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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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Aimpoint T1 Micro 2MOA Review

Carbine Basics
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AR15/M16 Bolt Radius Scraper Review

Accessories
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Remington 870 v Mossberg 500 v Mossberg 590: Comparative design notes

Shotguns
September 10, 2017 0

Cerakote Firearm Refinishing

Gunsmithing
November 3, 2012 0

Remington Model Seven (Model 7) Versus The Model 700

Gunsmithing
May 23, 2015 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!
Howa 1500 Review
223 Remington/ 5.56mm NATO barrel length and velocity: 26 inches to 6 inches
Review: Mossberg MVP Patrol 5.56mm NATO (223 Remington) and 7.62 NATO (308 Winchester)
Budget precision rifle: Customizing the Savage Axis
Colt M45A1 Review: USMC Pistol Review
Howa 1500 barreled action review: Howa 1500 versus Remington 700
Ruger American Rifle Predator 223 Review
M24 Sniper Rifle Review

3-Gun Rifle Review

Modular Driven Technologies (MDT) Elite Sniper System (ESS) chassis review

Review: Primal Rights Competition Primer Seater (CPS)

Completing an 80% 10/22 Select Fire LLC RAZOR Semiautomatic Receiver


 

 

 

 

 

HK VP9 Review: A Glock guy shoots the HK

June 18, 2017 0

FN SCAR Review: A Shootist’s Odyssey: SCARd For Life

July 4, 2011 3

224 VALKYRIE- Effect of barrel length on velocity

February 25, 2018 0

CZ P-10C review

December 5, 2017 0

Does primer size matter? PART-2 CCI 200 v CCI 400

July 2, 2018 0

AR-180 Magazines: Modifying AR-15/M16 M4 magazines to fit an AR-180

July 21, 2019 0

Building a custom 7mm Rem Mag Hunting Rifle-PART 1

June 25, 2022 0

Custom Remington 870 Defense Shotgun

May 7, 2013 0

Installing a LimbSaver grind-to-fit recoil pad

December 9, 2018 0

Building a Custom 308 Precision Chassis Rifle- PART 3- Cutting the chamber, final assembly and test fire

April 29, 2022 0

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