February 12, 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
HomePGW PVS-22 mount

PGW PVS-22 mount

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 […]

Gunsmithing

USMC M40A5 Build- Part 5: Bedding and final assembly

December 16, 2015 Bill Marr 0

Welcome to the final installment of Rifleshooter.com’s USMC M40A5 build series, USMC M40A5 Build- Part 5: Bedding and final assembly.  To read the rest of the series, see: Remington 700 (USMC M40A1, M40A3, M40A5) Q&A: […]

Gunsmithing

USMC M40A5 Build-Part 2: Lug slotting the receiver

April 19, 2015 Bill Marr 0

USMC M40A5 Build-Part 2: Lug slotting the receiver USMC M40A5 Build- Part 1: Gathering the Parts provided an overview of the parts required to complete an M40A5 (or M40A3).  In Part 2 of this series, the receiver […]

Gunsmithing

USMC M40A5 Build- Part 1: Gathering the Parts

February 16, 2015 Bill Marr 0

To read Rifleshooter.com’s M40A5 Build Series, see: Remington 700 (USMC M40A1, M40A3, M40A5) Q&A: What is a clip slot? Lug slot? Lugged base? USMC M40A5 Build- Part 1: Gathering the Parts USMC M40A5 Build-Part 2: […]

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Easy cosmoline removal

Gunsmithing
February 4, 2018 0

Savage B22 Precision Rimfire Rifle Review

Reviews
December 5, 2020 0

Brownells Retro Rifle XBRNM16E1 Review: Initial Impressions

Historical firearms
January 23, 2018 0

Mako/Fab AGR 870-FKSB AR15/M4 Collapsible Buttstock with Shock Absorber for Remington 870

Reviews
July 2, 2011 2

Rock River Arms Mid Length Carbine Kaboom!

New
September 23, 2012 0
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
Remington Model 4, 742, 7400 disassembly notes
Budget precision rifle: Customizing the Savage Axis
Ruger American Rifle Predator 223 Review
Review: Mossberg MVP Patrol 5.56mm NATO (223 Remington) and 7.62 NATO (308 Winchester)
300 Winchester Magnum: How Does Barrel Length Change Velocity- A 16" 300 Win Mag?
Building a USMC M40A3: Cloning the Marine Corps Sniper Rifle from 1999-2009
308 Winchester/ 7.62x51mm NATO Short barrel length and velocity- A six inch 308 bolt gun?

5 Great gift ideas for shooters and reloaders!

M24 Accuracy with M80 Ball Ammunition?

Maynard Model 1 Breechloading Carbine

Porting a shotgun barrel with a drill


 

 

 

 

 

My bolt won’t close! Troubleshooting seized ejectors

November 24, 2019 0

Installing Novak sights on a PPK /PPK CLONE

May 19, 2019 0

Customizing a Remington V3 Shotgun

November 21, 2020 0

Tactical Shotgun Build: Back Boring a Barrel and Lengthening a Forcing Cone to Increase Performance

July 4, 2012 0

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

May 27, 2013 0

Refreshing a poorly machined Remington 700 action

July 19, 2014 0

Easy cosmoline removal

February 4, 2018 0

External Remington 700 bolt stop- no step cut installation- method 2

July 18, 2013 0

Remington Model 4, 742, 7400 disassembly notes

December 15, 2019 0

Blueprinting a Remington 700 Action

February 18, 2013 0

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  • The A-Team Mini-14? Customizing a Ruger Mini-14
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