Ruger 57 Slide - Back in March, Custom Smith MFG (CSM) announced a case for the Ruger 57. Well, Michael Bonamico, owner of CSM, was kind enough to send his case over for review. It's called the MP-57, making the Ruger-57 a more practical weapon.
The Ruger-57 is similar to the SIG P320 in that the stock component is a detachable trigger module, which means you can change the frame. Michael Bonamico of CSM took advantage of this when designing the MP-57.
Ruger 57 Slide
While the Ruger-57 is similar in concept to the P320, removing the trigger module is not as easy as the P320. Michael Bonamico created an installation video that was very helpful.
Ruger 5.7 Review
For those of you who haven't seen the video, the thing looks a bit like a 10/22 trigger pack. The trigger module of the Ruger 57 has pins that can slide out and some parts do not stay in place. While the SIG P320 FCU is self-contained.
Since the slide is under the top cover, the CSM gives you a charging handle. You have to tell them if you want a right or left charger. Due to the screw holes, the handle cannot be folded to opposite sides. My Ruger-57 came with a Burris optic mounting plate. Countersunk Torx screws of similar size are used.
The CSM comes with Phillips screws. So if you have a factory Ruger optic mounting plate, you can use these screws instead.
The bottom of the slide is exposed when the top cover is not in place. The cover slides into place and snaps into place at the back. This tab sits under the notch and the pin is driven into the lower front. This locks the cover in place. It cannot be developed like FMG9.
Ruger 57 Rd 5.7x28mm
Just a week after CSM sent me the MP-57 chassis, they came with a +5rd extension that allows you to fit 25 rounds of 5.7x28mm. Closer to 30. FN Five-seveN and MP7 performance.
Like the MP-57 case, the 5th extension is 3D printed. Don't be fooled by the concept of 3D printing. This is the same high pressure stage used for their chassis and is similar to the Panobridge or Nocturn Industries UANVB night vision housing. It is very strong and flexible.
The Ruger 57 magazine body has edges that run down on both sides. So the Mag extension has matching lugs.
My only criticism of the MP-57 Mag Extension is those sharp corners. I'm not sure why they're there other than for aesthetic reasons. I told Michael Bonamic to consider rounding those corners, because if you hit the magazine with your hand, those pointy corners will dig into your palm.
New To Me Ruger 57
I added a Recover Tactical angled magazine clip for better stability. This one is for Glock 21 size magazines. I hope CSM will make a beveled magazine clip for a spare magazine for the Ruger-57.
The MP-57 performs just as well as the Ruger-57, but has the advantage of adding better optics. I tried using the Leupold D-EVO on the MP-57. While it would be perfect to have 6x zoom in a short package, the MP-57 is not played with. The D-EVO lens is too far forward and sits directly above the ejection port. It would cause an ejection malfunction. I think when the brass ejects it bounces off the D-EVO and goes back into the housing.
There were two pieces of brass on the slide below. Noticing this, I tilted the MP-57 down and the brass slid out. Sort of like FS200 or RFB forward throw.
Everyone who shot the MP-57 loved it. The SB Tactical FSB1913 folding stock makes a lot of sense as it is very flat. The only thing the MP-57 needs is a threaded barrel, so you can add a mount/flash or, ideally, a silencer. I'd prefer the MP-57 to be more like the HK MP7 as that's the closest we have right now. I was a little disappointed that I couldn't consistently hit 200 yards, but that's not a fault of the MP-57 chassis. Just a short barrel and lack of energy to push the 5.7x28mm round that far. The round can consistently and accurately hit targets out to 100 yards. This is just the performance of the Ruger-57. The MP-57 housing just makes it more stable and easier to use any optic you want. Ideally, the SBR is your Ruger-57 so you can use better stocks and VFGs.
Ruger 5.7™ Centerfire Pistol Model 16405
The CSM MP-57 retails for $399.99. If you don't want to replace the trigger module, you can send your Ruger-57 to CSM and they can reassemble it for you for an additional $75. For more information, visit the CSM website. The all-new Ruger 57 pistol is a very special weapon that uses 5.7×28mm ammunition. Developed by FN in the 1980s, the 5.7x28mm (5.7) pistol cartridge is a small-caliber, high-velocity pistol cartridge based on the 5.56x45mm SS109 NATO cartridge. Ammo is fast, reaching about 2,000 feet per second exiting the 5-inch barrel. Ruger, here in the United States, just introduced their Model 57 in late December 2019, which uses the 5.7x28mm cartridge. I was fortunate enough to be offered one of the first “hot off the press” Ruger 57 pistols to review and share with you.
Without a doubt, the 5.7x28mm round is an excellent round that offers a number of advantages. The 5.7 round case and bullet are downsized for improved performance over what some say is the 9x19mm. The glove has a long and thin sleeve with a narrow throat and a pointed ball, as you can see in the photo above. It is almost 4 times longer than its diameter. This compares to a standard 9mm round, which is about 1.5 times longer than it is wide. The 5.7x28mm cartridge has its center of gravity further back towards the rear of the bullet than the others. So when the 5.7 round hits the target, the bullet tends to stagger or lean forward and swing from side to side, resulting in a much larger cavity in the wound. This helps transfer the projectile's energy to the target more efficiently, with less chance of penetrating too far into whatever is behind the target. So, a larger wound cavity; Greater energy transfer; Minor over-penetration; More expansion. Some say the 5.7mm cannon has only one-third the recoil of the 5.6mm NATO and two-thirds of the 9x19mm cannon. The charge pressure level is low enough that the gun works with recoil and helps reduce recoil. I had to shoot it myself to see what the recoil was like and to compare it to the fine FN 5.7 pistol I tested HERE in December 2016.
There are mixed opinions about the 5.7 cartridge and pistols and it depends on how you define and measure "power" etc. Although criticized by gun control groups, an ATF investigation found that no commercially available ammunition for the civilian market fired in a 5.7 caliber pistol was capable of defeating ballistic armor, as some had claimed. The second generation 5.7 cartridge was designed for the law enforcement and civilian market. "LF" rounds (SS195LF lead-free) can be used for training and law enforcement, while SS197SR sporting rounds are for civilian use, as armor-piercing ammunition is banned in the US. The SS195LF is a lead-free hollow point (HP) cartridge that has a completely lead-free cartridge and projectile. It is even intended for use on indoor stands or where there is a risk of possible lead contamination. (I prefer outdoor surfaces.)
Some say the cost of the 5.7x28mm ammo is a major disadvantage. Think it over. Civilian SS197SR cartridges cost about $20. per 50 rounds, while the SS195LF HP rounds are about $25 per 50 rounds. So now the ammo seems to be comparable to .45 ACP (eg Speer Gold Dot 230 grain HP $28 for 50 rounds) and other calibers (eg Federal Premium .40 S&W 155 grain HP $28 for 50 rounds). The advantage of a personal wallet.
Arachnigrip Offers Slide Spider For Ruger 57
The 5.7 is now in service with military and law enforcement forces in more than 40 countries, including Canada, France, Spain, Greece, India, Poland, and the United States, including the US Secret Service, some Navy Seals, and the Federal Protective Service. The internal hammer of the Ruger Double Action 5.7 is NOT a SAO hammer as some claim, but cocks whenever a round is chambered. There is no decoder. So I had to try the 5.7 myself to see if this unique weapon and caliber suited me, even though I prefer the 9mm. You can compare this review to my handgun analysis, comparisons, and rankings in the second edition of my book Concealed Carry & Handgun Essentials.
First up are the specs and features for the Ruger 57 pistol. Then I'll give you my 10 criteria that I use
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