Bill Marr

Chambering a rifle barrel between centers

September 28, 2014 Bill Marr 0

When you chamber (or fit) a barrel blank to a rifle you have to cut it on a lathe. There are two basic ways to do this: one is to mount the barrel blank through the […]

Bipod rail installation (Atlas bipod adapter)

September 28, 2014 Bill Marr 0

Bipods have come along way in the past few years. Some of the newer, sturdier designs like the Atlas and Sierra 7 require a Picatinny (1913) rail to mount them to your rifle. If you […]

Short Barrel 338 Lapua Magnum Load Development Results

September 26, 2014 Bill Marr 0

Designed to bridge the gap between 308 Winchester/7.62 NATO and 50 BMG, the 338 Lapua Magnum (8.6×70) has developed an impressive following with long range shooters. When I built mine, I settled on a 22″ barrel, […]

Building a 300 Winchester Magnum Precision Rifle

September 18, 2014 Bill Marr 0

I am a huge 300 Winchester Magnum fan. I took a hacksaw and Sawzall to one in 300 Winchester Magnum: How Does Barrel Length Change Velocity- A 16″ 300 Win Mag? And if that wasn’t ridiculous […]

Re-chambering a barrel: 243 Winchester to 6×47 Lapua

September 14, 2014 Bill Marr 0

Often high-volume shooters will re-chamber or set back a used barrel. Most do it to change calibers or give a worn throat new life. You need to have enough barrel shank to set back a […]

Rifle bedding: How to bed a match rifle

September 13, 2014 Bill Marr 0

Bedding a rifle increases accuracy by creating a precise fit between the stock and the action. This precise fit eliminates stress in the action and provides a solid foundation for an accurate rifle. My friend […]

6.5 X 47 Lapua Range Report

August 13, 2014 Bill Marr 0

Designed to work in short action rifles with a standard .308 bolt face, feed reliably from detachable box magazines and utilize small rifle primers, the 6.5 X 47 Lapua has been an absolute pleasure to […]

Custom Remington 700 223 Wylde

August 6, 2014 Bill Marr 0

When my friend let me cut up his rifle for 223 Remington/5.56 NATO, velocity versus barrel length: A man, his chop box and his friend’s rifle, I also agreed to help him rebuild it. We used […]

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 […]