May 9, 2025
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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
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Reloading

6.5 Creedmoor

6.5 Creedmoor load development: 16.5 inch barrel, 123 SMK and 140 SMK

March 28, 2016 Bill Marr 0

6.5 Creedmoor 16.5″ barrel load development for the 123 grain Sierra MatchKing (SMK) and 140 grain Sierra MatchKing (SMK) When I rebuilt my Savage 10 FCP-SR into a custom 6.5 Creedmoor, I settled on a […]

7.62x39

Ammunition concentricity and accuracy: Testing the effect of run-out on precision

February 8, 2016 Bill Marr 0

What is cartridge concentricity?  Cartridge concentricity is how straight a cartridge is along it’s center axis.  The straighter the round, the lower the concentricity. Ammunition concentricity is measured using a method called Total Indicator Runout (T.I.R.)- sometimes […]

Precision Rifles

308 Winchester 175 Sierra MatchKing and IMR 4064 load development

January 11, 2016 Bill Marr 0

308 Winchester load development with the Sierra 175 grain MatchKing (SMK) and IMR 4064 Powder. In this post, I’ll be developing a load for my M40A3 clone.  Built on a customized Remington 700 receiver, the […]

6.5 Creedmoor

Lapua 6.5 Creedmoor Brass: Forming 6.5 Creedmoor cases from 22-250 brass

November 2, 2015 Bill Marr 0

Use of the 260 Remington in shooting competitions helped introduce a generation of US rifle competitors to 6.5mm cartridges.  While long appreciated in Europe, the 6.5mm has developed a strong following on this side of the Atlantic. […]

6.5 Creedmoor

6.5 Creedmoor load development: 142 grain Sierra MatchKing with Reloader 17 and W760

October 5, 2015 Bill Marr 0

6.5 Creedmoor load development: 142 grain Sierra MatchKing with Reloader 17 and W760 The Sierra 142 grain MatchKing is a popular bullet for 6,5mm shooters.  According to Sierra, the 142 grain SMK has a sectional […]

Reloading

How to remove a stuck case from a sizing die

September 21, 2015 Bill Marr 0

There are two types of reloaders, those who’ve had a case stuck in a die, and those who haven’t yet.  While the pistol reloaders may not experience it as much as the rifle guys, invariably, […]

6.5 Creedmoor

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

September 7, 2015 Bill Marr 0

I’ve had great luck with the 142 grain Sierra MatchKing (SMK) in my custom rifle chambered in 6.5 Creedmoor.  A few posts I’ve read on various forums reported exceptional accuracy with short cartridge lengths placing […]

6.5 Creedmoor

6.5 Creedmoor 123 Sierra MatchKing (SMK) HPBT load development with H4350 and Varget

August 25, 2015 Bill Marr 0

I worked up some loads for my custom 22″ barrel 6.5 Creedmoor precision rifle using Sierra’s 123 Grain MatchKing (SMK) HPBT with Hodgdon Varget and H4350 powder. According to Sierra, the 123 grain SMK has a […]

6.5 Creedmoor

6.5 Creedmoor 142 Sierra MatchKing (SMK) H4350 Load Development

August 6, 2015 Bill Marr 0

I worked up some loads for my custom 6.5 Creedmoor precision rifle with a 22″ barrel using Sierra’s 142 Grain MatchKing (SMK) HPBT and Hodgdon H4350 powder.     According to Sierra, the 142 grain […]

6.5 Creedmoor

6.5 Creedmoor 136 grain Scenar-L OTM Load Development, H4350

August 1, 2015 Bill Marr 0

I’ve taken a few trips to the range developing a load for my 22″ barrel 6.5 Creedmoor precision rifle. The rifle is built with the following components from Brownells: Surgeon 591 action Bartlein 6.5mm 1:8 […]

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Gunsmithing basics: Tapping a blind hole

Gunsmithing
June 24, 2018 0

Remington 870 rebuild- from hunting ducks to home defense

Gunsmithing
May 5, 2014 0

Custom Remington 700 6.5×47 Lapua Build

Gunsmithing
April 18, 2015 0

Mossberg Patriot Review

Hunting
April 11, 2017 0

Sierra Bullets releases 6.5 Creedmoor reloading data

6.5 Creedmoor
January 9, 2017 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
6.5 Creedmoor- Effects of Barrel Length on Velocity 2019
6 Creedmoor barrel length versus muzzle velocity (31 to 17 inches)
308 Winchester/ 7.62x51mm NATO Short barrel length and velocity- A six inch 308 bolt gun?
223 Ackley Improved (223AI) loads and review: A better 223?
M24 Sniper Rifle Review
USMC M40A5 Build- Part 1: Gathering the Parts
Ruger American Rifle Predator 223 Review

Armscor M22 TCM BA Rifle Review

Building a Custom Ruger American Rifle

Custom 1911 Project: Part 6- flat top and chain link top of slide

Customizing a Savage B.Mag Target Rifle


 

 

 

 

 

Short Rifle, Long Range: Testing our 16.5″ 308 Remington 700 out to 635 yards

November 18, 2013 0

300 BLK accuracy problems? Maybe it isn’t you…

August 17, 2016 0

Howa 1500 barrel removal

November 13, 2017 0

Winchester 70, 30-06 Retro Build

July 4, 2018 0

Customizing the 1911: detail work, golf ball reverse plug

December 16, 2017 0

Remington 870 Receiver Scratch Removal

May 25, 2015 0

Cutting a recessed rifle crown

July 26, 2013 0

Customizing a Mossberg MVP 5.56

December 14, 2016 0

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

May 27, 2013 0

Installing Venom’s Antidote muzzle brake & tactical gas block on an AK (Kalashnikov) barrel- cut, crown and thread an AK barrel

May 27, 2013 0

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  • How do rifle suppressors affect muzzle velocity?
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