June 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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ViperSkins upgrade for A.I.C.S

Accessories
February 3, 2013 0

Removing a fixed choke from a shotgun barrel and installing a choke tube system

Gunsmithing
February 19, 2014 0

Building (machining) an AR-15/M16 M4 barrel from a blank

Gunsmithing
May 13, 2014 0

Lapua brass is on sale at Brownells!

Sale
August 3, 2015 0

Remington 870 Tactical Shotgun Build

Gunsmithing
July 6, 2011 6
Howa 1500 barreled action review: Howa 1500 versus Remington 700
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!
223 Remington/ 5.56mm NATO barrel length and velocity: 26 inches to 6 inches
Charter Arms Pitbull .45 ACP Review
Howa 1500 Review
Ruger American Rifle Predator 223 Review
Budget precision rifle: Customizing the Savage Axis
7.62x39 mm Russian: Effect of barrel length on muzzle velocity
16.5 Inch 308 Winchester Precision Rifle: Summary of a Short Rifle

Blueprinting a Remington 700 Action

6 Creedmoor: Review and load development

Mossberg 590 Choke Installation

Lathe Centering Bar Ensures Centers Are Aligned


 

 

 

 

 

Daniel Defense M4 Upper Review

November 1, 2012 0

22 Magnum barrel length and velocity

March 11, 2018 0

Installing a recoil pad on a fiberglass stock

January 30, 2017 0

Remington 870 Police Trade-Ins: Good and Ugly!

May 24, 2015 0

Smith and Wesson Model 39: The gun that wanted to replace the 1911 and helped inspire the modern generation of compact service pistols

December 20, 2015 0

Installing a recoil pad on a fiberglass stock

January 30, 2017 0

Gunsmithing basics: Tapping a blind hole

June 24, 2018 0

Glue on recoil pad installation

November 23, 2019 0

Truing The Bolt On A Remington 700

November 3, 2013 0

Building a custom 260 Remington precision rifle

November 14, 2013 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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