I think I may buy a some of these for each of my neighbors who don’t want guns in “their” neighborhood.
Test the resolve of those who don’t support the 2nd Amendment by asking them to post one of these stickers on their front door. Let them know that research has shown that almost all violent crime offenders choose victims who are least likely to own a gun to defend themselves. Non-gun-owning households depend on gun-owning households for their protection because criminals don’t know the difference — unless they put one of these on the door.
*Disclaimer: For novelty purposes only — please do not actually post this on a household door as the occupants may be subject to visits by all manner of criminal molesters and miscreants.
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Several people have asked me how to modify the Safariland Comp-3 
speed-loaders for better reliability . If you have used a Comp-3 you may have experienced difficulty getting the cartridges to eject into the cylinder in a timely manner. Much of this issue has to do with the hole drilled in the center of the plunger, this hole was originally meant to keep the Comp-3 from actuating the center pin on the extractor rod. Since we are not worried about the extractor rod, while reloading, efficiency can be found in plugging the hole in the Comp-3.
To modify your Comp-3 you need a $0.30 part, which can be found at most hardware stores. Find the nut, bolt and nail section and look for Nylon Push in Fasteners: Size PIF 53 had the correct dimensions to plug the Comp-3 hole.
Simply push the fastener in the hole, no adhesive or other bonding agents are necessary. Once complete you will find the Comp 3 loads cartridges much smoother and it releases a little quicker.
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This topic is the age old discussion that is ongoing in most IDPA and USPSA clubs. The first time some one told me a heavier bullet has less recoil, I though they were nuts. After all Newton’s Third Law tells me that:
For every action, there is an equal and opposite reaction.
Logic would dictate if you increase the weight of the bullet the recoil would also be increased. Thus a heavier bullet should have a heavier recoil, conversely a lighter bullet would have a lighter recoil. One thing that is often overlooked in the concept of a “heavier bullet has a lighter recoil” is the fact that part of the statement is left out; as I found through some basic research.
I started my research by looking up the mechanical physics concepts for both of the measurable elements. The measurable elements, in this case, are the Recoil (Newton’s Third Law) and the Power Factor (Momentum)
Newton’s Third Law
For every action, there is an equal and opposite reaction. The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. The size of the forces on the first object equals the size of the force on the second object. The direction of the force on the first object is opposite to the direction of the force on the second object. Forces always come in pairs – equal and opposite action-reaction force pairs.
via Physics in the classroom.
Momentum
In classical mechanics, momentum is the product of the mass and velocity of an object (p = mv). It is sometimes referred to as linear momentum to distinguish it from the related subject of angular momentum. Linear momentum is a vector quantity, since it has a direction as well as a magnitude.
via Momentum – Wikipedia, the free encyclopedia.
Measuring Recoil
In this case, to measure the recoil, I am relying on the fact that Newton’s Third Law is correct, and the hypothesis that the muzzle energy of a bullet (the force at which the bullet is traveling away from the gun) will translate into recoil acting on the gun.
For example a 124 grain bullet traveling 1008.6 feet per second (FPS) has a muzzle energy of 280.04 foot pounds (Ft-Lbs). Multiply the product of the weight of the bullet (in grains) times the velocity squared and divide by two times the acceleration of gravity (32.174 FPS) times 7,000 grains per pound.
- (124 * (1 008.1^2)) / (2 * 32.17400 * 7 000) = 279.766572
Measuring Momentum
To measure the momentum of the bullet I simply used the IDPA formula for determining power factor which is identical to the momentum formula for physics. For example the Power Factor of a 124 grain bullet traveling at 1008.6 FPS is 125,066.
- 124 * 1,008.1 = 125,004.4
Putting it All Together
If I take the formulas and concepts above and do some quick calculating using a 124 grain 9mm vs. a 147 grain 9mm bullet, both at a 125,000 power factor (PF) I find the following:
Velocity required to make 125,000 PF
124 grain bullet = 1008.1 FPS
- 125,000 / 124 = 1 008.06452
147 grain bullet = 850.3 FPS
- 125 000 / 147 = 850.340136
Muzzle Energy at 125,000 PF
124 grain bullet = 280.04 Ft-Lbs
- (124 * (1,008.1^2)) / (2 * 32.17400 * 7 000) = 279.766572
147 grain bullet = 235.95 Ft-Lbs
- (147 * (850.3^2)) / (2 * 32.17400 * 7 000) =235.954682
So how is it all possible? How is it that the heavier bullet has 45 foot pounds less recoil? The answer lies in the mathematics used to calculate each factor. While Energy increases exponentially as the velocity increases the Power Factor only increases linearly. Thus by increasing the bullet weight and lowering the velocity to meet the power factor, the energy is exponentially reducing from the drop in velocity, while the power factor remains constant. So next time you hear “Heavier bullets have less recoil” make sure you correct the statement to its true form: “Heavier bullets have less recoil, if the power factor is held constant.”
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Been busy for the last 9 months, now I have a bit more time to mess with the blog. A lot has happened since my last post, (Stimulus not working, NRA is becoming more powerful, Y Ted K is gone for good, Scott Brown elected, Democrats are on the run). Anyhow it is good to be back.
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Great comments from Coulter on Gun Control:
Let’s All Surrender Our Weapons — You First!
Ann Coulter
Wednesday, April 08, 2009The rash of recent shooting incidents has led people who wouldn’t know an AK-47 from a paintball gun to issue demands for more restrictions on guns. To be sure, it’s hard to find any factor in these shootings that could be responsible — other than the gun.
So far, this year’s public multiple shootings were committed by:
– Richard Poplawski, 23, product of a broken family, expelled from high school and dishonorably discharged from the Marines, who killed three policemen in Pittsburgh.
– Former crack addict Jiverly Wong, 41, who told co-workers “America sucks” yet somehow was not offered a job as a speechwriter for Barack Obama, who blockaded his victims in a civic center in Binghamton, N.Y., and shot as many people as he could, before killing himself.
– Robert Stewart, 45, a three-time divorcee and high school dropout with “violent tendencies” — according to one of his ex-wives — who shot up the nursing home in Carthage, N.C., where his newly estranged wife worked.
– Lovelle Mixon, 26, a paroled felon, struggling to get his life back on track by pimping, who shot four cops in Oakland, Calif. — before eventually being shot himself.
– Twenty-eight-year-old Michael McLendon, child of divorce, living with his mother and boycotting family funerals because he hated his relatives, who killed 10 of those relatives and their neighbors in Samson, Ala.
It might make more sense to outlaw men than guns. Or divorce. Or crack. Or to prohibit felons from having guns. Except we already outlaw crack and felons owning guns and yet still, somehow, Wong got crack and Mixon got a gun.
After being pulled over for a routine traffic violation, Lovelle Mixon did exactly what they teach in driver’s ed by immediately shooting four cops. Mixon’s supporters held a posthumous rally in his honor, claiming he shot the cops only in “self-defense,” which I take it includes the cop Mixon shot while the officer was lying on the ground.
I guess Mixon also raped that 12-year-old girl in “self-defense.” Clearly, the pimping industry has lost a good man. I wish I’d known him. I tip my green velvet fedora with the dollar signs all over it to him. Why do the good ones always die young? Pimps, I mean.
Liberals tolerate rallies on behalf of cop-killers, but they prohibit law-abiding citizens working at community centers in Binghamton, N.Y., from being armed to defend themselves from disturbed, crack-addicted America-haters like Jiverly Wong.
It’s something in liberals’ DNA: They think they can pass a law eliminating guns and nuclear weapons, but teenagers having sex is completely beyond our control.
The demand for more gun control in response to any crime involving a gun is exactly like Obama’s response to North Korea’s openly belligerent act of launching a long-range missile this week: Obama leapt to action by calling for worldwide nuclear disarmament.
If the SAT test were used to determine how stupid a liberal is, one question would be: “The best defense against lawless rogues who possess _______ is for law-abiding individuals to surrender their own _______________.”
Correct answer: Guns. We would also have accepted nuclear weapons.
Obama explained that “the United States has a moral responsibility” to lead disarmament efforts because America is “the only nuclear power to have used a nuclear weapon.”
So don’t go feeling all morally superior to a country whose business model consists of exporting heroin, nuclear bombs and counterfeit U.S. dollars, and of importing Swedish prostitutes, you yahoo Americans with your little flag lapel pins.
On the other hand, the Japanese haven’t acted up much in the last, say, 64 years …
Fortunately, our sailors didn’t wait around for Obama to save them when Somali pirates boarded their ship this week. Stop right now or I’ll ask the U.N. to remind the “international community” that “the U.S. is not at war with Somali pirates.”
Gun-toting Americans are clearly more self-sufficient than the sissy Europeans. This is great news for everyone except Barney Frank, who’s always secretly wondered what it would be like to be taken by a Somali pirate.
Police — whom I gather liberals intend to continue having guns — and intrepid U.N. resolution drafters can’t be everywhere, all the time.
If a single civilian in that Binghamton community center had been armed, instead of 14 dead, there might have only been one or two — including the shooter. In the end, the cops didn’t stop Wong. His killing spree ended only when he decided to stop, and he killed himself.
“The shooter will eventually run out of ammo” strategy may not be the best one for stopping deranged multiple murderers.
But it’s highly unlikely that any community center in the entire state would be safe from a disturbed former crack-addict like Wong because New York’s restrictive gun laws require a citizen to prove he has a need for a gun to obtain a concealed carry permit.
Instead of having Planned Parenthood distribute condoms in schools, they ought get the NRA to pass out revolvers. It would save more lives.
Copyright © 2009 Salem Web Network. All Rights Reserved.
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