Latest News

Rental Protection Plan, 4D Reamer Rentals LTD

We at 4D Reamer Rentals LTD have long had requests for some kind of protection policy against the cost of broken, damaged or lost tools.There are a lot of considerations when creating such a plan to help protect our clients from possible expenses.  So we surveyed clients to see what they wanted in a protection… Read more »

How is Covid 19 Affecting 4D Reamer Rentals?

The short answer is we are busier than ever before! The long answer: Maybe you have seen the stats lately that record numbers of guns have been sold the last couple of months.  Well, that translates into more business for 4D as well. You see gunsmiths have to fix all those new guns in addition… Read more »

Gunstock How To Book Joins the 4D Family of Titles

Serman L. Mays a stock maker with more than 40 years of hands on experience making, finishing and checkering stocks decided a few years back to write a couple of books to help noobs (New Bees) get started in the trade with fewer mistakes and faster success.  His book on stock making is one result… Read more »

4th Book in the “Gunsmithing Student Handbook Series” is Now in Print!

Being in the gun business for almost 40 years now I have become acutely aware if the lack of basics being taught in schools.  In particular in Occupational Trades institutions. Before you send me a nasty gram defending your favorite school keep in mind I teach at one of these colleges and have friends at… Read more »

Checkering by S.L. Mays

We recently put “Checkering, a book of checkering for the beginner” Back in print.  This popular book deserved a second printing, so we did just that. It’s already on Amazon, on our site and soon will be in the hands of other book sellers. Just as the title indicates, this is a book that you can… Read more »

4D-reamer-rentals

Forster Headspace Gauges.

We stock Forster Headspace gauges for sale.

After Market Pistol Barrels

In 2018 a new condition became obvious to us here at 4D Reamer Rentals LTD. In the past we saw certain reamers receive damage because of aftermarket cylinders out of Russia or China.  They were hardened by the maker to the point that only Carbide tooling could be used on them successfully.  We had clients… Read more »

Why all the Fine Print?

This week I really had to laugh! First, I had a client accuse us of using fine print, “the tool of Lawyers everywhere”!  or something like that? Next complaint from a different client, “You don’t spell it out clearly enough!” Bottom line, you can’t please everyone, or at least this week, we can’t please anyone… … Read more »

Special Offer!

We have a limited supply of  South Bend Lathe nostalgic wall clocks (14″ diameter) to give away with qualifying orders.  These are very nice quality and look great in the Shop or the Man Cave. Order $200 or more in purchases or rentals on one invoice.  When you do, enter the coupon code: SBC at… Read more »

What is chip welding?

The Chamber reamers that we carry at 4D Reamer Rentals LTD are all High Speed Steel (HSS). When we inspect reamers upon return from rental we look for a few things. Obvious damage of any kind. (dings, chips, modifications, burns, rounded edges to name a few) Dirt/metal chips from the reaming process Oil (in excess)… Read more »

MEASURING FOR SCREW-IN CHOKES (Shotgun)

Before accepting a barrel for machining to accept screw-in chokes, you must measure the outside diameter (O.D.) to determine if there will be sufficient wall thickness after machining. “Mike” the O.D. of the barrel and the O.D. of the tap for the particular gauge. Subtract the O.D. of the tap from that of the barrel,… Read more »