January 23, 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 Winchester

308 Winchester

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 […]

Gunsmithing

Building a USMC M40A3: Cloning the Marine Corps Sniper Rifle from 1999-2009

January 4, 2016 Bill Marr 0

In this post Rifleshooter.com will build a clone of the United States Marine Corps M40A3 Sniper Rifle. Replacing the M40A1 in 1999, and used by the Marines until 2009, the M40A3 is characterized by its […]

Precision Rifles

Custom Left-Hand Remington 700 in 308 Winchester Precision Rifle

August 3, 2015 Bill Marr 0

This is a custom Remington 700 precision rifle I built with my friend.  It is a collection of old and new parts. New parts purchased were a Remington 700 Left-Hand short action receiver with .308 bolt […]

Reviews

Creedmoor Ammunition Review: 308 Winchester 175 Grain Scenar

July 10, 2015 Bill Marr 0

Creedmoor Sports, located in Anniston, Alabama, is a company well known in the high power rifle competition circuit.  Recently, they began producing their own line of ammunition.  While there are plenty of companies offering loaded […]

Precision Rifles

Sierra .30 Caliber/7.62MM 175 Grain HPBT Tipped MatchKing (TMK) Load Development and Review: 308 Winchester and Varget

June 28, 2015 Bill Marr 0

The .30 Caliber/7.62MM (.308) 175 Grain HPBT Sierra MatchKing (SMK) is the gold standard for 308 Winchester precision rifle shooters.  In January 2015, Sierra introduced a .30 Caliber/7.62MM (.308) 175 Grain HPBT Tipped MatchKing (TMK) […]

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 […]

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 […]

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Installing a PVS 22/27 mount on a bolt action rifle: McCann Industries SIRS

Gunsmithing
May 27, 2013 0

Review: Modular Driven Technologies (MDT) LSS Chassis for Savage Model 10

Accessories
March 7, 2016 0

6.5 Creedmoor loads: 123 SMK and 130 TMK with VARGET

6.5 Creedmoor
August 20, 2017 0

My MagnetoSpeed V3 BROKE!!!

Editorial
November 11, 2017 0

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

Reviews
July 12, 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?
Ruger American Rifle Predator 223 Review
Budget precision rifle: Customizing the Savage Axis
Review: Shooting the MAGPUL Ruger 10/22 Hunter X-22 Stock
243 Winchester- Effect of barrel length on velocity
7.62x39 mm Russian: Effect of barrel length on muzzle velocity
308 Winchester/ 7.62x51mm NATO Short barrel length and velocity- A six inch 308 bolt gun?

Kynshot recoil reduction stock for the Remington 870

7.62×39 mm Russian: Effect of barrel length on muzzle velocity

6.5 Creedmoor Load Development: Short barrel (16.5″) suppressed and non-suppressed load development, 147 ELD and H4350

Why not 308? The battle between 6.5 Creedmoor, 6.5×47 Lapua, 260 Rem, 243 Win, 6BR, 6×47 Lapua, and 6 Creedmoor


 

 

 

 

 

6.5 Creedmoor load development: Hornady 147 ELD with H4350 and H4831SC

July 27, 2018 0

Kaboom!!! 300 BLK in 5.56/223 AR-15!

June 2, 2019 0

Does primer size matter? 6.5 Creedmoor small v. large rifle primer brass comparisons

May 28, 2018 0

Review: Primal Rights Competition Primer Seater (CPS)

May 11, 2017 0

Changing the rear sight blade on a Smith and Wesson revolver

March 21, 2019 0

Daewoo K2, DR-200/DR-300 barrel removal

March 23, 2019 0

AR15 Rebuild Build: Updating the Musket

September 12, 2011 0

Bedding an HS Precision Stock

January 2, 2017 0

Cerakote Firearm Refinishing

November 3, 2012 0

Custom Remington 700 223 Wylde

August 6, 2014 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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