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MFI HK SL8 / G36 M4 Fake Silencer / Barrel Shroud (BLANK) / Price Includes: USPS Priority Mail & Insurance!

Designed specifically to fit the SL8 / G36 Conversion.


Limited Supply: only 3 remaining
Was: $160.00
Sale: $135.00
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SHIPPING IS INCLUDED VIA USPS on orders over $82.00 Dollars AND OR If S&H is INCLUDED in the Title / Discription.


Fake Silencers are also known as: Dummy Can, Faux Suppressor, Mock Silencer, Barrel Shroud & Non Functional Sound Suppressor.

These are designed for LIVE FIRING.

This Version of the MFI SL8 / G36 Conversion M4 Fake Silencer is Un-Marked / BLANK..

MFI M4 Style Fake Silencer for PS90 with NO MARKINGS
The MFI M4 Style Fake Silencer does NOT reduce muzzle noise or muzzle flash in any way. So these are 100% legal for the regular civilian to own in all 50 US States.

This product fits BOTH the HK SL-8 & FN PS90.

I have had a couple customers ask it the PS90 can would fit the HK SL8 and sure enough it does. Your SL8 barrel O.D. is @ 0.785" and the can has an I.D. @ 0.795" for a depth of 7.270", so as long as your barrel has at least 7.30" to hide / slip over this will work.

MFI has produced a legal version of the M4 Knights Armament Silencer (to meet current BATF specifications for a Fake Silencer / Non-Functional / Cosmetic Only ) here in the USA. MFI has been a Class II BAFT 07 Manufacturer + SOT & a DOD / Military Contractor so we have access to the real thing here to take measurements off of to assure as close a match as possible. The only areas where we deviate from the original in, is that the Depth of the holes are deeper to reduce weight and add a greater 3D effect and the lettering is changed slightly so as not to violate Knights Armament Intellectual Property Rights.

No FFL needed, No Special License, No Permit Required & No Special Tax Stamp needed to order.

All MFI Barrel Shrouds / Fake Silencer / Mock Suppressors / Faux Silencers are 100% Cosmetic & have ZERO Function. Unlike true vented barrel shrouds / heat shields our products make NO CLAIM to any protection from heat that is generated from the barrel. As you fire, your barrel will heat up and that heat is directly transferred to the MFI Product. Therefore you should NEVER grab hold of the MFI Product if you have fired more than 5 rounds, as you WILL burn your hands.

The MFI M4 & SOCOM Style Fake Silencers do NOT reduce muzzle noise or muzzle flash in any way. So these are to the best of our knowledge 100% legal for the regular civilian to own in all 50 US States.

Obviously it would be impossible for any manufacturer to know every law / regulation / ordinance of every Country, State, County, City or Town on the planet. For this reason you the customer are required to research this issue to be sure you are within the laws of your specific location.

MFI is NOT liable for any item purchased that violates any law(s) or regulation(s) anywhere on the planet.

One would think that common sense would be a good guide line for any issue, but as the US Federal Government lacks any sense of this we are forced to make statements like this.

When MFI is informed of a State's, County's, City's or Town's specific law / regulation / ordinance we will post it here for all to see. We require a copy of the exact wording to verify the validity of the claim.


In accordance with the Joe Biden & Beto O’Rourke directive I personally as well my company no longer own(s) or possess any firearms or ammunition. This includes but is not limited to: Handguns, Pistols, Shotguns, Rifles, NFA items, Hog Legs, Fire Sticks, Smoke Poles and or Thunder Clubs.

All firearms that appear on our web site, regardless of what is written about them, are not owned by the company nor possessed by anyone associated with MFI and may even be CGI / PhotoShop.

Therefore regardless of any new firearms laws / taxes, no probable cause can EVER be assumed on any property (stationary or mobile) owed by myself or MFI.

AGAIN: We are 100% in compliance with any possible new “Biden / O’Rourke Public Safety Act” and therefore NO PROBABLE CAUSE could ever be assumed.

Lastly anyone arriving with a warrant of any kind will be assumed to be an IMPOSTER with intent on murdering us and will be treated as such without warning.

Those invading our territory may receive serious and even fatal wounds from rusty blades, clubs with bent nails, spear tips, arrows and or crossbow bolts.


  • Patented Design.
  • 100% Made in the USA!
  • Designed for LIVE FIRE.
  • The main body is made of 6061-T6 AIRCRAFT GRADE ALUMINUM.
  • Precision CNC machined from billet.
  • Lettering is INDEXABLE / ADJUSTABLE in position.
  • Maximum Outer Diameter: = 37.9mm or 1.495 inches.
  • Maximum Inner Diameter: = 20.48mm or 0.802 inches.
  • Maximum Length: = 187.4mm or 7.30 inches.
  • Weight: 9.4 ounces!
  • Mil. Spec. Acid Etched (anti-glare)
  • Mil. Spec. Anodized to give the unit a semi flat finish.
  • UNMARKED so that you can have your engraver mark it any way you like.
  • Available Professionally Laser Engraved.
  • Comes with: 4 High Temperature Nylon Tipped Set Screws.

The MFI M4 Style Fake Silencer does NOT reduce muzzle noise or muzzle flash in any way. So these are 100% legal for the regular civilian to own in all 50 US States.

The HK SL 8 M4 Fake Silencer / Barrel Shroud fits the Heckler & Koch SL8 WITHOUT ANY MODIFICATION.

This accessory does NOT affect the accuracy of the weapon in any way.

The SL8 M4 Fake Silencer slides over your barrel and is held on by 4 nylon tipped set screws. The nylon tipped set screws will not dent your barrel as much as the steel tipped set screws do. This is High Temperature Nylon so they will NOT melt. If you want steel tipped set screws all you have to do is pull the nylon tips off.

Sliding anything over your barrel or using any type of set screw WILL leave a mark. If your are worried about marking or scratching your barrel, this product is NOT for you.

You can index / position the area without holes any where you like as the rotation of the outer body is stabilized / stopped by the set screws that makes contact with the hidden barrel.


This item is NOT RESTRICTED FOR DOMESTIC US SALES in any way and we offer DOMESTIC USA shipping to ANYONE. We ship to all 50 US States as well as all US Territories i.e. Guam & Puerto Rico. Sorry we can NOT ship to ANY APO address regardless of actual location.

This item is 100% RESTRICTED FOR EXPORT OUTSIDE THE USA. The US Department of State regulates / restricts this product and it is NOT EXPORTABLE outside the USA even to LE, Governments or Military without State Department approval.

This approval is AVAILABLE through MFI as we are an ITAR / Dept. of State Registrant with the Directorate of Defense and Trade Controls Office. We can obtain a US State Dept. Export License for you.

Please feel free to contact us if you have any questions on this issue.

Ammo Issues


Extensive testing has shown that of the 3 commercially available 5.7 ammo that the SS197 is the PREFERRED munition to use.

The SS195 has proven to be EXCESSIVELY DIRTY and WILL cause massive fowling and carbon build up between the fake silencer and the flash suppressor of the PS90. While this is NOT dangerous to the user it does make getting the fake silencer very difficult to remove.

Even as few as 30 rounds of SS195 will result in this problem. If you use the SS195 and have this removable issue the best resolution is to remove the set screws and spray WD-40 or other lubricant into the holes (use a lot) and let it run down the barrel to the PS90 Flash Suppressor. Let it sit 5 to 10 minutes and then gently work the fake silencer free. WARNING trying to remove without lubricate could result in damage to the finish of the PS 90.

The SS196 ammunition has not yet been tested.

Please use the SS 197 ammunition:

We have fired over 300 rounds of the SS 197 at one time and have NOT run into any excessive carbine build up. We highly suggest that regardless of the ammunition that you choose to use that you test 15-20 rounds first and then check to see if the fake silencer moves freely or not. As you know we are not in control of what goes into any ammunition. Ammunition can vary form Lot to Lot as well.

MFI will NOT be modifying existing in stock product to allow use of the SS195. We are addressing this issue and will likely make some changes to any future production of this item if we find a suitable answer. In short it takes time to test all available ammo and be 100% sure of our final decision. The end result may also be similar to the SOCOM MK23 and SOCOM USP fake silencers in that the user may be limited to specific ammo for trouble free shooting.


  • M4-PS90-BLANK
  • M4-PS90-BLANK
  • MFI
  • Available
  • New


Shipping Information

  • Item Requires Shipping
  • 1.0 lbs.
  • SHIPPING IS INCLUDED VIA USPS on orders over $82.00 Dollars AND OR If S&H is INCLUDED in the Title / Discription.

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