AGI - Ruger Mini-14 and Mini-30 Rifles

Tutorial & e-learning. November 15, 2010 by bomb.

AGI - Ruger Mini-14 and Mini-30 Rifles | 1.06 GB
English | AVI | 640x480 | 29.97 fps | DivX5 1425 kbps | MP2 224 kbps
Genre: eLearning

Bob Dunlap is a renowned expert on most of todays and yesterdays important AND obscure firearms. He has been a warranty station for most manufacturers, both large and small. He understands the design, function, and repair of firearms in general, and certainly the gun that has been a major success for Ruger with Law Enforcement, foreign militaries, and the American public, the Ruger Mini-14 and all of its derivatives. If you want the quick course on how to get this super popular semi-auto centerfire rifle apart, back together, and operating as intended, then this course is for you (if you want the "long course," look into our basic 108 hour Professional Gunsmith course).

Among the items covered are:

History
Founded by Bill Ruger and Alexander Sturm in a small rented machine shop in 1949, Sturm, Ruger & Co. brought out the Mini-14 in 1971. It was their first really successful centerfire semi-auto
The gun owes a great deal to the Garand/M-14, M-1 Carbine design, and looks somewhat like the M-14 (Duh! Hence the Mini-14)
The trigger group is practically identical to those earlier guns
There was a great buzz of anticipation when the gun was announced and a big rush to buy it when it finally hit the market
The gun is inexpensive, reliable, and like most Rugers, a great value for the money

Design & Function
Magazine is a great deal like the AR-15 magazine and with some work, those can be made to function in the Mini-14
Bolt lock-up and gas system demonstrated and explained
How the secondary sear functions as a disconnector and also provides a two stage trigger system
Out of battery safety feature
Bolt assembly parts function described
What holds in the extractor, which holds in the firing pin, which.
Gas nozzle and action bar system bears a resemblance to that of the Remington 742 and is very trouble free
Demonstration and explanation of how the magazine retaining system operates, from the magazine catch to the recoil spring powered plunger that holds the front
Demonstration and explanation of how the bolt stop is actuated and operates, both by the magazine follower and the manual over ride button
How the cam slot design in the operating rod actuates the bolt
How the windage and elevation knobs of the rear sight operate with a bullet nose
Fire control system and safety operation are demonstrated and explained
How the safety moves the hammer off of the sear and blocks the trigger
How the hammer actually rotates the bolt to complete lock up if the cycle is slightly out of time
Cartridge feeding cycle demonstrated and explained
Ejector operation

Disassembly
Extensive disassembly, and instructions on how to take apart those parts/assemblies not disassembled, and explanation of why some assemblies are NOT to be disassembled
Field stripping
Bolt stop removal
Gas block removal
Magazine plunger removal
Rear sight information
Bolt disassembly
Trigger group disassembly
Pay particular attention to the magazine catch disassembly
You get a good look at how the various parts fit together and interact (particularly the springs) after they are removed from the gun and Bob splains things

Cleaning & Lubrication
AGI cleaning & lubrication methods shown, along with the reasons for their use
After cleaning, dry with air gun, or in the oven on Warm ~185-200 degrees (metal parts ONLY)
Lubing the "Bob" way, and what kind he likes

Reassembly
Pins, slave and tapered, hook, punches, etc. Helpful tools to help you get this gun back together easier
Gas block reassembly
Bolt reassembly and troubleshooting
How to correct the poorly fitted extractor, putting the squeeze on
Extractor configuration and rules shown and explained
Trigger group reassembly and troubleshooting
How to do a simple, yet effective, trigger job, but why Bob thinks you should not do so
Positive and negative sear/hammer engagement is VERY important
Make sure that the safety is SAFE and properly fitted
If you dont understand the preceding three sections completely, get the Trigger Jobs course (the Garand Trigger course will work here), or take the gun to a qualified, professional gunsmith. Be Safe, not Sorry!

Accessories
Rear sight adjustment tool
Replacement apertures
Butt pad/extender
Scope mount
Stocks
Handguards
Magazines
Muzzle brakes
Flash suppressor/sight combo
If you noticed how often the terms "explanation" and "demonstration" are used, you may be getting some idea of why this course is a must have for any Ruger Mini-14 owner, or someone who intends to be.


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