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NOTE REGARDING 1911 PISTOLS PURCHASED FROM CMP: If you are considering selling a 1911/1911A1 you acquired directly from CMP, you MUST obtain approval from CMP1911ADMIN before listing it on the forum as purchasers of these weapons are not allowed to resell them as a condition of the purchase. You may reach him via PM or email: [email protected]
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8. Do not bump ads older than 90 days without moderator approval. Ads older than 90 days will be locked if they get bumped.
9. Do not bump an ad more than once within a 24-hour period. Ads bumped multiple times within 24 hours will be locked or deleted. Members who continually do this will have their ads locked or deleted, and will lose your privilege to post in the Marketplace.
10. Remove previous bump posts so as to keep the size of the threads to a minimum. Nobody wants to have to search through 4+ pages of "Bump" or "ttt" posts simply to find information on the item listed.
If not removed, mods will remove them and/or delete the thread if it gets out of hand.
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13. For WTB items anywhere in the Marketplace:
- Only respond to a WTB ad if you possess the requested item or have specific knowledge of that item’s availability. For example, do not post, “Check eBay” or “Check Gunbroker.”
- Once you have found/purchased the item(s) desired, delete the thread so as to not waste other members' time and allow for other threads to have visibility.
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If you have a technical or knowledge question relating to a listed item, start a new thread or search and add to an existing thread.
If you want to thank or praise a seller or item, DON'T do it in the sale thread as it unnecessarily bumps a stale thread, and said comments will be deleted. Instead, do the person the courtesy of posting in the Buyer/Seller Feedback section here: http://forums.thecmp.org/forumdisplay.php?f=81
Basically, if you don't have a question DIRECTLY related to a sale/trade/purchase of a specific thread, don't post! And this particularly applies to stomping a member’s ad concerning their asking price as there is a tendency to post negative replies when someone lists an item for sale that others consider overpriced.
We will not tolerate members stomping another member's ad concerning their asking price.
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If an item is sold and the listing member deleted the price (which is their prerogative) and you want to know what the price was, do NOT post in the thread…send the member a PM.
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You may have up to two lines stating you are looking or searching for a particular rifle/weapon and serial number.
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OTHER TIPS/GUIDELINES
- Buyers and Sellers should verify each other’s identity before sending money and/or products. If possible, get each other’s phone number and have a quick conversation to confirm the transaction details.
- As a suggestion: sellers should consider using delivery confirmation to avoid conflicts from buyers; saying they never received the products.
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Does anyone have a picture of the fixture a Mann Device rides in. I have a very heavy base with two fixtures for securing a tube. I bought it 10 years ago near Aberdeen Proving grounds from a gent who said it was a mann device base. I'll post pictures later
That would be something to see. All I have discovered is the old timie pictures of the V channel sled and the two donuts that clamp to the barrel. Not an actual fxture that the Mann rifles CMP sold would get mounted into.
If you go to the Springfield Armory web site they have a search page for the archives. Try searches for such terms as Mann, Mann rest, Machine rest, etc. they have some pictures. I have also seen photos in other old publications. Look for ones like Mann's book or books by Julian Hatcher and others.
Interesting pictures of Mann devices. The distance between the bosses should tell the tail. Would anyone be willing measue the distances between their barrel bosses? Thanks
If you go to the Springfield Armory web site they have a search page for the archives. Try searches for such terms as Mann, Mann rest, Machine rest, etc. they have some pictures. I have also seen photos in other old publications. Look for ones like Mann's book or books by Julian Hatcher and others.
Interesting pictures of Mann devices. The distance between the bosses should tell the tail. Would anyone be willing measue the distances between their barrel bosses? Thanks
I don't know what you are referring to as "bosses".
If these are the two "donut" shaped bearings used to support the barrel in the early days of field testing with a "V" block, it would not apply to the MANN Accuracy rifles sold by the CMP. The CMP MANN rifles were supported by the collar at the breech, or the breech end of the barrel, and the barrel floated freely.
A veteran is someone who once signed a blank check payable to The United States of America in an amount up to and including their life.
I don't know what you are referring to as "bosses".
If these are the two "donut" shaped bearings used to support the barrel in the early days of field testing with a "V" block, it would not apply to the MANN Accuracy rifles sold by the CMP. The CMP MANN rifles were supported by the collar at the breech, or the breech end of the barrel, and the barrel floated freely.
There are two clamps for the lack of a better word where the barrels could be mounted, the sled slides in a large "V' block with spring to either side. I need a general measurement between the collars on a barrel or two to see if it matches up. It all weighes an easy 150 lbs. The pictures of the various bases are very similar, but no pictures are up close.
Did someone slip me goofballs or are you guys talking about (2) separate mouting types? I've seen the V-Channel sled but not the Gibralter Mount and single clamp at the breech with free floating barrel which is what I want to see/know about.
Did someone slip me goofballs or are you guys talking about (2) separate mouting types? I've seen the V-Channel sled but not the Gibralter Mount and single clamp at the breech with free floating barrel which is what I want to see/know about.
There exists a number of mounting arrangements. Various pictures show the mounts. I'll try to post a good picture of the mount I have. The measurements of the distance between the collars will give a good idea of if the mount was used for the Mann devices
There exists a number of mounting arrangements. Various pictures show the mounts. I'll try to post a good picture of the mount I have. The measurements of the distance between the collars will give a good idea of if the mount was used for the Mann devices
Pictures would be great. I have never seen anything but pictures a "V" sled and donuts on the barrel.
I have two MANN rifles and the dimensions of the barrels can be found here: http://forums.thecmp.org/showthread.php?t=6338
Scroll down to post #8, about the 3rd photo in the collage gives the dimensions. My view of the changes in barrel diameters is to interrupt resonance. I believe these were retained in a machine solely by the collar at the receiver end.
This thread also shows the only two photos I have seen of a "machine" used to do MANN testing. Both clearly show two donuts on the barrel.
Does anyone have a picture of the fixture a Mann Device rides in. I have a very heavy base with two fixtures for securing a tube. I bought it 10 years ago near Aberdeen Proving grounds from a gent who said it was a mann device base. I'll post pictures later
I just did a Google search and found this post on gunboards.com
Might this be you also? Really need some photos.
- 10-25-2010, 06:02 PM #3
JMCJR
From my springfield 03 collecting days, I have a sled that is likely for a Mann device, weighs about 150 pounds and clamps an action to a sliding "sled" mounted on a base. Guy I purchased it from lived about 30 miles from Aberdeen Proving Grounds.
A veteran is someone who once signed a blank check payable to The United States of America in an amount up to and including their life.
Does anyone have a picture of the fixture a Mann Device rides in. I have a very heavy base with two fixtures for securing a tube. I bought it 10 years ago near Aberdeen Proving grounds from a gent who said it was a mann device base. I'll post pictures later
Col Brophy's book "The Springfield 1903 Rifles" has a chapter called "Pressure, Velocity and Accuracy Devices". It contains several period photos of machine rests.
On page 223 in a section called "Accuracy Tests" it has a reproduction of a test procedure including the equipment to be used. It states:
Rest "Woodworth: Type -
Mann Type "V" Block**
Rest, Recoil, Accuracy, Cal.30 Ordnance Drawing 49-6-40B
**For cal. .22 cartridges
Further down the procedure says:
"If however the basic Frankford Arsenal rest be available, then only the "V" blocks indicated are need to satisfy the requirement."
“After all is said and done, successful rifle shooting on the range is nothing more than first finding a rifle and lot of ammunition which will do precisely the same thing shot after shot, and then developing the same skill in the rifleman.” ~ Capt. E. C. Crossman (Book of the Springfield)
Thanks for posting that info on Col Brophy's book. A Google search of images brought up those pictures but as you say, the quality of the pictures is too dark to see much detail. Maybe the actual book would be better. Two of the pictures I found and posted several years ago are in that book but (I think) I found them in the Springfield Museum on line. If I can't find Brophy's book among my friends I may buy a copy. Hatcher's Book is already on the internet as a huge PDF. There is not very much in it on the MANN.
Semper Fi - VMF(N)542Bob
Update 2/29/2014, 1:33pm MST
I have borrowed a copy of Lt. Col. Brophy's book, 4th printing. Most of the photos on the section cited by NMC_EXP are devoted to pressure testing and cradled 1903's clamped to a sled. Some pictures do show MANN barrels in a fixture but most of the MANN barrels pictured are not associated with a holding fixture. Logdog - If you can provide a photo of your sled I can tell you if it is shown in the book. There are many versions of the Mann rifles in the book that I have never seen before.
As soon as I read your post I went to Amazon and found it. I bought it for information on the Mann device and found it to be an excellent book on the Springfield. A great companion piece for my "The Book of the Springfield" by Cpt Edward Crossman.
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For what it's worth, here is a picture of the cradle for the Mann in 45 ACP from Hatcher's "Textbook of Pistols and Revolvers"
It show how the device fits in the cradle.
I screwed the pooch on getting a Springfield Mann, thinking I had time. But I did get a Remington 700 5.56 Mann from the CMP Auction Site.
I measured the sled across the clamps and came up with aprox 1.7 to 2" depending on what are the bearing surfaces. This corresponds roughly with what Bob has posted for measurements. I one of the guys who thought the devices would be around forever, so don't have one to compare with.
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