April 11, 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
HomeIMR 8208 XBR

IMR 8208 XBR

Reloading

6.5 Grendel loads in a Howa MINIACTION (6.5 Grendel load development)

February 19, 2018 Bill Marr 0

While the 6.5 Grendel is well established in the AR-15/M16 M4, it’s compact size and perceived long range effectiveness have also made it a desirable choice for low-recoiling bolt-action rifles. Effectively a 6.5-7.62×39 with small […]

Reloading

6.5 Creedmoor load development: Sierra 107 TMK and Varget

February 10, 2018 Bill Marr 0

The current trend in precision rifles is towards longer and heavier rounds.  All too often I read about a new bullet like the 6.5mm 150 gr. Sierra MatchKing (SMK) and go crazy ordering faster twist […]

Cartridge Selection

500 yards with a 223 Remington: Wood stock, solid pilot reamer and Shilen barrel…

July 11, 2017 Bill Marr 0

500 yards with a 223 Remington: Wood stock, solid pilot reamer and Shilen barrel… 223 Remington is a great cartridge that doesn’t get the recognition it deserves.  It is widely available in a myriad of […]

Bullet Selection

223 Ackley Improved (223AI) loads and review: A better 223?

November 28, 2016 Bill Marr 0

223 Ackley Improved: A better 223? Whether it’s simple curiosity or a desire to increase performance, exploring different cartridges is part of being a shooter.  One way to accomplish this is to purchase a new firearm. […]

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Rifleshooter.com’s Shotgun Buckshot Standards

Standards
July 16, 2011 1

Building a custom 300 Blackout (BLK) Precision Rifle

300 BLK
April 11, 2016 0

1911 Front sight Installation

Gunsmithing
April 1, 2013 0

Building a custom Remington 700 hunting rifle

Gunsmithing
October 26, 2015 0

Type 56 SKS Paratrooper Conversion

Gunsmithing
August 16, 2020 0
308 Winchester / 7.62x51mm NATO: Barrel Length versus Velocity (28" to 16.5")
223 Remington/ 5.56mm NATO barrel length and velocity: 26 inches to 6 inches
6.5 Creedmoor- Effect of Barrel Length on Velocity: Cutting up a Creedmoor!
Budget precision rifle: Customizing the Savage Axis
300 Winchester Magnum: How Does Barrel Length Change Velocity- A 16" 300 Win Mag?
223 Ackley Improved (223AI) loads and review: A better 223?
Review: Remington 700 SPS Varmint
Review: Mossberg MVP Patrol 5.56mm NATO (223 Remington) and 7.62 NATO (308 Winchester)
Ruger American Rifle Predator 223 Review
Review: Shooting the MAGPUL Ruger 10/22 Hunter X-22 Stock

MDT LSS XL shines during backcountry hunt in New Mexico

Review: Nightforce B.E.A.S.T. 5-25×56

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

Sheared screw removal (drill and back out method)


 

 

 

 

 

Custom Remington 700 223 Wylde

August 6, 2014 0

Chamber Reamers

April 5, 2015 0

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

September 7, 2015 0

Another 300 BLK in 5.56 Barrel KABOOM!

August 5, 2019 0

Chinese Type 53 Carbine (Mosin) sight removal

September 2, 2018 0

Lengthening a shotgun’s forcing cone

February 3, 2013 0

Installing a muzzle brake between centers

September 2, 2018 0

Countouring a Rifle Barrel Blank

January 25, 2015 0

USMC M40A5 Build- Part 5: Bedding and final assembly

December 16, 2015 0

Remington 870 barrel work: remove rifle sights, cut and crown

August 17, 2015 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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