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All NFA Rules Apply. |
CLICK HERE FOR INSTALLATION INSTRUCTIONS.
Fits Only SIG Sauer 556 Pistol.
As a Class III manufacture we are well aware of the requirements of the most demanding customer. Our customers include:
MFI designs the most applicable & cost effective accessories available. Do NOT let our low prices fool you. We NEVER sacrifices CRAFTSMANSHIP or QUALITY for price.
This item is NOT RESTRICTED FOR DOMESTIC US SALES in any way and we offer DOMESTIC USA shipping to ANYONE. Sorry we can NOT ship to ANY APO address regardless of actual location.
This item is
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. mfrost@mfiap.com
SIG 556 Pistol with MFI 556P/2 Hand Guard, Retaining Ring & Flash Suppressor.
All NFA Rules Apply.
SIG 556P/2 Hand Guard & Retaining Ring
After hearing from many customers who insisted on the 552 Style Hand Guard with the holes and bipod leg cut outs as found on the original SIG SAN 552 smg, we dumped our previous idea which was a blend of 551 & 552 styles.
What you see here is what we are doing. We will NOT be making a Hand Guard Retaining Ring that will work in conjunction with a cut down 551 hand guard.
Applications / What Works & What Does Not:
The Concessions of the manufacturing process:
We are utilizing existing tooling that was abandoned by a previous client. This tooling was abandoned when SIG USA released the vastly different model of the SIG 556P than what they had originally advertised.
We were lucky that this was even available & usable as we had so few requests for this product. New tool / die would have cost in excess of $80,000.00. What I am getting at is that we are constrained / forced to use tooling that is not 100% our design. So in order for the customer to 100% understand what they are getting we have listed the differences below.
Let's remember that the original 552 hand guards were made from the longer SIG 550 hand guards. SIG Switzerland cut the 550 hand guards down to length and then drilled holes in either side. You could also do the same assuming you can find SIG 550 hand guards in the appropriate color.
Deviations from the original:
The material we use has to be PVC instead of Ballistic Nylon (what we normally use.) I am not sure what SIG Switzerland uses but, the PVC that we use is closer in color and texture to the original SIG 550/1/2 than the material used by SIG USA for the 556 hand guards.
While we would have preferred to use the Ballistic Nylon (as in our RIS Rail Grip) or something similar to the Original Swiss SIG material but, we are constrained to the type of material that the mold was designed to use. Again we did not choose the specifications for this mold as it was up to our client.
The material is slightly thinner than original. Meaning 0.130" instead of 0.160"; which is about the thickness of 2 playing cards.
The out side ribs are not as tall as the original. Meaning at a depth of 0.030 instead of 0.034"; which is hardly noticeable.
Even though all of these are very minor if even noticeable in appearance, we mention them so that there are no surprises. I know how we all hate surprises especially the kind that cost us money, so unlike the current administration we are being as transparent as possible...
On the Original Swiss Hand Guards there is a bracket on the inside of the top hand guard that mates with part of the gas tube. This bracket is not there on the MFI 556/2 Hand Guard as it was not included in the original mold. I believe the original client of this mold felt it was un-necessary and left it out to save on tool making money. He was basically correct as what really keeps the hand guards stable and in place is the fit front to back; which is somewhat sloppy on the originals. Also the cut out on the top of the hand guard for the SIG Scope mount dove tail aids in the stability which is an exact copy of the original.
Heat Resistant:
I have tested these on a SIG 556P converted to full auto. As fast as I could / one right after another without stopping, I ran 6 - 30 round magazines through the weapon. The hand guard plastic did NOT get hot... it did get warm where my hand grips the lower, but not enough to cause me any discomfort or concern. Sorry at $18.00 per mag in ammo cost I did not feel wasting more ammo would change / reveal anything new. So 100% safe for any semi auto but, if you are a total purest and or plan to continuously fire more than 6 magazines in full auto without a break, then you can always just buy the MFI Hand Guard Retaining Ring and hope to find some original 550 hand guards in black and cut them down, drill the holes yourself.
Fit, Finish & Strength:
Inside connecting hooks are also thinner than the original. Meaning they are 0.098" instead of 0.155". They appear to be as strong as the originals. Ours is far superior in terms of brakeage to the SIG USA 556 hand guard material which is brittle in comparison to the PVC or the original 550/1/2 hand guards. If fact I have never seen a broken tab from an original 550, 551 or 552 hand guard or even one for sale cheap because of this. I have had about 30% of all the SIG USA 556 Hand Guards break off at least one tab or crack in the front on personal weapons though. I have tried to twist off / break off the tabs on our hand guard. They are very resilient to say the least & I have no concerns about these.
The PVC material is ever so slightly smoother than original Swiss SIG grips. Again hardly noticeable.
The fit is far superior to originals as ours is much tighter fit front to back and the Hand Guard Retaining Ring has a wider lip / deeper groove to keep the front from slipping out.
The holes in the MFI SIG 556P/2 Hand Guard are absolutely round and straight in line. As the original SIG 552 Hand Guards were done by hand and with a hand drill, they are not always symmetrical and the holes tend to be oval shaped given the curvature of the hand guard. We over come this by burning the holes out with a laser. Yes, this is far more costly than doing them by hand but, the end result is a far cleaner and rounder hole.
Installation:
Installation does require that you remove the Gas Block / Front Sight off your SIG 556P. You can NOT use the MFI SIG 556P/2 Hand Guards with the existing 556P hand guard retaining ring as it will be loose and look incorrect.
I would NOT even offer these parts if I did not feel that 98% of you SIG 556 owners could do this.
Installation is very straight forward and easy. We have detailed instructions available for you to look over before you purchase these parts.
CLICK HERE FOR INSTALLATION INSTRUCTIONS.
HISTORY:
As many of you know by now... The SIG 556 Pistol hand guards are longer than the SIG 552 hand guards, so even if someone was able to get a 552 hand guard and the retaining ring they would NOT fit the SIG 556P.
Additionally all you SIG 552 fans need to be aware that the reason why SIG USA did this is because if you shorten the Gas / Recoil Spring System any more than what is on the SIG 556 Pistol you then have to use the original SIG 552 Bolt & Bolt Carrier, Cocking Handle, and Entire Recoil System; which is completely different from the SIG 550/1 and the SIG 556 systems. Basically when they made the 552 the front spring that pulled the bolt forward into battery could not be made strong enough to fully lock up the weapon. They then changed the bolt carrier to accommodate an additional spring system behind the blot that pushed the bolt forward similar to an AK47.
The SIG 552 was not expected to be a huge success and SIG Switzerland did not want to invest money in new hand guard tooling for specific hand guards like the 550 or 551 with the reduction area in the front to fit into the gas block for the 552 SMG. So they made a hand guard retaining ring that allowed them to cut down the SIG 550 hand guards to a size that would fit the SIG 552. As they lost all the heat venting slots (rectangles that you see on the 550 [ 5 of them ] or on the 551 [ 3 of them ] with the exception of the very back end of the first one in the hand guard, they then drilled 5 holes on either side through the plastic. No these holes were NOT molded into the plastic... that is why when you look at an original 552 hand guard the holes are sometimes not aligned with each other from one side to the other. This is why when you compare 550 and 552 hand guards they are a prefect match in the rear area including the lower grooves for the bipod legs when folded. It was a cost savings issue. This is why it was second nature for SIG USA to cut down 556 hand guards and make a retaining ring to make the 556 Pistol.
Remember they could not cut it down to the size of the original 552 because of the recoil spring tension issue. So they could not use exiting 552 parts and they did not want to buy 550 hand guards from Switzerland for ($285.00) and a 552 retaining ring (priceless) and then cut the 550 HG down to size, then drill holes in it; like the 552 has... the end result being way over budget and still not looking 100% correct.
The above is why we are doing it the way that we are. We can not afford, or should I say that you the customer would not pay for the cost of the tooling for new hand guards which would make each one at least $275.00. So we opted for the next best method. I am sorry but, unless you want to do a full blown SIG 552, meaning you will need to buy an original SIG 552 parts set @ $3500.00+ then this is the next best thing.
We strive to provide a product that will not disappoint.
SPECIFICATIONS / SPECIAL FEATURES:
So if you are looking for the Most Cost Effective way to get the Original Look of the SIG 552 front end you can stop looking.
TRUST YOUR LIFE TO QUALITY... NOT LOWEST PRICE!
MFI SIG 556P/2 Hand Guard (Black Only) & MFI 552 Style Retaining Ring Set:
Retail @ $185.00 but, ON SALE @ $145.00
(IN STOCK & READY TO SHIP!)
Offer Ends Without Notice!
MFI SIG 556P/2 Style Hand Guard Retaining Ring ONLY:
Retail @ $85.00 but, ON SALE @ $65.00 (IN STOCK & READY TO SHIP!)
Offer Ends Without Notice!
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For more information call: 606-787-0022 10:30 AM to 6:30 PM (East Coast Time)
Address: MFI 563 Via San Miguel Liberty, KY. 42539 U.S.A.