The bolt housing has options for right and left handed shooters and allows for optional upgrades for the bolt knobs. The bolt housing allows you to cycle as well as cock and decock the rifle. This will result in a hardness of about 57 on the Rockwell C scale. The bolt housing contains the Blaser R8 cocking/safety control, the firing pin, and bolt head. If you can bury it in sand, pot ash, or hardwood ashes to let the cool down take an hour or two, so much the better. Heat it to around 1,100° F, hold it there for a couple of minutes, then let it slowly air cool until its down to room temperature. Once its down to room temperature, you need to anneal it so that it won't be brittle.

Plunge it vertically in and out of the cooling media to reduce the likelihood of warping or creating a stress riser at any sharp points on the piece. For the Air harding A-1, just use a blast of cold air from a compressor with a blow gun attached. Some were made of good steel, properly hardened and tempered, some were made of crap steel, where the tempering made no difference in the quality, some were made of good steel but improperly tempered.īest bet would be if you have a lathe, or access to one, is to make it out of O-1, A-1 or W-1 (Oil, air or water hardening in that order) drill rod, heat it to around 1,450° F to 1,500° F, hold it there for about 2 minutes (its small, so it doesn't need a long heat soak time) then plunge it vertically into the appropriate cooling media. 25 ACP Trigger Mag Release Button Pins Springs See Pics Raven Arms Model P25 Firing Pin New Hover to zoom Have one to sell Sell now 2551 99. The Raven firing pins are an iffy thing when it comes to quality. Raven Model P-25 Cal.25 Auto pistol firing pin, NOS eBay Raven Arms Lorcin L25, MP25, Davis P32 and P25 - 17-4 Stainless Steel Firing Pin Raven Model MP 25.

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