April 24, 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
Home308 barrel length comparison

308 barrel length comparison

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 […]

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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Customizing a Savage Model-10 Hunting Rifle

Rifles
April 27, 2017 0

Tikka T3 review

Reviews
February 27, 2017 0

6.5 Creedmoor reloading: Effects of cartridge overall length (OAL) on 142 gr Sierra MatchKing

6.5 Creedmoor
September 7, 2015 0

Cerakote USMC Red (H-167) rifle

Rifles
February 3, 2016 0

Schmidt and Bender 5-45×56 PM II High Power Review

Optics
October 22, 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!
300 Winchester Magnum: How Does Barrel Length Change Velocity- A 16" 300 Win Mag?
Review: Mossberg MVP Patrol 5.56mm NATO (223 Remington) and 7.62 NATO (308 Winchester)
Ruger American Rifle Predator 223 Review
Building a Custom Ruger American Rifle
Budget precision rifle: Customizing the Savage Axis
Review: Howa MINIACTION 7.62x39
Review: Remington 700 SPS Varmint

5 Great gift ideas for shooters and reloaders!

Accuracy testing a 16″ carbine: Daniel Defense Hammer Forged Barrel

Review: Tactical Rifle Operator with Paul Howe

Tactical Bolt Knob Installation


 

 

 

 

 

Rifle stock or chassis?

November 16, 2015 0

Review: Shooting the MAGPUL Hunter 700 Stock

July 11, 2016 0

NRL22- Precision Rimfire Competitions

May 20, 2018 0

Remington 870 Flexitab system and parts identification

March 15, 2015 0

Modular Driven Technologies (MDT) Elite Sniper System (ESS) chassis review

January 16, 2017 0

Glock firing pin channel removal and replacement

September 1, 2015 0

Understanding shotgun back bore

July 24, 2015 0

Removing pinned and welded muzzle devices

December 1, 2019 0

Building a Custom Ruger American Rifle

November 12, 2017 0

Remington 870 extractor identification: MIM v. bar stock

April 29, 2018 0

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  • 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
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