80 degree trigger polishing stone translucent ark extra fine white
Use this best companion to our 80 degree Diamond EZE Lap to polish the sear notch after modification. Matching 80 degree angle on this custom cut Hard Arkansas Stone maintains correct sear angle while polishing. Gives a finish superior.
Our finest grit Arkansas 80 degree polishing stone, meet the best we have available our TRANSLUCENT extra fine grit. Dual purpose, even if you are not changing the sear angle the opposite 90 degree edge works great to clean up the sear notch, Contender triggers, so much more. Great multi purpose polishing stone you'll cherish for years in a quality leather pouch.Use the 80 degree Diamond EZE Lap to first close up the sear notch to 80 degree from its original 90 degree, bringing the inside, lower corner of the notch DOWN and making this surface the hammer nose rests on at full cock a more horizontal plane. Per the FREE download trigger job instructions on www.bellmtcs.com and the current printed shop manual available here on the online store, if you place the hammer, sear, and trigger on their respective pivot pins ON THE OUTSIDE OF THE FRAME you can see how the parts all relate, and you can see that the sear notch that holds the hammer at full cock is angled down. Thus the hammer is prone to sliding down this angled surface instead of staying securely cocked.By lowering the inside corner with the 80 degree lap, you make this plane more horizontal and make the hammer less prone to sliding downward. To make sure you are doing the stoning right, take a few strokes with the lap to see that you are only cutting first in the inside corner where the hammer nose rests. Use the upper side of the sear notch rested flat on the "safe" angled surface as a guide. You can tell which side of the lap is which by the circular machine marks on the side that creates the 80 degree included angle.The 80 degree hard Arkansas stone is used in the same manner to polish the surface cut by the diamond lap while maintaining the same angle on the sear...... again, holding the upper side of the sear notch flat on the 80 degree side and using it as a guide. The Arkanas Stone brings the surface to a mirror finish. Check your work by dragging a finger nail across the sear notch where the hammer nose rests. If you can feel anything with your finger nail, you will also feel it transferred through the trigger. With the sear notch slicked up with Arkansa Stone, you may have to increase the amount of engagement of the hammer nose in the notch to keep the hammer securely cocked. Test this by pushing forward on the hammer with your thumb. If it pushes off with moderate pressure, you definitely must increase the engagement. Do this by thinning the hammer nose top to bottom. First stone the bottom of the hammer nose flat. This brings the contact point forward, deeper into the sear notch. Then very slightly round the end of the flat you just made so there is no sharp corner to act like a phonograph needle moving across the sear notch.If the hammer will still push off, take some material off the top part of the radiuses hammer nose where it contacts the upper side of the sear notch. Examine how the hammer nose fits into the notch, and you will see exactly where to remove material so the nose goes farther into the notch. The Diamond EZE Lap quickly removes material from the hard hammer nose, and it is easy to maintain flat, parallel surfaces with it.... as opposed to using power tools, which I never do in trigger work except to shorten hammer springs when needed. This is the best extra fine grit Hard Arkanas Stone we offer. Designed for the trigger smith doing a lot of work and demanding the best finish and longest lastest stone available. FOR A MIRROR FINISH, DO NOT OIL STONE. USE DRY. CLEAN OFTEN WITH DETERGENT AND WATER. "FRESHEN" WITH DIAMOND EZE LAP.FOR POLISHING THE SEAR SURFACE ONLY. DO NOT ATTEMPT TO ALTER THE SEAR NOTCH ANGLE WITH THIS STONE. A trick I learned is to run the notch over a leather shoe lace after stoning.