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benelliwerkes last won the day on September 1

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About benelliwerkes

  • Birthday 01/01/1905

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  1. yes. keeps it from marring the receiver.
  2. It occurred to me that it would be a more refined installation without any regrets by employing a bushing (either nylon / aluminum) to eliminate any possibility of QD movement and thus should be included in the task. I chose aluminum. This would eliminate need for any thin nylon washers suggested the first time around and because the bushing is proud a few thousandths on each side, it will be the bearing surface for the backside of the QD cups. The bushing was gently tapped right in place, use a nylon head hammer to avoid marring your gun art. Final appearance looks like something the factory would envy functionally and aesthetically.
  3. I was minding my own business this morning and wondered myself how to make it a clean installation. I prefer the sling mount at the grip level as it balances better for me when used. I would keep it simple / inexpensive by just using asymmetric Magpul flush cups, both threaded. It does not permanently mar / modifiy the hole. Consider using a thin nylon washer on either side between stock finish and the cup surface.
  4. Early model S&W M&P pistols used small diameter solid pins to retain the extractor; like most mfg. a hydraulic arbor press with a few thousand psi runs thepin in perfectly within a matter of seconds, removing it was another matter. S&W eventually switched to a roll pin which is much easier to exchange; for the same reason SigSauer did similar pin conversions for their firing pin position retaining pin. For tight solid pins in particular, after applying some Kano Kroil for a few minutes, use the tapered starter punch (Wiha / Lyman / Proto make good ones) just to make the pin move a few millimeters, then switch to short shaft parallel punch then the longer parallel punch as needed; this sequence will save the thin punches from destruction. The silver lining is that you can take your bent pin, shorten it now and you will have the first member of your short punch set. The Rennsteig parallel punch set is clever in that an outer sleeve that supports the punch pin slides along its length, so you can begin with a "short" shaft punch exposed / supported so as you advance the length of the pin into the pin hole being removed, the pin hole walls themselves now continue to support the shaft of the punch. I made a set of brass roll pin punch holders.
  5. Pushed the roll pin out by hand as noted about, first step. Never used a nail as a punch. Notice that small diameter punches will deform like virtually every time use short shaft punches to get them started, note the short shaft roll pin punch used. You can get blank screwdriver handles and bore them to fit the punches when its not necessary or impractical to be beating on the punch with a hammer. I make a habit of using the correct punch application to avoid marring the gun art. Some examples of specific punches shown above.
  6. This is how I remove / install Benelli "Montefeltro type" rotating twin lug locking bolt head extractors.
  7. The forward end is a rivet the other end is a pin installation. Somebody just whacked it too much.
  8. Me and Ebenezer Scrooge replying from the 2012 grave yard! Get a Surefire Barry Dueck offset sight kit and your co-witness problems go to zero! run the optic you want.
  9. One of Aasgards best products was / is their forward shell holder. M4 14" Entry; Mossberg 590A1 14"' ; Wilson Combat Scatterguns Technology Remington 870 14" Vang Comp ported
  10. https://www.snipershide.com/shooting/threads/benelli-m4-barrel-guide-ring.7076238/
  11. Some of my favorite non-hunting shotguns. The Spas-12 is one of the mechanically clumsiest shotguns ever designed. I authored an Anatomy Series Manual for the Spas-12 Improved Trigger Group, i.e. cross bolt design compared to the lever safety trigger group. FYI-The Franchi Spas 12 with lever-style safety is dangerous! Still searching for a Spas-12 "diverter" muzzle device.
  12. The 18.3 is the metric diameter of the bore, 18.3 mm = 12 gauge. PSF =Polvere Senza Fumo = Italian for smokeless powder gun proof mark.
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