Welcome to OUR installation page. Please note, these are the installation instructions for all our current Adapter Systems. Please read the instructions below for your specific adapter system.

 

How to install the G3/1 Adapter

 It is very easy to install the adapter. Just follow the step-by-step instructions below. DO NOT get in a hurry.

 

FITTING THE ADAPTER. THE FOLLOWING STEPS APPLY TO THE INSTALLATION

 

1. Clear the rifle of all ammo and remove the factory 10 round mag and the STOCK.

 

2. Place rifle on your worktable, mag well facing up with the FCG in place. Remove the cross-bolt on the wooden stocks. Set it aside. It will be replaced later.

 

3. Unscrew the adapter adjusting screw so it is "recessed" inside the adapter. Allen Wrench is supplied in the kit.

 

4. Unscrew the locking bolt enough to allow the adapter to be placed on the rifle over the mag-locking stub (rear sight base) on the rifle. Make sure the adapter locking tab is inserted under the mag-retaining pin on the rifle stub and fully forward and the radius of the locking piece is sitting on the barrel. Allen Wrench is supplied.

 

5. Tighten the locking bolt so that it is just snug. DO NOT lean on it. You could strip the reads and void your warranty.

 

6. Gently place a modified mag under the adapter-locking tab and rotate it to "lock". You are looking for clearance on the back of the mag where it passes the mag release mechanism. If the mag clears and latches you are good to proceed.

 

7. If the mag hits the release mechanism on the FCG, remove the adapter and take some material off the two “tangs” on front of the FCG. This will allow additional clearance for the rear of the mag.

 

8. When the mag is locked in place, if the front of the mag tab is hitting the adapter, remove a small amount of the tab so it does NOT hit the adapter face, but leave sufficient length to “latch” under the adapter tab. You may also remove a small amount of the mag tab. This will move the mag forward. Think in terms of "thousandths" of an inch, not "tenths" of an inch.

 

9. Redo steps 6, 7 and 8 until it locks properly. Tighten the locking face screw 1/16 of a turn. NO MORE. Screw the G3/1 adjuster down until it just touches the rifle, then an additional 1/16 turn. Reassemble the rifle and stock.

 

10. If the stock does not close all the way down on the rifle, you will need to remove some material inside the stock where it rests on the flat section of the locking piece. Remove a small amount and refit. Continue until the rifle is properly mated with the stock. DO NOT remove any material from the outside of the stock.

 

11. Try and gently insert the mag. If it is tight you will need to remove some material on the inside of the stock mag well area to allow the mag to insert properly. If it hits the release mechanism, the stock is pushing the adapter backwards. Some wood/polymer will need to be relived from inside the stock well opening where it begins to narrow. DO NOT remove any more material from the adapter tab.

 

12. If you have a stock with a cross-bolt you will need to raise the rear of the rifle in order for the cross-bolt to clear under the receiver flat. Be sure the flat side of the bolt is toward the rifle. After the cross-bolt is inserted, re-seat the rifle and replace the nut on the cross-bolt.

 

13. Open and lock the bolt. Insert a full mag and charge the rifle. Please do this outside if possible and in a safe manner. The bolt should fly forward and scrap a round and go into battery.

 

14. If you have the drop free bolt mod, close the bolt, insert a mag and pull the bolt back and let it fly. It should also scrape a round, etc.

 

15. If the bolt is tight, take the rifle apart and loosen the locking bolt on the adapter (1) one turn. Screw the adjuster down 1/16  turn, tighten the locking bolt, reassemble and retest. If you still have problems call me 281.920.4404. So far, this adjustment has NOT been necessary, but is available to provide for setting the proper feed angle for all versions/models of the SKS rifle.

 

16. Go to the range and have fun.

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The SKS Mag Adapter – Installation of the G5/1

 

It is very easy to install the adapter. Just follow the step-by-step instructions below. DO NOT get in a hurry.

 

FITTING THE ADAPTER. THE FOLLOWING STEPS APPLY TO THE INSTALLATION

 

1. Clear the rifle of all ammo and remove the mag and the STOCK.

 

2. Place rifle on your worktable, mag well facing up with the FCG in place. Remove the cross-bolt on the wooden stocks. Set it aside. It will be replaced later.

 

3. Reinstall the trigger group.

 

4. Unscrew the locking bolt just enough to allow the adapter to be placed on the rifle over the mag-locking stub on the rifle. Make sure the adapter locking tab is inserted under the mag-retaining pin on the rifle stub and fully forward and the radius of the locking piece is sitting on the barrel.

 

5. Tighten the locking bolt so that it is just snug. DO NOT lean on it. You could strip the reads and void your warranty.

 

6. Gently set a modified mag on the rear release and the piston of the adapter. Push straight down. The mag should “lock up” on both ends. If it doesn’t “smartly” snap in place, try it several times until you get the positioning correct. Put a drop or 2 of oil inside the adapter to loosen it up. "Work" the release to "oil up" the parts. 

 

7. If the mag tab extends pass the angles flat of the piston, shorten it using a file or utility knife. Simply shave off a small portion of the tab until it clears. This will allow some additional clearance for the tab to clear the piston. You want the tab to be just short of the “round” section on the piston. If it isn’t, the piston won’t depress into the adapter body correctly.

 

8. When the mag is locked in place and your left hand around the mag body, pull the release, rotate the front down and then push it forward. Try to do this as one motion. Practice this motion and it will become second nature to you. You may also just pull the release and the mag MAY drop free if you have clearance on the sides. You can "open up" the mag well of the stock for clearance if needed.

 

9. If the stock does not close all the way down on the rifle, you will need to remove some material inside the stock where it rests on the flat section of the locking piece. Remove a small amount and refit. Continue until the rifle is properly mated with the stock. DO NOT remove any material from the outside of the stock.

 

10. Try and gently insert the mag. If it is tight you will need to remove some material on the inside of the stock to allow the mag to insert properly. Continue this process until the mag will "drop free".

 

11. If you have a stock with a cross-bolt you will need to raise the rear of the rifle in order for the cross-bolt to clear under the receiver flat. Be sure the flat side is toward the rifle. After the cross-bolt is inserted, reseat the rifle and replace the nut on the cross-bolt.

 

12. Open and lock the bolt. Insert a full mag and charge the rifle. Please do this outside if possible and in a safe manner. The bolt should fly forward and scrap a round and go into battery.

 

13. If you have the drop free bolt mod, close the bolt, insert a mag and pull the bolt back and let it fly. It should also scrape a round, etc.

 

14. If you still have problems call me 281.920.4404.

 

15. Go to the range and have fun.

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SKS Magazine Adapter, G9/A, Testing & Installation Guide (Rev 17, modified 1/01/16)

These instructions are for the G9/A purchased AFTER 01/01/2016.

The SKS G9/A Adapter comes completely assembled, plus an Allen wrench.  (See Picture Below)

These are the parts that make up the G9/A adapter.

1.            The main adapter body

 

2.            The side plate

 

3.            The trunion forward locking tab

 

4.            The mag catch bar

 

5.            The forward locking screw

 

6.            The mag release spring

 

7.            The standard AR 15 mag release button

 

8.            The 4 screws to attach the side plate

 

(Plus an Allen Wrench for installation and adjustments.)

Terms for you to be familiar with and How To - Test Fit The G9/A Adapter and Magazine to your SKS:

A – Forward Trunion- (L Shaped forward trunion original with all variants of the SKS Rifle). The trunion is part of the rear sight assembly. It is the portion

of the assembly located at 6 O’clock on the bottom of the barrel. This is forward of the rifles magazine well. Do not alter this original Trunion; you need

it to lock the forward locking point on the G9/A Adapter to it.

 

B – Rear SKS Original Box Magazine Latch- (This is the spring loaded, original box style magazine latch/release immediately rearward of the rifles magazine well. It is part of the trigger assembly.

 

C – Trigger Forward Tangs- (These are the forward facing two tangs that are original with all variants of the SKS Rifle). These tangs will need to be

made shorter. Measure from the back of the cross pin forward. The length should be .2000 to .2500 inches total.  Take care and remove a little at a

time and refit.

 

The ‘trigger tangs’ on a stock SKS Trigger Assembly (left) measure approximately .4275” from the back side of the latching pin to the front edge of the

tangs. These need to be shortened to .2000 - .2500 depending on your rifle.

 

Then set the Trigger Group aside.

 

D – ASC Magazine  for the use in the SKS 7.62X39MM, SKS G9/A Adapter. (This Magazine is an AR-15 Style, 7.62x39

Magazine, manufactured by ASC, (Ammunition Storage Components, for use with the SKS G9/A Adapter and modified by us. Do not alter the ASC Magazine made for the SKS G9/A Adapter without contacting us first. LINK: www.ammosc.com

 

E – This should really be item “T” for Tolerances: The SKS 7.62x39 has some very close tolerances to feed the x39  rounds. You need a big dose

of PATIENCE. Do not get frustrated if it does not work the first time. Small adjustments make a big difference in running like butter or jamming. You will

love the way this runs with the AR-15 Style Magazines. Go slow until you really understand the relationship of Magazine to Adapter, Magazine to

Rifle, Receiver to Bolt, etc. All these parts have to be dancing to the same music, so think symphony orchestra not heavy metal. Thousands of an inch

can make a big difference.

 

F - Drop free bolt mod (DFBM)- The DFBM may not be required. However, if you wish to remove the mag with the bolt closed, you willll need

to do this mod, or, if the bolt is binding on the mag lips. The drop free bolt modification reduces the bolt width which allows the AR-15

style magazines to ride higher into the SKS Receiver magazine well.

 

G – Test Fit the Magazine with the SKS G9/A Adapter before installing into the rifle – Take the ASC, AR-15 Style Magazine that was

specifically manufactured for the  SKS G9/A Rifle Magazine Adapter System out of the package. Hold the  SKS G9/A Adapter in one hand with it parallel to

the floor (just like it would be when mounted into the SKS Rifle). Slide the ASC Magazine into the adapter to see if it will latch up in the adapter before

you attempt to mount the adapter into your SKS Rifle. The Magazine loads into the Adapter just like it would load into an AR-15 Style Rifle. Once you

have placed the Magazine into the adapter hold the adapter level like it would be in the rifle and press the magazine release button. The Magazine

should drop free. This test will help you see it work before you ‘live fire’ this system. This test also lets you see how the Patent Pending Adapter

System works. If this test fails, re-think the test…The Magazine should lock into the Adapter and the Magazine Release Button should release the

magazine and Gravity should cause the magazine to drop out of the Adapter System freely. Some ‘wear-in’ of the mag may be needed to ‘loosen’ it up.

 

Option 1: (Added 14 May 2015)

 

Modify the rifle to accept non modified ASC AR 15, 7.62x39 Mags

 

This option is for modifying the rifle to accept UNMODIFIED ASC mags of any capacity. However, once done, it cannot be undone.

 

Step 1: Modify the trigger assembly. See “Trigger Forward Tangs” above. This can be reversed with a new trigger assembly.

 

Step 2: Remove the BHO device and shorten it by .2000 approximately from the bottom. This is necessary so the rear of the mag will penetrate high enough for it to lock up. This can be reversed with a new BHO.

 

Step 3: Using a mill, X/Y axis drill press, Dremel or similar. Best to have a machinist or gunsmith do this. Remove the bullet ramps at the rear of the chamber. This is necessary for the mag to insert high enough into the rifle magwell and lock up. This step cannot be reversed.

 

Option 2: (To use the modified ASC 7.62x39 mags)

The SKS G9/A Adapter – Test Fit and Installation:

HOW TO FIT THE G9/A ADAPTER to your SKS Rifle. THESE STEPS APPLY TO THE FITTING, INSTALLATION and

TESTING PROCESS.

 

1. Clear the rifle of all ammo. Remove the SKS Box Style magazine, follower, spring and the STOCK. Ensure all magazines you are working with are free

of any ammo.

 

2. Place rifle on your worktable, magazine well facing up, with the FCG (Fire Control Group) in place. Set your stock aside for now. We will install it later.

 

3. Reinstall the trigger group into the rifle.

 

4. TheSKS G9/A Adapter ships completely assembled. With the rifle lying flat on your work surface with the bottom of the rifle facing up, place the

G9/A Adapter magazine well over the rifle magazine well and the  “duckbill” of the Adapter pointing forward, laying on the rifle barrel. Now you have a

general idea where it goes when installed. See the middle picture below.      

     

5. Finding the 'Sweet Spot' - Place rifle on your worktable, with the rifle magazine well facing up at you.

A.      Replace the adapter on your rifle, with the forward locking screw and locking tab under the rer site  trunion. Snug it slightly.

B.      Make sure the rear of the adapter is held in place by the rear mag locking tab. You want to be able to slide the adapter body.

C.      Insert the mag with your other hand (it should easily lock into the G9/A Magazine well). You may need to gently tap the adapter forward to get     the  mag to catch. Press the mag release button. Did it pop up? You may need to tap it some more until the mag pops up. Continue the 3 steps above until the mag ‘pops’ free. You have now found what we refer to as the ‘sweet spot’ for this specific SKS rifle, the modified magazine and the G9/A adapter are tuned properly.

 

 Steps to align the G9/A Adapter and mag to your particular rifle.

 

4.1. Place rifle magazine well facing up at you, on your worktable.

 

4.2 Lock modified trigger assembly back on your rifle.

 

4.3. Lock the bolt OPEN.

 

4.4. Loosen, but don’t remove the locking screw or tab from your adapter. Insert the forward trunion locking tab (on the adapter) 

UNDER the original 10 round mag locking trunion. That’s the tab on the bottom of the rear sight. NOTE: Push down on the locking screw as you do this to help guide the tab under the trunion.

 

4.5. Press down on the rear of the G9/A adapter lock it in place under the rear mag/release catch.

You will hear a nice, crisp, “CLICK” when it locks up.

 

4.6. To test that 4.5 was successful, lift up on the G9/A adapter to insure it is fully locked in place. It will be loose, but locked. When you lift straight up on the adapter the rifle should lift with it, this tests that you have the front and rear latches engaged. You may need to manually pull the mag catch while pressing down on the adapter to get it to latch.

 

4.7. Insert the EMPTY mag. Listen for the mag catch to “click” home. Lift the mag to insure it is locked in the adapter. If the mag won’t lock, it is because the adapter is sitting to far rearward. The adapter needs to be moved forward. There 9s a slot cut into the duckbill that will provide adjustment of the adapter body. To adjust the adapter forward, you will need to slide the adapter body forward. This is thousandths of an inch, not hundredths. Continue until the mag will easily lock up.

 

4.8. If the mag latches, gently snug the adapter forward trunion locking screw.

 

4.9. Push the mag release button and the mag should ‘pop’ up. If it doesn’t ‘pop’, just lift it out. Replace the mag.

 

4.10. Turn the rifle over, with the mag hanging down (in normal firing position) and release the mag. It should drop free.

 

4.11. If you have “Successfully Completed” the 10 steps above your adapter is properly adjusted for this specific SKS. Go to Number 5 “Mag Function Tests”, (below).

 

4.12. IF steps 4.9, 4.10 or 4.11 failed, do the following: reread these installation instructions. 

 

5. Mag Function Tests of the system: Read ALL of Section 5 before you proceed. Once you have the Adapter position adjusted to your rifle (using the steps from #4 above), tighten the adapter locking bolt on the front of the adapter with the supplied Allen wrench. You now should be able to insert and lock the magazine in your adapter using only one finger. If the magazine locks up and releases freely you are ready to cycle a few rounds as a test. If it doesn’t pass this test (the single finger test), redo step 4.7 above.

 

Using an ASC modified magazine, manufactured for the SKS G9/A Adapter, load 4 or 6 rounds into the magazine. Lock the bolt open (safety on) using the SKS bolt hold open (BHO) to keep the bolt locked rearward. Insert the magazine and charge the rifle. Please do this outside if possible and in a safe manner. The bolt should fly forward and scrap a round and go into battery ready to fire. You should be able to cycle the 4 to 6 rounds one right behind the other when pulling the bolt all the way back and letting it ‘fly’ forward repeatedly. Just like in the video.

 

5.1 Notes and experience from our tests:

 

5.1.1 The Magazines should be cleaned on the inside and outside. If the magazine is not clean rounds may not move as freely as they will when clean. We use a dry silicone spray to lube the inside of the magazines and find this works well for us. 

 

5.1.2 Steel Case Rounds have less resistance inside the magazine than softer Brass Rounds. If you have steel case rounds we suggest you use steel case rounds during your adjustment to find the ‘sweet spot’ on your particular rifle. We tested many SKS’s with various amounts of use, wear and tear. We found  each rifle needed a slightly different forward/backward adjustment of the G9/A to cycle rounds one right after the other.  

 

6. Rifle Stock Adjustments to accept the G9/A Adapter (every stock manufacture will have slight differences) The G9/A Adapter is wider than the stock opening in any SKS Rifle Stock. “D”, “M” and Sporter stock exceptions. You will need to open up the stock to allow the stock to fit around the adapter. We used a mill to remove material from inside of the stock, then test fit until the stock fit around the adapter. You can use a Dremel or other precision tool.

 

At this printing, there are no after-market “ready-to-go” stocks for the SKS G9/A Adapter that are ‘drop-in ready”. We have used an “M” stock with great success. It only required the removal of some material at the rear and front of the stock magwell.  We have also modified a standard wood Yugo stock, several Tapco, T6 style stocks, some Russian factory stocks and some ‘no-name’ wood stocks. We have successfully modified several SGW BullPup stocks using the mill to "open them up". While it can be done with a dremel, care should be exercised to undercut the stock and spread it for a tight, clean look. The easiest way to ‘mark’ your stock for relief is lay the adapter on the stocks bottom and tape around it with blue painters tape (or similar). Relieve the area inside the tape, taking care not to cut the tape. Finish shaping with a File or Dremel.

 

How To Mark Your Rifle Stock For Inletting:

Before you begin to cut your rifle stock, place the stock alongside your rifle with the G9/A Adapter installed in the position that it cycled rounds correctly. Align the Rifle Stock with the Rifle Barrel attachment points. Place blue painters tape (or similar) on the Rifle Stock to indicate the forward and rearward borders of where you will need to cut out stock material. Next, take the G9/A adapter off the rifle and place the G9/A onto your, “Un-cut” bottom of the stock (lower stock in picture below) and mark the side width with the tape. Check and double check yourself before you begin to cut your stock. The upper stock pictured below is what your stock should look like after cutting.

 

7. Final Assembly Of Your Rifle:

 

Congrats you are almost finished. You need your SKS rifle, the FCG correctly trimmed, your stock properly trimmed, a modified magazine (UNMODIFIED XCR, LAR "pistol" ONLY) and your properly fitted G9/A adapter. Install the stock onto your SKS. Lock the FCG in place. Insert the G9/A magazine adapter per the above instructions. Check that the G9/A is locked in place correctly. Lock the bolt back using the BHO. Insert the empty mag and re-check for proper operation as you did in step 5.

 

8. If you still have problems call us: phone: 281.920.4404, cell: 713.498.9990. Canada contact dave, info@magwegdw.com.

 

9. Go to the range and have fun. Take the Allen wrench with you in case you need to make some minor additional adjustments.

 

Please watch our videos on youtube.com related to see all our products. Here is one link to the G9/A Live Fire Demo to get you started:

 https://www.youtube.com/watch?v=q5w4GZIziEg

 

G9/A Live Fire Video Link:  Vist the "Vids" page here at the site.

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 If you are uncomfortable doing the install contact, Ben Murray at Murrays Gunsmithing, 866.232.4867. He can do the install for you. USA ONLY.

 

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From all the staff at TheSKSmagAdapter, LLC, we thank you for using our products. Please pass the word along to your friends. And leave us some 'comments' on our 'Testimonials' page at this site. Thank you.

TheSKSmagAdapter, LLC
The One That Really Works.....REALLY

Marcus Taliaferro

www.TheSKSmagAdapter.com

thesksmagadapter@sbcglobal.net

281.920.4404

 

Last updated January 1, 2016

 

 

 

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