http://www.humanevents.com/article.php?id=39991

 

The Snubby Revolver: Mechanisms and Maintenance

by Bruce N. Eimer, Ph.D
<http://www.humanevents.com/search.php?author_name=Bruce%20N.+Eimer,%20Ph.D>


11/16/2010

 

http://www.humanevents.com/images/SnubbyArticle_ARTICLE%20PICTURE2.jpgTwo
inch barrel length revolvers are commonly known as "snub noses" or
"snubbies" and are the least accurate of revolvers at distances over 21
feet. They are colloquially called "belly guns" because they are well suited
for close-up work. They lend themselves to deep concealment. Given their
favorable ratio of power to size, their rounded, pocketable shape, and their
robust reliability, they may in fact be the ultimate concealed carry
handgun.

Snubby revolvers vary in terms of having either exposed or internal hammers.
Internal hammers lend themselves to not getting caught or snagged on
clothing when drawn for personal defense. Thus, they are well suited for
"deep cover" snubbies which can be carried in a pocket. Smith and Wesson,
the world's premier manufacturer of quality revolvers, produces numerous
models with exposed hammers (Chiefs Specials), protected or shrouded hammers
(Bodyguard Models), and internal hammers (Centennial Models). After market
customization work can also be done to remove the spur on the external
hammer of a revolver. This is called bobbing the hammer. 

Internal hammers are only double action as compared to the exposed hammers
which can be operated in single or double action. "Shrouded hammers" (Smith
& Wesson Bodyguards) have the same physical features as the revolver with an
internal hammer the only difference being the hammer is only 95% covered
(i.e., shrouded), thus, allowing both single and double action modes of
operation. 

 
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Snubbies also vary in terms of weight. Lightweight revolvers naturally lend
themselves to concealed carry. Smith and Wesson's 2 inch snub nose J-frame
revolvers are either constructed from pure stainless or blued steel
(heaviest in weight), aluminum alloy (Airweight), or titanium or scandium
alloys (Airlites); the latter two being the most lightweight and the newest
of Smith and Wesson's defensive revolver offerings. 

These models come in the following calibers: .38 special, .357 magnum, and
.32 H & R magnum. The cylinders for all of these models are chambered for 5
rounds (except the .32 magnum which is chambered for 6 rounds) and share the
same quality construction and operation. S&W's attention to detail,
responsiveness to the consumer, and warranty and customer service are
unparalleled in the industry. Smith and Wesson is the summit of revolver
quality on the planet. Smith and Wesson's catalog of revolvers and
semi-automatic pistols is so extensive, you really owe it to yourself to
visit their website and/or secure and study their catalogue to get a full
perspective of their large product line (800-331-0852
http://www.smith-wesson.com.). 

http://www.humanevents.com/images/SnubbyArticle_ARTICLE%20PICTURE.jpgWhat
are the Components of a Revolver? 

A revolver has four main component parts: 

(1) The first component is the barrel which contains rifling on its interior
surface; also known as the lands and grooves. They give the bullet (a.k.a.,
the projectile) spin, trajectory and accuracy as it is propelled out of the
gun towards its target. The top front of the barrel is also the platform for
the front sight used for aiming the revolver. 

(2) The second main component is the frame. The barrel is threaded to the
frame. The frame supports the internal mechanism (also called the "action")
which encompasses the hammer, the firing pin, the trigger and the handle or
grip. Integral to the frame is the trigger guard which surrounds the trigger
and prevents outside forces from arbitrarily contacting the trigger. Also
attached to the left side of the frame above the trigger is the cylinder
release latch. This mechanism enables the operator to release the crane and
cylinder to its loading or unloading position. Located on the rear of the
frame's top strap in front of the hammer is the rear sight. 
Supported within the frame are the third and fourth main components; the
crane and the cylinder. 

(3) The crane acts as a hinge for opening and closing the cylinder. 

(4) The cylinder, situated between the barrel and firing pin, contains the
chambers or "charge holes" which hold the ammunition, or "rounds". Cylinder
capacities range anywhere in between 5 to 9 rounds depending on the
revolver's caliber, although the most common capacities are 5 or 6 rounds. 

Located within the cylinder are two components that aid in the operation of
unloading. These are the ejection rod and the star. The ejection rod is
attached to the star and is a spring loaded mechanism that when pushed
rearward ejects the empty casings (i.e., spent shells) from the firearm. 

How does a Revolver Work? 

Most usually there are two basic modes of operation of revolvers; single
action and double action. These terms refer to the actions of the firearm
and not your actions as the shooter. 
Single Action. When you pull a Chief's Special hammer manually to its
rearmost position such that it locks in place, it is said to be "cocked" in
single action mode. Visual inspection of the trigger indicates that it also
has moved to a rearward position much closer to the frame indicating that it
will take much less pressure to release the hammer, thus firing the weapon.
This is commonly called a "hair trigger" because of the light pressure on
the trigger needed for that action to occur. So, single action refers to the
fact that once the hammer is cocked, the trigger performs one action; to
release the hammer. . Cocking the hammer is not recommended given the high
likelihood of an unintentional discharge. 

Double Action. Double action is the second basic mode of revolver operation.
By pressing the trigger rearward, it simultaneously (1) cocks and (2) fires
the weapon, hence the term "double action". That is, the hammer is cocked
and released with one operation. This is the only mode of operation
recommended for a defensive revolver.

How do I Clean my Revolver? 

I recommend that you clean your defensive weapon regularly to make sure that
it is clean and free of debris which can clog up the action. My motto is:
Take care of your weapon and it will take care of you! Thus, you have to be
able to field strip (read disassemble) your gun and not be intimidated by
the prospect of doing so. 

1. The first thing you do is set up your cleaning mat and paper towels. Set
up your equipment to your strong side which means your dominant hand. Center
your firearm on your mat and open the action (cylinder). Make sure the
revolver is unloaded. Too many people have been shot while cleaning
allegedly "unloaded" guns! 

2. Proceed to dry brush each of the cylinder's chambers from the loading end
one by one with your bore brush until you feel little to no resistance. 

3. Invert your firearm so that the "business end" (or the muzzle) faces you
and dry brush the barrel bore where you will have more resistance because of
the lands and grooves. 

4. That completed, hold your muzzle end at a 90 degree upright, insert your
thumb nail inside the frame about one-half inch below the forcing cone end
of the barrel (the forcing cone is the interior end of the barrel opposite
the face of the cylinder) and using your thumb nail as a light reflector,
look down the muzzle and inspect the barrel interior for any peripheral
debris. 

5. Now, depending on whether your firearm is made of stainless steel or is
blued, take the appropriate tooth brush (a stainless or brass brush only for
stainless and a nylon brush for blued) and brush down the face of the
cylinder (the end opposite the forcing cone) to remove excessive carbon
deposits or black carbon rings on the cylinder face. 

6. As you now have the firearm with the cylinder open, the inside of the top
strap (portion of the frame above the cylinder) and the recoil plate (which
is opposite and to the rear of the cylinder loading area and where the
firing pin protrudes) are now accessible. You can proceed to brush these
areas with your toothbrush to remove the baked on carbon deposits from these
areas as well. As you look at the recoil plate, you will see a rectangular
opening or window. That's the window for the "hand". The hand is an internal
lever that when the trigger is pulled in double action or the hammer is
cocked in single action, engages a cutout on the star at the rear of the
cylinder called the ratchet which revolves each of the chambers between the
barrel and the firing pin; ergo the terminology revolver. Now, take a Q-tip
and lightly swab the exterior portion of this window without jamming it into
the slot. 

7. That being done, take your Q-tip to the ratchets attached to the top of
the star (the star being the device at the rear of the cylinder that removes
the empty shell casings when you are unloading) which is further exposed by
the spring loaded ejection rod (which removes empty shell casings) when you
press this rod rearward through the cylinder from the front. Once you have
accomplished that, you then clean the underside of the ejection star and the
inside face of the cylinder below it which is the star shaped seat for the
ejection star. 

8. Now we are ready to lubricate. Take one patch and center 2 drops of Break
Free CLP (Cleaner Lubricant Protectant) on the patch. Fold it in half
laterally like a bandanna--like you are going to hold up a 7 Eleven
store--and insert it in the eyelet of the cleaning rod. Swab the chambers
first through the loading end of the cylinder in a clockwise motion all the
way through and all the way back. Using the same patch, from the crown (tip
end) of the barrel (or muzzle end), swab the barrel clockwise in an out.
Then remove the patch. 

9. With the same patch, wipe down all of the surfaces that you previously
cleaned with your toothbrush (i.e., the cylinder face and rear, the recoil
plate, top strap, forcing cone), and then, once that is done, wipe down all
the remaining exterior surfaces of the revolver. As you can probably tell by
now, we are not changing oil at the neighborhood Jiffy Lube. So, less is
better when using Break Free. It permeates the pores of the steel of your
firearm with an active agent to prevent rust and material decay. You don't
want to overdo it because excessive lubrication attracts dirt and debris and
actually becomes muddy if you leave it unattended too long. As we approach
the final few drops of Break Free in our firearm care and cleaning
procedure, I hope that by this time you learn to associate care and cleaning
with something that you like doing, such as listening to music or watching
your favorite soap opera or ball game, thus insuring that cleaning your
firearm never becomes a chore. 

10. Looking laterally at your firearm laying on its side, notice that
directly below the muzzle end of the barrel there is what is called the
front bolt which secures the ejection rod into the revolver once it is
closed. The front bolt is a spring loaded device that requires approx half a
drop of lubricant twice annually. Holding the muzzle down to the mat with
the gun vertical and the back strap facing up, put a half drop on the front
bolt and depress it several times letting gravity do its work. 

11. With the cylinder open looking at the ratchets on the star, directly in
the center of the ratchets is the center pin. The center pin which is also
spring loaded secures the cylinder into the recoil plate when the cylinder
is closed. Twice annually put a half a drop on the center pin and depress it
manually several times to accomplish its proper lubrication. 

For the following 5 steps (12 -16), prepare yourself with a good flathead
magnetic screwdriver and an ashtray for holding an expensive screw that you
are going to remove and keep track of. These steps (12-16) should only be
employed when you feel inhibited spin of the cylinder which is due to
binding from dirt and debris. With repeated usage, any revolver's cylinder
can either become retarded or totally bound up from the gun powder that
attaches itself to the interior of the crane or yoke. 

To correct this problem and free the cylinder from hindered movement, use a
flat head screw driver and remove the screw directly over the top of the
trigger. Place the screw in a secure spot where you can find it again (e.g.,
an old tuna fish can or ashtray). Once removed, the crane/yoke and cylinder
can be pulled freely from the frame; just pull the yoke/crane assembly
forward and out of the revolver in the direction of the muzzle. In some
revolvers, such as the Smith and Wesson revolvers, the cylinder can be
removed from the crane or yoke assembly. In other manufacturer's revolvers,
such as Colts, those two components cannot be separated without a
specialized tool. 

12. Now, with a nylon toothbrush (as opposed to a stainless or even brass
brush which can scratch and damage anything softer than stainless steel such
as alloy revolvers and blued or black matte finish guns), brush the dirt off
of the full circumference of the crane's top barrel. If you see any dirt or
debris on the bottom barrel of course clean it off also. 

13. Put two drops of Break Free on the top barrel of the crane and
reassemble the crane and the cylinder. Now, treat the combination of the two
components as a centrifuge machine, and spin the cylinder clockwise letting
gravity dispense and propel the Break Free to the interior walls of the
cylinder cleaning the interior walls with the agitating action of the
spinning. Remove the crane which is blackened by the dirt inside the
cylinder and wipe the crane off with a rag or paper towel. Now put the two
components back together again without adding additional Break Free and spin
it some more. Take the crane out again and wipe it off again. Continue this
process until the Break Free runs clearly onto your paper towel when you
wipe the crane's top barrel with it, or when the cylinder runs extremely
freely and unbound on its spinning axis; the crane. This repetitive
procedure should take about 6 runs to thoroughly clean the cylinder
interior. 

14. Make sure to use some Break Free on the outer surface of the cylinder
also to remove the exterior dirt (or at least your body salts from handling)
if you have not already done so. 

15. Reassemble the crane and cylinder. Do this by holding the bottom barrel
of the crane at the 3 o'clock position adjacent to the cylinder and then
gently place it back into the revolver's frame. Close the cylinder and then
reinstall the appropriate screw that you removed earlier. 

16. Finally, if you have an exposed, as opposed to internal, hammer on your
revolver, with the cylinder open to make sure that the gun is unloaded and
remains so, cock the hammer. That is accomplished by pushing the cylinder
release latch rearward on the revolver (this is the same procedure for most
revolvers with the exception of Rugers) and simultaneously cocking the
hammer. This enables you to complete the following procedure without a
tragic accident: With the hammer cocked, drop three drops of Break Free down
inside the action, and while you hold the cylinder release lever rearward,
manually dry fire the gun double action approximately 50 times. 

With the springs and levers system internal to all revolvers, by pulling the
trigger double action, it acts as if it were a washing machine agitator
cleaning and scrubbing all the interior portions of the gun. Any dirt
removed will come out in droplets through the window of the trigger. They
won't be of sufficient quantity to cause any damage to your purse or
holster--it's just 3 drops. If your revolver is dirty internally, these
droplets will most usually be black. Should that be true, you may want to
continue to dry fire until you see a clear droplet of Break Free at the top
of your trigger. 

We've now reached the revolver finale. You now have a safe, reliable and
protected firearm to carry and depend on. Congratulations! It wasn't as
difficult as you thought, was it? Once you have gone through these steps
several times following our procedures, it will become automatic and second
nature for you. You will be able to more readily enjoy that ball game, soap
opera or piece of music while you are maintaining your equipment. 

Acknowledgment: The author expresses his gratitude to Stephen Rementer, the
senior author of the Essential Guide to Handguns and the Director of
Training at Pistol People and the Pennsylvania Lethal Weapons Institute
(www.PistolPeople.com)for his mentoring about all topics related to
defensive handgunning and his friendship over the years.

 

  _____  

Bruce N. Eimer, Ph.D. is a licensed clinical and forensic psychologist, NRA
Certified Firearms Instructor, Florida and Utah Concealed Firearms
Instructor, and a Professional Writer in Philadelphia, Pennsylvania. As a
co-owner of Personal Defense Solutions, LLC, Bruce offers individual
shooting instruction and teaches concealed carry and handgun safety classes
that prepare people to apply for the Florida Non-Resident Concealed Carry
Permit which is honored by 28 states. For more information, he can be
reached by phone at 215-938-7283 and by e-mail at:
[email protected] 

 



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