Bill Marr

Bob Marvel Custom 1911 Classes

August 5, 2014 Bill Marr 0

Bob Marvel will be offering custom 1911 classes in Asheboro, North Carolina. Marvel is well known for his custom 1911s. The cost of the ten day class includes the parts needed for a student […]

Spuhr Ideal Scope Mount System (ISMS)

August 1, 2014 Bill Marr 0

I’ve been using the Spuhr Ideal Scope Mount System (ISMS) on my rifle for the past two years. Equipped with a Picatinny rail interface, the ISMS is machined from a single billet of 7075 Aluminum […]

Muzzle brake shock waves in the sand

July 31, 2014 Bill Marr 0

I was shooting a 300 Winchester Magnum rifle prone and couldn’t understand why my phone was so dusty- that’s when I noticed the shock waves in the sand. The muzzle brake was eight inches above […]

Cerakote tip: Clean out your ejector hole before final assembly

July 26, 2014 Bill Marr 0

Even when I am very careful prepping metal work, abrasives have a habit of getting into hard to reach places. I always use a drill bit to clean out my ejector holes on my bolt […]

BAT Machine’s Model VR 2-Lug Short Action Repeater: A Remington 700 Size Action

July 25, 2014 Bill Marr 0

My friend purchased a BAT Machine Model VR short action (left-handed). This action has a Remington 700 short action footprint so it will work with standard Remington bottom metal. The Model VR action includes an […]

Remington 700 offset external bolt stop installation

July 20, 2014 Bill Marr 0

Remington 700 offset external bolt stop installation: Method 3 In our first post on installing an external bolt stop for an M700, we made a step cut into the receiver above the bolt stop. In the second […]

Refreshing a poorly machined Remington 700 action

July 19, 2014 Bill Marr 0

We are putting a new barrel on the rifle used in 223 Remington/5.56 NATO, velocity versus barrel length: A man, his chop box and his friend’s rifle. When we removed the factory barrel we were shocked […]

Knight’s Armament URX 4 forend: Initial thoughts

July 19, 2014 Bill Marr 0

I ordered a 13″ AR-15/M16 URX 4 forend (100-015-202) from Brownells for an upcoming project. The URX 4 is Knight’s latest rail system offering, utilizing a one piece design with an Integral Barrel Nut (IBN). The top […]

DRD Tactical AR-15/M16 Quick Takedown Build Kit

July 19, 2014 Bill Marr 0

DRD tactical, manufacturer of the exotic Paratus Clandestine Break-Down Rifle, also makes a takedown kit for conventional AR-15/M16 type rifles. The kit consists of a complete upper receiver, barrel nut and front rail. The end […]

Iron sight adjustment made easy

July 18, 2014 Bill Marr 0

If you’e ever struggled to adjust your iron sights, you’ve probably wondered if there was a better way. There is. A simple formula eliminates guess work and allows shooters to make precise adjustments of iron […]