″ barrel 308 Winchester one inch at a time, to 16.5″, and recorded velocity data for four different cartridges.  The data was summarized in 308 Winchester / 7.62x51mm NATO: Barrel Length […]

Barrel length

308 Winchester Barrel Length and Velocity: Federal 168 grain Gold Medal BTHP

January 24, 2015 Bill Marr 0

Introduction I cut back a 28″ barrel 308 Winchester one inch at a time, to 16.5″, and recorded velocity data for four different cartridges.  The data was summarized in 308 Winchester / 7.62x51mm NATO: Barrel Length […]

Barrel length

308 Winchester Barrel Length and Velocity: Winchester Super X 180 grain Power-Point

January 24, 2015 Bill Marr 0

Introduction I cut back a 28″ barrel 308 Winchester one inch at a time, to 16.5″, and recorded velocity data for four different cartridges.  The data was summarized in 308 Winchester / 7.62x51mm NATO: Barrel Length […]

Barrel length

308 Winchester / 7.62x51mm NATO: Barrel Length versus Velocity (28″ to 16.5″)

December 27, 2014 Bill Marr 0

308 Winchester / 7.62x51mm NATO: Barrel Length versus Velocity (28″ to 16.5″) Introduction Released by Winchester in 1952 (and adopted by NATO in 1954 as the 7.62x51mm NATO), the 308 Winchester has gained universal acceptance amongst […]

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Happy 240th Birthday Marines!

Other
November 10, 2015 0

Building a 9mm Bolt Action Rifle

Gunsmithing
October 27, 2019 0

Rifleshooter.com’s Shotgun Buckshot Standards

Standards
July 16, 2011 1

EOTech Integrated Fore-End Light (IFL) Review

Accessories
January 20, 2013 0

Do rifle barrel coolers work?

Reviews
August 2, 2017 0
223 Remington/ 5.56mm NATO barrel length and velocity: 26 inches to 6 inches
308 Winchester / 7.62x51mm NATO: Barrel Length versus Velocity (28" to 16.5")
6.5 Creedmoor- Effect of Barrel Length on Velocity: Cutting up a Creedmoor!
Ruger American Rifle Predator 223 Review
Review: Shooting the MAGPUL Ruger 10/22 Hunter X-22 Stock
Howa 1500 barreled action review: Howa 1500 versus Remington 700
223 Ackley Improved (223AI) loads and review: A better 223?
Colt M45A1 Review: USMC Pistol Review
308 Winchester/ 7.62x51mm NATO Short barrel length and velocity- A six inch 308 bolt gun?
Budget precision rifle: Customizing the Savage Axis

Custom 1911 Project: Part 7- machining ball cuts on a 1911 slide

Beretta M1951 mystery- cutting our way to the truth

Building a Custom Remington 700 .308 Tactical Rifle

Building a custom 7mm Rem Mag Hunting Rifle-PART 1


 

 

 

 

 

Elcan SpecterDR 1-4x Dual Field-of-View Optical Sight Review

December 19, 2014 0

SHOCKING SHOCKWAVES: Rem TAC-14 v. Mossberg 590 SHOCKWAVE review, part 2

July 12, 2017 0

AKARS Holds Zero- Part 3

February 19, 2013 0

Remington 700 offset external bolt stop installation

July 20, 2014 0

Cerakote Firearm Refinishing

November 3, 2012 0

Remington 700 8-40 scope base conversion

October 15, 2014 0

Installing Venom’s Antidote muzzle brake & tactical gas block on an AK (Kalashnikov) barrel- cut, crown and thread an AK barrel

May 27, 2013 0

Cut and Crown a Winchester 94 30-30

February 28, 2023 0

Tactical Bolt Knob Installation

February 13, 2013 0

Removing pinned and welded muzzle devices

December 1, 2019 0

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  • 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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