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For over 30 year my shop phone number has been 919 556-0554. I recently upgrading my phone and answering machine. The new phone number is 919 713-3695. I have MARS II in stock ready for shipping. I also have bolt lift kits in stock. Nat Lambeth Custom Guns and Ammunition, LLC

Nathaniel G. Lambeth, Sr, d/b/a Custom Guns and Ammunition, L.L.C. Invented, paid for the original R&D and Prototyping of the Micrometer Adjustable Reamer Stop. Dave Kiff and Pacific Tool & Gauge, INC., made the original parts, The blanks were paid for and shipped to Custom Guns and Ammunition...

Flush System Coolant In 2005 I built a high pressure flush coolant system. The engineers at Rustlic put me on to Rustlic 255R cut 5:1. I have chambered over 5,000 barrels with 50 gallons of recycled coolant. Rustlic 255R is no longer available. The engineers at Rustlic recommended that I...

243 Win or something faster I really like the 243 Win. I also like the 243 AI. But if your going from the 243 Win to something faster, I suggest the 6mm Remington Ackley Improved or the 6mm/284. To convert a factory barrel. From 243 Win to Ackley Improved is a waste of money. Rustystud

308 for 1000 yards in F-Class Palma International rules require a 155-156 grain bullet. F-Class has no bullet weight restrictions. 155-156 grain bullets have a much shorter bearing surface than the longer 185-215 grain 308 bullets. The 155-165 grain bullets to achieve velocity need a...

I have not see any standard reamers centerfire or rimfire where the reamer shaft was not .4375" I know of 50 BMG and 20 mm reamer stops being made for the military.

Spare parts Lee I have not sold spare parts in the past, I have replaced damaged or lost parts. Did you register your original purchase with me. My warranty applies only to my tooling not others tooling. My tooling comes with a registration form that needs to be completed and returned. I don't...

No picture on the web yet Hall I posted you a note on Accurate Shooter thread. Been knocked off once, I will at least make it obvious and more difficult the next time. Thanks Nat

yes, NC considers the sales to originate here. Sorry but I have to collect sales tax on retail sales. Nat

For those who have been patiently waiting for the MARS II (Micrometer Adjustable Reamer Stops) They are now shipping from Custom Guns and Ammunition, L.L.C. (Nathaniel G. Lambeth, Sr.) 15 Sunflower Drive, Youngsville, NC 27596. The MARS II is completely made in North Carolina. It has the...

Charge master issues I used a chargemaster for three years before I encountered an issue that could not be resolved by reprograming. I have since sent 4 charge masters back for replacement. I have fond them to be temperature sensitive. below 65 degrees they become erratic. If you turn the unit...

VFDs: Advice, Do's and Don'ts Two schools of thought: buy one large enough to operate all your equipment, or buy one for each piece of your equipment. The best form of true three phase current without getting it directly from the power company. I think it is actually better. I converted my...

Broughton Barrels The original brains in the North Manufacturing was Dan Muller. Dan left North Manufacturing in 2005 or 2006.

Lower Velocity than anticipated.. There are many factors that can take play in velocity variables: One that you may not have thought about besides throat length and that is bore diameter and land groove ratio. A few years ago I bought a couple dozen barrels from a top Barrel maker and they...

Why Steel Gauges Because Steel Gauges don't Lie. Measuring tools don't always tell the truth. Nat Lambeth

F Class Glass I personally own several 10-50 Sightrons, 8 x 32 Sightrons, 5.5 X 22 Night Forces, 12 x 42 Night Forces, 15 x 55 Night Forces along with a List of others. First I would say forget the straight power scope. The Mirage will kill you with a higher power scope. On hot humid days you...

308 Bullets and Barrel Twist I re-barrel a lot of 308 Winchesters mostly for F-Class and Palma. I do a few for Varmint shooters and Youth shooters. Bullet weights 110-120 I would recommend 1:17 or 1:18 Bullet weights 120- 130 I would recommend 1:15 or 1:16 Bullet weights 140- 156 I would...

Buying Metals It has been my experience ordering steel, aluminum, and other metals is less expensive from larger suppliers. I have bought steel from almost ever major supplier. You can get a 20 foot stick from major suppliers for less than drops from local suppliers. For Steel and stainless...

Flush Systems There are several methodologies with flush systems. The first flush system I ever saw was Willis Fowlers, he used rigid pipe threading oil and a electric drill pump. The second flush system I ever saw was Greg Tannel's system. He used a gear head pump and heavier cutting fluids...

SIII comparison I have both 8 x 32 and 10 x 50 both are great scopes. The issues you may encounter shooting F Class. On bright sunny days mirage becomes a limiting factor. It becomes difficult to see the target with a scope turned up over 25 power. On the other hand on cool cloudy or overcast...