Ac556 factory folder 18quot12/1/2023 ![]() ![]() This is the point where the problems generally occur, and the damage gets done. When you reach the point where you have the barreled receiver replaced into the buttstock, it is time to start checking linkage positions. Align the firing pin projection with slot in lower receiver bridge and remove bolt from receiver.Īfter you are done with cleaning the AC-556, it’s time to begin the reassembly. 13- Pull the bolt forward until it can be pivoted out of the receiver. The recoil spring is heavily compressed, so take precautions to contain this, or suffer the consequences of lost parts or damaged soft body parts.ġ2- Pull the slide handle to the rear- align the locking projections on the slide with the disassembly notch on the receiver and remove the slide (Not shown). Figure G-4 shows it’s correct position in the stock for re-assembly.ġ1- Remove the recoil spring guide and recoil spring (Not shown). The photos show the linkage positions in the various select fire positions.ģ- Pull charging handle to the rear and inspect chamber to ensure it is clear.Ĥ- Make sure the hammer is cocked, and the safety is on “Safe” (Refer to figures on page 31)ĥ- Place selector on semi-automatic (Figure A page 31)Ħ- Utilizing a punch, or the tip of a cartridge, pry the trigger guard to the rear and lift out as in (Figure D).ħ- The trigger group can now be removed to the bottom of the rifle (Figure E).Ĩ- The barrel assembly/ receiver assembly can now be lifted from the buttstock.ĩ- (Figure F) The rear of the receiver assembly shows the positions that you should have for the selector, selector arm assembly, and rocker arm assembly.ġ0- A split flat spring is what keeps the selector arm assembly from coming off of the selector post. Since these are NFA registered firearms, you could be without your AC-556 for upwards of six months due to transfer times! What makes it worse, is that Ruger will not sell the spare parts to repair this, so the firearm that this happens to must be returned to the factory for repair. This occurs more often than you might think, and it is an avoidable problem. When re-assembling the rifle, the link positioner assembly has a flat sheet metal “Notch” that can easily have its ears broken off. We thought that the readers of SAR should be aware of this, and a pictorial would be the best way to explain how to avoid this problem. It is a byproduct of re-assembling the rifle. In the course of buying and selling many of these rifles, one common problem stood out from the rest. Problems with the AC-556 are not all that prevalent. The vast majority of Ruger machine guns are firearms that were factory made by Sturm Ruger, and transferred either to police departments or law enforcement Class 3 dealers. There are a few Mini-14’s that were converted to full auto only by Class II manufacturers using an M14 style selector, but these are few and far between. manufactured these rifles starting in the 1970’s, and still makes them today. The selector has semi-automatic, three shot burst, and full automatic positions. 223 caliber (5.56x 45mm NATO) Mini-14 has a true select-fire version. The FA68K sound suppressor adds only 4 inches to the original length of your M468, REC7, or other 6.8 mm SPC /.277 caliber rifle, but it offers superior sound suppression, guards against both temporary and permanent hearing loss, improves situational awareness and communication, and lowers sound signature., concealing shooter's position reduce or virtually eliminate muzzle flash and dust signatures, concealing shooter's position, preserving night vision and unobstructed view reduce recoil, improving bullet impact observation and allowing faster follow-up shots.By Dan Shea SAR takes a look at one of the common problems in this popular rifle ![]()
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