Tuning SDS 10 Round Magazines for Saiga and Lynx Shotguns

Well, Scott, Brooks and I went shooting a few weeks back. I was really excited to take my new SDS Lynx out and I had bought four brand news SDS 10 round magazines that I took out of the wrapper and threw in my range bag. That turned out to be a mistake. The photo above is of Scott trying to clear yet another jam from the Lynx with one of the 10 round magazines inserted – they had feed failures constantly.

One of the things I was told years ago was to test everything before you rely on it. Now granted I was just going to the quarry to shoot with my friends but I really should have tested those magazines. Of the four, only one kind of worked. The followers were all hanging up about an inch from the top. The five round SDS magazine that came with the shotgun ran great but five founds at a time is not the most exciting thing. It was frustrating and disappointing at the same time.

The Lynx and the mags went back in the gun case and I felt pretty stupid for not checking the mags before going. On the other hand, they were brand new and should have worked. I was more than a bit miffed also – clearly there was a manufacturing issue, Followers should spring to the top of a magazine like a rocket – not get stuck part way down. A person should not need to buy magazines and then tune them inside – getting them to fit an AK-style weapon, sure that happens all the time, but not needing to redo the internals.

In the following photos notice how the followers are not all the way to the top compared to the small 5 round magazines.

At that point I made a decision – the SDS magazines really did look well made and rather than send them back, I decided to tune them and document what I did to share with others.

The Lynx shotgun uses Saiga magazines so this design is common and writing up what to do might very well help others out. So with my mind made up, it was just a matter of finding the time to do it.

A couple of weeks went buy before I could dig in but finally the time came. I’m going to try and show you what I found and explain what you need to do to correct it. You’re going to need a Dremel (or similar rotary tool), rubberized polishing bits, felt/wool polishing bits, and a plastic polish – I use Plastix a lot but even toothpaste would work. Yes, toothpaste is a very fine grit polish – you can even use it to polish plastic headlights.

Disassembling a SDS Magazines

The SDS magazine comes apart just like any AK magazine – you push the button on the bottom with a screw driver and slide the floor plate off of the magazine body. Now take a look at it. It can only push off one. All of the magazine Parts in the SDS can only go one way.

So push the button down and shove the floor plate in the direction of the opening. You may need to use a small Mallet or something hard to give it a little bit of a whack to get it started.

Now once you get that floor plate off the rest is going to want to spring out so use your thumb to keep it from flying across the room or in your face.

Fixing The Problem Area

The problem area in the magazines seem to be in the upper inch to inch and a half. You’ll see a mold seam that needs to be erased using the Dremel tool with the rubberized abrasive tips as well as it being tight in general all the way around.

So the first thing I did was to use a small rubberized abrasive tip to erase the mold seemed entirely that runs around the inner area of the magazine. In the next two photos you’ll see a shiny protruding lip inside the magazine that is just above the follower — that is the mold seam I am speaking of. It’s important to note that the follower is binding even before getting to that seam.

I used a small rubberized fine abrasive tip in my Dremel to literally erase the mold seam flush with the rest of the mold body.

At this point I blew out the magazine body with compressed air and the overall fit of the follower to the magazine body was just too tight. It and the body needed to be thinned a bit – not a bunch, just a bit.

In terms of the trimming, I would definitely recommend that you use the abrasive tip to remove just a little and test over and over. I can’t stress this enough – don’t try to do it all at once. As the saying goes, it’s easier to take more material off than to try and put it back on.

I wound up switching to a bigger rubber abrasive wheel when I did the follower and as far as I could reach in with the bit on the Dremel. The bit is still fine, I would not recommend using anything very aggressive. I used this bit on the follower and the inside of the magazine body. You just need to take a little bit of material off. I went all the way around the magazine body and the follower in that top area. You’ll see just below the scene there is a little elevated area inside the magazine that guides a follower up into position that is too tight.

Now I found I needed to do a second step to really smooth things out. The abrasive bit leaves a rough surface and the next thing I did was to use a felt bob/bit with felt on the end in my Dremel along with Plastix polish to finely polish all the surfaces. I tried skipping this step with a couple of the magazines and the end result was so much better that I went back and polished the surfaces I worked on in all of the magazines.

The polishing with the Plastix really made a big difference and I would recommend you do it as well. You could tell the parts were smoother. Definitely wipe everything down and do not leave the grit in the magazine.

Next, I sprayed the Dupont Teflon dry film lubricant in the magazine body and on the follower. I would not recommend using oil or anything that leaves a residue that dirt will stick to. Instead you want something that is going to leave a dry film behind. This really fixed everything once and for all.

I then reassembled the magazines. As mentioned the parts can only go one way. I never took the spring off the bottom plate so I didn’t have to worry about its orientation.

I went ahead and did one final spray of Teflon around the follower and let it run down in. While it is still a liquid, the lubrication will not be very good. You need to let it dry. In my case, it shot up like a rocket. Job done.

End Result

The magazines all seem to work fine now. I think the problem was a combination of the mold seam and that inside area being just a tad too tight. I hope this post helps you out. Small side note to SDS – you really ought to fix this.

10/15/18: First thing this morning SDS reached out to me and is sending replacement magazines. I will test them and report back. They have sold over 3,000 magazines with just a few problems so I might just literally have a bad batch.


If you find this post useful, please either buy something using one of the links to eBay and Amazon. With Amazon, if you click on one of our links and then buy something else – even unrelated stuff like clothes, electronics and groceries – we get credit and it would be hugely appreciated. Doing something like the above will help us fund continued development of the blog.


NEW Tapco STK07320 Intrafuse Polymer Black 12 Gauge Saiga Shotgun Handguard Rail

$30.95
End Date: Tuesday Dec-11-2018 17:43:17 PST
Buy It Now for only: $30.95
Buy It Now | Add to watch list

NEW Tapco STK07160 Black Amidextrous Infrafuse Saiga Shotgun T6 Stock Set

$54.95
End Date: Tuesday Dec-11-2018 16:55:22 PST
Buy It Now for only: $54.95
Buy It Now | Add to watch list

Saiga shotgun 8 round Magazine, new, never used

$35.00
End Date: Monday Dec-10-2018 13:07:43 PST
Buy It Now for only: $35.00
Buy It Now | Add to watch list

Tapco STK07160 Black Amidextrous Infrafuse Saiga Shotgun T6 Stock Set New

$59.95
End Date: Thursday Nov-22-2018 7:46:56 PST
Buy It Now for only: $59.95
Buy It Now | Add to watch list

Tapco STK07160 Black Amidextrous Infrafuse Saiga Shotgun T6 Stock Set New

$65.79
End Date: Sunday Dec-9-2018 18:46:10 PST
Buy It Now for only: $65.79
Buy It Now | Add to watch list

TACBRO® Shotgun Saiga 12 Gauge Over Barrel Thread On Display Device

$65.95
End Date: Tuesday Nov-27-2018 12:28:53 PST
Buy It Now for only: $65.95
Buy It Now | Add to watch list

Russian Izhmash Saiga-12 12 GA Automatic Shotgun Rare Vintage Orig BOX ONLY*

$124.99
End Date: Thursday Dec-13-2018 10:31:26 PST
Buy It Now for only: $124.99
Buy It Now | Add to watch list

TAPCO GUN PARTS CATALOG! PISTOL AMMO SHOTGUN AR AK RUGER SKS SAIGA

$12.85
End Date: Wednesday Dec-12-2018 10:32:39 PST
Buy It Now for only: $12.85
Buy It Now | Add to watch list

New SKB Waterproof Plastic 42.5" Gun Case Saiga 12 Semi Automatic Shotgun

$184.95
End Date: Thursday Nov-29-2018 8:43:18 PST
Buy It Now for only: $184.95
Buy It Now | Add to watch list

Dremel 3000 28-Piece Variable Speed Corded Multipurpose Rotary Tool Kit New

$64.00
End Date: Monday Nov-19-2018 1:50:32 PST
Buy It Now for only: $64.00
Buy It Now | Add to watch list

Dremel 3000-N/18 Variable Speed Rotary Tool NEW

$52.00
End Date: Friday Dec-14-2018 13:45:26 PST
Buy It Now for only: $52.00
Buy It Now | Add to watch list

Lot of 5 Brand New Dremel 199-04 High Speed Cutters

$27.99
End Date: Friday Dec-14-2018 13:41:04 PST
Buy It Now for only: $27.99
Buy It Now | Add to watch list

Dremel 2050-15 Stylo+ Versatile Craft Tool

$30.00 (0 Bids)
End Date: Wednesday Nov-21-2018 13:20:49 PST
Bid now | Add to watch list

Dremel 7700 Rotary Tool Compact and Lightweight Cordless 7.2V

$26.00
End Date: Friday Dec-14-2018 11:24:06 PST
Buy It Now for only: $26.00
Buy It Now | Add to watch list

Dremel 3000 Variable Speed Rotary Tool Kit (w/ Hard Case)

$59.95
End Date: Monday Nov-19-2018 10:00:40 PST
Buy It Now for only: $59.95
Buy It Now | Add to watch list

Dremel MultiPro 395

$9.99 (0 Bids)
End Date: Monday Nov-19-2018 5:59:53 PST
Buy It Now for only: $19.99
Buy It Now | Bid now | Add to watch list

NEW Lot of 3 Dremel Drywall Bit Cutting #560

$3.99 (1 Bid)
End Date: Friday Nov-23-2018 16:38:05 PST
Bid now | Add to watch list

Dremel 200 Series 1.15 Amp Dual Speed Corded Rotary Tool Kit with 15 Accessories

$35.00
End Date: Thursday Dec-13-2018 12:56:05 PST
Buy It Now for only: $35.00
Buy It Now | Add to watch list

Dremel 4000 Series 1.6 Amp Corded Variable Speed High Performance Rotary Tool

$49.99
End Date: Thursday Dec-13-2018 12:48:13 PST
Buy It Now for only: $49.99
Buy It Now | Add to watch list

DREMEL MULTI-MAX 6300 OSCILLATING MULTI-TOOL KIT (GCE034288)

$54.99
End Date: Thursday Dec-13-2018 11:48:12 PST
Buy It Now for only: $54.99
Buy It Now | Add to watch list

NEW 684-01Dremel Cleaning And Polishing Moto Tool Kit 20 Pc NEW

$11.95
End Date: Wednesday Dec-12-2018 18:50:04 PST
Buy It Now for only: $11.95
Buy It Now | Add to watch list

Pre Owned DREMEL 8220 12 Volt Cordless Rotary Tool Kit Bundle FREE SHIP

$80.00
End Date: Wednesday Dec-12-2018 17:15:30 PST
Buy It Now for only: $80.00
Buy It Now | Add to watch list

5 Dremel EZ456 1-1/2-Inch EZ Lock Rotary Tool Cut-Off Wheels for Metal

$11.99
End Date: Wednesday Dec-12-2018 17:10:28 PST
Buy It Now for only: $11.99
Buy It Now | Add to watch list

2018 Dremel 4000-1/26 Premium Rotary Tool Kit - New No Box or Manual!

$39.09 (14 Bids)
End Date: Wednesday Nov-14-2018 19:34:26 PST
Bid now | Add to watch list

DREMEL ROTARY TOOL KIT MODEL 285 TYPE 5 NICE COND MANY ACCESSORIES

$20.00 (11 Bids)
End Date: Sunday Nov-18-2018 18:00:49 PST
Bid now | Add to watch list

DREMEL 400 XPR Variable Speed w/ Flexible Shaft Attachment & Other Attachments

$49.99
End Date: Monday Dec-10-2018 16:16:25 PST
Buy It Now for only: $49.99
Buy It Now | Add to watch list

Dremel Saw-Max

$25.00 (0 Bids)
End Date: Saturday Nov-17-2018 13:18:14 PST
Bid now | Add to watch list

Williams Gunsmith Front Sight Adjusting Tool Pusher

$1.25 (2 Bids)
End Date: Sunday Nov-18-2018 18:12:36 PST
Bid now | Add to watch list

1911 GUNSMITH-3rd. HAND- BEST FRIEND- ROLL PIN HOLDER- HOZAN-JAPAN

$11.99
End Date: Thursday Dec-13-2018 12:23:18 PST
Buy It Now for only: $11.99
Buy It Now | Add to watch list

Vintage Gun Parts, Gunsmith Screws

$4.95 (1 Bid)
End Date: Monday Nov-19-2018 17:33:13 PST
Bid now | Add to watch list

Vintage Gun Parts, Gunsmith Screws

$6.70 (4 Bids)
End Date: Monday Nov-19-2018 17:23:36 PST
Bid now | Add to watch list

NO-M.A.R® 308 223 Multical Upper Receiver Vise Block Gunsmith Barrel Nut Tool

$19.99
End Date: Sunday Dec-2-2018 10:17:21 PST
Buy It Now for only: $19.99
Buy It Now | Add to watch list

NO-M.A.R® 223 Basic Upper Receiver Vise Block Armorers Gunsmith Barrel Nut Tool

$12.99
End Date: Sunday Dec-2-2018 10:13:32 PST
Buy It Now for only: $12.99
Buy It Now | Add to watch list

NO-M.A.R® 223 Multi-Slot Lower Receiver Vise Block Armorers Gunsmith Bench Tool

$12.99
End Date: Sunday Dec-2-2018 10:00:23 PST
Buy It Now for only: $12.99
Buy It Now | Add to watch list

Gunsmith DoAll MultiMake Barrel Action Wrench

$115.00
End Date: Sunday Dec-2-2018 4:49:03 PST
Buy It Now for only: $115.00
Buy It Now | Add to watch list

NO-M.A.R® 223 Upper Receiver Vise Block Armorers Gunsmith Barrel Nut Tool

$17.99
End Date: Saturday Dec-1-2018 18:44:34 PST
Buy It Now for only: $17.99
Buy It Now | Add to watch list

NO-M.A.R® 308 762 Pin Upper Receiver Vise Block 10/25 Gunsmith Barrel Nut Tool

$18.99
End Date: Saturday Dec-1-2018 12:47:56 PST
Buy It Now for only: $18.99
Buy It Now | Add to watch list

Gunsmith Screwdriver Set Winchester 51 Piece Magnetic Tip 12 Flat Head

$14.20
End Date: Friday Nov-30-2018 22:21:21 PST
Buy It Now for only: $14.20
Buy It Now | Add to watch list

Hammer Punch Brass Set Gunsmithing Gun Shooting Repair Tools Wheeler Drifting

$20.59
End Date: Saturday Dec-1-2018 0:24:32 PST
Buy It Now for only: $20.59
Buy It Now | Add to watch list

1911 GUNSMITH /MACHINIST- TOME FETEIRA 5 FILE SET #1 CUT

$42.29
End Date: Wednesday Nov-28-2018 10:49:35 PST
Buy It Now for only: $42.29
Buy It Now | Add to watch list

NO-M.A.R® 308 Lower Receiver Vise Block LR/SR 10/25 Gunsmith Magazine Bench Tool

$14.99
End Date: Sunday Nov-25-2018 15:19:43 PST
Buy It Now for only: $14.99
Buy It Now | Add to watch list

Pachmayr 03062 Master Gunsmith Plug Screw Set 120 Pieces Orange Hard Case

$45.95
End Date: Saturday Nov-24-2018 1:02:42 PST
Buy It Now for only: $45.95
Buy It Now | Add to watch list

Menck 22 Chamber Ironing Swage, Rimfire Gunsmith Tool 1/4 Inch Hex Drive

$24.99
End Date: Friday Nov-23-2018 12:20:31 PST
Buy It Now for only: $24.99
Buy It Now | Add to watch list

Armorer Set Lower/ Upper Vise Block/ Combo Wrench/ Removal Tool Gunsmith Tool

$15.99
End Date: Wednesday Nov-21-2018 14:45:53 PST
Buy It Now for only: $15.99
Buy It Now | Add to watch list

Armorer Set Lower/ Upper Vise Block/ Combo Wrench/ Removal Tool Gunsmith Tool

$8.99
End Date: Wednesday Nov-21-2018 14:45:53 PST
Buy It Now for only: $8.99
Buy It Now | Add to watch list

Armorer Set Lower/ Upper Vise Block/ Combo Wrench/ Removal Tool Gunsmith Tool

$25.99
End Date: Wednesday Nov-21-2018 14:45:53 PST
Buy It Now for only: $25.99
Buy It Now | Add to watch list

Russia Automatic AK Shirt "Bridges burning behind your back" 50 US40 100% Cotton

$35.00
End Date: Sunday Nov-25-2018 17:16:29 PST
Buy It Now for only: $35.00
Buy It Now | Add to watch list

I Love AK Shirt Heart Alaska State Gift Long Sleeve Sport Gray Red T-shirt S-5XL

$18.99
End Date: Sunday Nov-18-2018 12:41:04 PST
Buy It Now for only: $18.99
Buy It Now | Add to watch list

I Love AK Shirt Heart Alaska State Gift Long Sleeve Sport Gray Red T-shirt S-5XL

$18.99
End Date: Sunday Nov-18-2018 12:41:04 PST
Buy It Now for only: $18.99
Buy It Now | Add to watch list

I Love AK Shirt Heart Alaska State Gift Long Sleeve Sport Gray Red T-shirt S-5XL

$18.99
End Date: Sunday Nov-18-2018 12:41:04 PST
Buy It Now for only: $18.99
Buy It Now | Add to watch list

I Love AK Shirt Heart Alaska State Gift Long Sleeve Sport Gray Red T-shirt S-5XL

$18.99
End Date: Sunday Nov-18-2018 12:41:04 PST
Buy It Now for only: $18.99
Buy It Now | Add to watch list

I Love AK Shirt Heart Alaska State Gift Long Sleeve Sport Gray Red T-shirt S-5XL

$21.99
End Date: Sunday Nov-18-2018 12:41:04 PST
Buy It Now for only: $21.99
Buy It Now | Add to watch list

I Love AK Shirt Heart Alaska State Gift Long Sleeve Sport Gray Red T-shirt S-5XL

$21.99
End Date: Sunday Nov-18-2018 12:41:04 PST
Buy It Now for only: $21.99
Buy It Now | Add to watch list

I Love AK Shirt Heart Alaska State Gift Long Sleeve Sport Gray Red T-shirt S-5XL

$21.99
End Date: Sunday Nov-18-2018 12:41:04 PST
Buy It Now for only: $21.99
Buy It Now | Add to watch list

I Love AK Shirt Heart Alaska State Gift Long Sleeve Sport Gray Red T-shirt S-5XL

$21.99
End Date: Sunday Nov-18-2018 12:41:04 PST
Buy It Now for only: $21.99
Buy It Now | Add to watch list

I Love AK Shirt Heart Alaska State Gift Long Sleeve Sport Gray Red T-shirt S-5XL

$18.99
End Date: Sunday Nov-18-2018 12:41:04 PST
Buy It Now for only: $18.99
Buy It Now | Add to watch list

I Heart Love AK Shirt Alaska Pride State Last Frontier Sport Gray White T-shirt

$15.99
End Date: Monday Dec-10-2018 10:36:24 PST
Buy It Now for only: $15.99
Buy It Now | Add to watch list

I Heart Love AK Shirt Alaska Pride State Last Frontier Sport Gray White T-shirt

$15.99
End Date: Monday Dec-10-2018 10:36:24 PST
Buy It Now for only: $15.99
Buy It Now | Add to watch list

I Heart Love AK Shirt Alaska Pride State Last Frontier Sport Gray White T-shirt

$18.99
End Date: Monday Dec-10-2018 10:36:24 PST
Buy It Now for only: $18.99
Buy It Now | Add to watch list

I Heart Love AK Shirt Alaska Pride State Last Frontier Sport Gray White T-shirt

$18.99
End Date: Monday Dec-10-2018 10:36:24 PST
Buy It Now for only: $18.99
Buy It Now | Add to watch list

I Heart Love AK Shirt Alaska Pride State Last Frontier Sport Gray White T-shirt

$18.99
End Date: Monday Dec-10-2018 10:36:24 PST
Buy It Now for only: $18.99
Buy It Now | Add to watch list

I Heart Love AK Shirt Alaska Pride State Last Frontier Sport Gray White T-shirt

$18.99
End Date: Monday Dec-10-2018 10:36:24 PST
Buy It Now for only: $18.99
Buy It Now | Add to watch list

I Heart Love AK Shirt Alaska Pride State Last Frontier Sport Gray White T-shirt

$15.99
End Date: Monday Dec-10-2018 10:36:24 PST
Buy It Now for only: $15.99
Buy It Now | Add to watch list

I Heart Love AK Shirt Alaska Pride State Last Frontier Sport Gray White T-shirt

$15.99
End Date: Monday Dec-10-2018 10:36:24 PST
Buy It Now for only: $15.99
Buy It Now | Add to watch list

I Heart Love AK Shirt Alaska Pride State Last Frontier Sport Gray White T-shirt

$15.99
End Date: Monday Dec-10-2018 10:36:24 PST
Buy It Now for only: $15.99
Buy It Now | Add to watch list

I Heart Love AK Shirt Alaska Pride State Last Frontier Black White Red T-shirt

$15.99
End Date: Friday Nov-30-2018 11:04:08 PST
Buy It Now for only: $15.99
Buy It Now | Add to watch list

See larger image

Additional Images:Img - B079BY7QMC
Img - B079BY7QMC
Img - B079BY7QMC
Img - B079BY7QMC
Img - B079BY7QMC

Vortex Optics Crossfire Red Dot Sight – 2 MOA Dot (Sports)

Vortex Crossfire Red Dot Sight is arguably one of the best NEW and affordable dots on the market. Vortex spares no expense on their optics. The Vortex Crossfire Red Dot Sight is no different. Vortex Crossfire Red Dot Sight provides a functionality and durability that is top-of-the-line. With its’ lightweight and ultra-compact design and unlimited eye-relief, the Vortex Crossfire Red Dot Sight features an amazing 2-MOA easy acquisition dot and 11 levels of brightness. The Vortex Crossfire Red Dot Sight will not disappoint with its’ rapid engagement of targets while out in the great outdoors. Should you be wanting to buy a top of the line red dot sight that won’t eradicate your bank account, choose the Vortex Crossfire Red Dot Sight.

Features: 

  • The super-light, ultracompact, insanely-fast-on-target Crossfire Red Dot was designed for close-range and general shooting.
  • The daylight-bright, 2-MOA dot, is easy to acquire and promotes rapid engagement of targets, yet is fine enough to more precisely engage targets at distance. 11 intensity levels of brightness let shooters cater the dot intensity to the situation at hand.
  • Skeletonized mount offers two height options (Low and Lower 1/3 Co-Witness) – lending its functionality to rifles, shotguns, and pistols.
  • Fully multi-coated lenses increase light transmission during low light situations. Unlimited eye relief makes for quick target acquisition.
  • A shockproof aluminum body displays extreme durability. Nitrogen purged and o-ring sealed, the Crossfire Red Dot delivers waterproof performance.

List Price: $149.00 USD
New From: $149.00 USD In Stock
buy now

(Visited 67 times, 1 visits today)

Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.