The Builder’s Bench

Slam Fire: a Parable…

by Walt Kuleck During the development of the M16, field testing revealed an unexpected tendency to slam fire, that is, for the cartridge being chambered to discharge without the trigger having been pulled. Needless to say, this created much wailing and gnashing of teeth in the Technical Coordinating Committee. Since

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Cleaning and Lubricating the AR-15/M16/M16A1

Too much lube is bad (it can migrate into the chamber, can create “hydraulic” effects in cavities & recessess, can become burned into “lacquers”, etc.). Too little lube is bad (it can cause premature wear, seizing/galling, rust formation, etc.). In normal enviroments, and with reasonable cleaning techniques, “crud” will not cause malfunctions.

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What’s the deal with fluted barrels? Do I want one?

by Clint McKee and Gryffin A Service Rifle Master Armorer’s perspective on fluting: We do not flute, nor recommend it, for Service Rifle and Match Rifle applications. Here’s some of the reasons why: First, it reduces the strength of the barrel, so you pay more for less; Second, the added

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What’s a Mil-Spec AR-15 type rifle?

Fulton ARmory Mirage No commercially produced AR15 type rifle is “mil spec.” Configuration is a part of the military specification, but since many of us don’t want/can’t have an M16 coming off the assembly line, this is of little interest to most. (Collectors & machine gunners, forgive me!) More importantly, none have

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Targeting the M1, M14 and M16 Service Rifles

Stewart A. Leach ©1998 Stewart A. Leach, reprint permission granted to Fulton Armory  Targeting is the process of adjusting the front sight of an M1, M14 or M16 service rifle (or their civilian equivalents) so that the shooter can get the most benefit from the adjustability of the rear sight.

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Slam Fire: The M16 Story

by Walt Kuleck May I commend to your attention pgs 123-133 of Ezell’s “The Black Rifle,” where the “premature” or “indadvertent” firing problem with the M16 is discussed at some length. The solution taken was one of the “Eleven Pre-Production Modifications” on pages 135-136, to wit: “5. Firing pin redesign

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The Lowdown on AR-15/M16 Magazines

by James Wesley, Rawles In response to repeated requests from rec.guns readers, I’m posting a list of the various magazines available on the civilian market for Colt AR-15s, various AR-15 .223 clones, and Colt Sporters. It lists the different varieties, identifying markings, type of finish, and approximate values (as of

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AR-15 Spare Parts Kit Recommendations

by Clint McKee from rec.guns… What spare parts ought the shooter keep on hand for basic operator maintenance of his AR-15 rifle? New bolt complete, hammer, trigger, disconnector, disconnector spring, firing pin, firing pin retainer, ejection port cover spring and pin “C” clip, rear sight aperture leaf spring, 3 rear sight

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