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Now Buying Semi-Auto and/or Full-Auto Broken MACs, Registered Receivers, part sets, new or like new parts, magazines, and/or accessories for the MAC series semi-auto or full-auto machine guns.

Do you have a MAC open bolt semi-auto gun or full-auto machine gun that you want to sell?  Do you have one that is broken and just wasting space in the safe?  Did someone pass one down to you and you would rather have the money than the gun?  Do you have a registered receiver that was never built into a working gun?  Maybe you feel like your gun has been damaged beyond repair and you’d have just thrown it away years ago, but you just can’t bring yourself to do it.  Do you have part sets rusting away in your basement?  Do you have cases of grease gun, Zytel, Uzi, or Sten magazines that you don’t need?  Did you sell off your MAC and keep the accessories, but now you really don’t want them?

If any of the scenarios above sound like you then contact us.  We are now buying the guns that you don’t want.  Tell us your asking price and we will be happy to make you a reasonable offer and we will pay you in full as soon as we complete the transfer paperwork. 

We will only buy legal guns.  Please do not contact us if you have a full-auto gun that does not have paperwork.  We are not interested in contraband.

Please call or email us with what you have at:  410-404-0320 or

Happy Shooting

Key words:  MAC Mac-10, M10, M10/9, M10/45, Cobray®, Ingram, Military Armament Corp., Jersey Arms Works, JAWS, Hatton Industries, Marshall Arms, MPA, Masterpiece Arms, M11, MAC-11, M11/9, M11A1, M11-380, Machine Gun, SMG, Repair, Practical Solutions, SWD, RPB, Lage, UZI, Grease gun, Zytel

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Will a Semi-Auto Safety Slide Function in your Full-Auto MAC Machine Gun?

Here is a common problem we get from customers:  “My MAC Machine Gun will only run with irregular burst fire regardless of the position of the selector lever.”  Often times when our customers have this problem, prior to coming to us for help they will throw parts at the problem such as a new bolt, new springs, new extractor, and the list will sometimes go on and on.  Then after researching the issue further the customer will discover that the Safety Slide is what is causing the problem.  The cheapest and most prevalent source for a new safety slide is an aluminum safety slide designed for the Semi-Auto MACs.  See picture below:

So this brings us to the title question.  Will a Semi-Auto Safety Slide function in your Full-Auto MAC Machine Gun?  This a good question and the short answer is yes but not for long.  OK, so that’s not a good enough answer.  Here’s the long answer and explanation.  

The original style safety slide was made of cast aluminum.  Now-a-days, most of the safety slides on the market are also cast aluminum.  Aluminum is a soft metal and when under heavy stress it will wear out pretty quickly.  In the case of an aluminum safety slide, when in use, it is constantly being compressed by the sear which keeps the sear from dropping too far and thus allowing the machine gun to shoot full auto without the trip getting in the way of the disconnector.  However, with each round, that steel sear wears away at the aluminum safety slide and after a certain point, the safety slide is worn away too far and the resulting malfunction is irregular burst fire. 

Sometimes the customer will purchase a safety slide designed for a semi-auto MAC because these are the cheapest and easiest to come by.  This option will work in the short run.  Go back to the picture listed above; look at the semi-auto safety slide furthest to the right.  See where the arrow is pointing to the worn area?  The semi-auto safety slide comes new with that cut out area.   So, not only is the area that holds the trip in place cut away when it’s new, but it’s also aluminum so it’s soft and will wear quickly. 

Now look at that same area on the full-auto safety slide just to the left.  As you can see, it’s not cut out in any way.  This allows for more material to hold the sear from dropping and thus allowing for full-auto fire.  This part will last much longer than the semi-auto safety because it will take more time for the sear to wear away at the aluminum.  This is what we call an actual repair, not just a temporary fix.

Lastly, look at the two safeties on the left.  These are designed and manufactured by us, Practical Solutions, as an improvement to the original design.  Not only do our safety slides have even more surface area to stop the sear travel than the original, but they are also made of steel.  Steel on steel will last much much longer than steel on aluminum. 

If you are having issues like these with your MAC, you can buy one of our safety slides or if you have questions, please call us at:  410-404-0320 or email us at:

Happy Shooting!

Key words:  MAC Mac-10, M10, M10/9, M10/45, Cobray®, Ingram, Military Armament Corp., Jersey Arms Works, JAWS, Hatton Industries, Marshall Arms, MPA, Masterpiece Arms, M11, MAC-11, M11/9, M11A1, M11-380, Machine Gun, SMG, Repair, Practical Solutions, SWD, RPB, Lage, Uzi, Grease gun, Zytel

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M10/45 Machine Gun For Sale

M10 right

Left side

This is a new Marshall Armaments M10/45 Full Auto Machine Gun.  We built this from a registered frame into a fully functional and reinforced gun that uses all the latest parts.  This will come with our Uzi style folding stock, paddle magazine release, and non reciprocating side cocking upper receiver.  The front sight is fully adjustable and the upper receiver also has a full length Picatinny Rail.  There are reinforced welds on feed ramp, and double welds at sight plate.  This is the last of this kind that we have for sale.  If you are interested in this beauty, please contact us for details and for pricing.

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Only 1 M10/45 left for sale.

There’s only one left.  Don’t be left out…

We had 5 stripped receivers that we have built into complete guns and have added some of our most popular accessories and gone over each one with a careful eye to make sure all holes, welds, working parts are reinforced and in perfect working order.  Now, we only have one left.  Contact us now to discuss the details and to secure it as yours before it’s gone.


  Don’t become a part of the Holiday Madness!


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New M10/45 Machine Guns For Sale

imagesFor those of you who are wondering just what you are going to buy with your Income Tax Refund, we have an answer!  Just in time for tax refund season, we have new M10/45 machine guns for sale.  Here are the details.  These are in limited supply and since they already have reinforced welds and some of our best selling accessories, we imagine they’ll sell fast.

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As our way of saying Happy Holidays and thanks to our customers, we are offing free standard shipping on all orders over $50.00. But hurry, this offer will expire on 12/31/14.

Our online store is now populated with most of our inventory and the shopping cart and credit card processing modules are working correctly. So go ahead and add our items to your Christmas lists and place your orders.

Lastly, if you are looking for something that isn’t listed on our site or is listed as out of stock. Send us an email and we’ll see if we can help you in any way.

Fine Print – Free shipping is standard USPS priority mail. This offer applies to online purchases only. It does not include the shipping of guns. We will make every effort to ship ordered items as quickly as possible and most will be shipped within 24 hours.

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Product Status in our Shop

We are working on populating our products in our online store. This means that we are inserting pictures of our items, inputting inventory levels, entering descriptions, etc. This is slow going but we are actively working on it.  We apologize for the delay and any inconvenience. Right now, all of our products are showing as out of stock because we are still building our shipping and online payment modules. We don’t want to make anyone really really mad by trying to place an order online and running into errors upon completing your order.

There is good news though, we DO have products for sale and we ARE machining parts and repairing/modifying MAC Machine Guns on a daily basis (this is why it’s taking us so long to get our online store up and running!) We are also capable of taking credit card payments over the phone.  If you have any questions about our products and/or services, please do not hesitate to contact us at: or 410-404-0320.


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Our FFL/SOT Status

After numerous calls to ATF, we finally have our license!  We have been cutting out parts and building M11 Stocks, our Side Cocking Uppers and M10 .22 Kit parts.  Almost all of our machines are now set up and operational, however we are still setting up the shop and are not totally up to speed.  If we have spoken with you recently and you have been waiting to send us your gun for repairs/modifications please contact us at 410-404-0320 or to discuss getting it shipped to us.  We appreciate your patience and look forward to working with all you again!

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The Move to Tennessee it complete, but we are still setting up!

Wow!  It’s been a very long time since our last post and we apologize for the silence, but we’ve spent the last year preparing for and relocating from Maryland to Eastern Tennessee.  We’ve been researching the prospect of relocating to a more 2nd Amendment friendly state for years, but when Maryland’s Governor Martin O’Malley signed the gun-control bill into law in May of 2013, we knew we must get out fast, and so we did.  Within 6-months of signing the law, we had purchased property in beautiful Eastern Tennessee and we’ve spent every moment since then planning and moving our home and business.  Now, the move is complete and we are in the process of getting the machine shop online and we are anxiously awaiting the reinstatement (due to change of address) of our license by ATF which we applied for in the first part of May.  It appears as though ATF is not in a hurry – STILL!

We now have pointing to our new website – and we are currently working on rebuilding our online store as well as our inventory.  Again we apologize for the inconvenience but please do not hesitate to contact us at or 410-404-0320 to inquire about MAC parts, accessories, repairs, modifications, reparkerizing, etc.