BANISH 9K: The 2.7-Ounce Titanium Suppressor on the Day 50 Echelon Build

Last updated: June 4, 2026 · Originally published: June 5, 2026

50th Day of Silence:

Day 50 of Silencer Central’s 100 Days of Silence — your chance to win one of the most compact 9 mm suppressors the BANISH 9K (MSRP $799). But wait, there’s more we’re also gonna talk about the Springfield Armory echelon that’s also part of the 50th day of silence and how both the suppressor and pistol make the perfect match. Entry for The 50th Day of Silence opens at 10:00 AM CT and closes at 10:00 PM CT on June 5, 2026, for U.S. residents 21 and older outside restricted states. All giveaways require a separate entry.

Black semi-automatic pistol resting in a foam-padded protective case labeled Springfield Armory

What’s in the prize in the 50th day of silence, prize package

  1. Springfield Armory Echelon 4.5F 9mm (model EC9459B-3D) — optics-ready, tritium 3-dot night sights, 20+1 capacity, Melonite finish. Provided by GunPrime.com
  2. A Heighth Defense HGM825 shroudless PDW grip module — the Echelon Central Operating Group (COG) transfers into the Height grip module transforming your Echelon into a PDW Provided by Height Defense
  3. BANISH 9K — one of the most compact 9mm suppressors available: 2.7 oz, 4.1 inches, 3D-printed titanium, direct-thread, no Nielsen device required. Provided by BANISH Suppressors
  4. Five boxes of Winchester Super Suppressed 9mm 147gr (SUP9) — subsonic encapsulated FMJ, 990 fps, 320 ft-lbs. Provided by Winchester Ammunition
  5. Armorer app — one-year membership. Track round counts, maintenance intervals, and service history for every firearm you own. Provided by Armorer APP
  6. Silencer Central Form 4 / NFA processing + direct-to-door delivery of the BANISH 9K. Silencer Central’s posted approval averages currently run 4 days for individual filings and 18 for trusts. The suppressor ships from Silencer Central directly to the winner — no FFL transfer required.

(Each of the other prizes ships from its respective sponsor: GunPrime sends the Echelon, Heighth Defense sends the HGM825 module, Winchester sends the SUP9 ammo, and the Armorer membership activates digitally.)

50th Day of Silence Giveaway: Win the Banish 9K Suppressor and Springfield Armory Echelon 4.5F 9mm Pistol

As we hit the 50th Day of Silence at PopularSuppressors.com, we’re giving away a dream suppressed pistol package that’s perfect for anyone who values quiet, reliable performance. Sponsored by BANISH, one lucky winner will receive the groundbreaking Banish 9K 9mm suppressor. Gunprime is stepping up with the Springfield Armory Echelon 4.5F 9mm pistol (model EC9459B-3D). Together with 500 rounds of Winchester Super Suppressed (SUP9) ammunition, this trio delivers a complete, ready-to-run suppressed shooting system that’s compact, lightweight, and incredibly effective.
The BANISH 9K redefines what a pistol suppressor can be. An ultra-light and compact enough for everyday carry or home defense without sacrificing sound reduction. The Echelon 4.5F brings modern striker-fired ergonomics, optics-ready capability, and proven reliability to the table. Add in Winchester’s suppressor-optimized SUB9 ammo, and you have a setup that’s whisper-quiet, low-recoil, and built for real-world use. Whether you’re hitting the range, preparing for self-defense, or simply enjoying suppressed shooting, this giveaway package has you covered.

Close-up of the top end of a black cylindrical tool with a textured grip, standing on a rust-colored surface.

The BANISH 9K Suppressor – Compact Power from Banish

The BANISH 9K is a 3D-printed titanium masterpiece engineered for maximum efficiency in the smallest possible package. Built by BANISH, it’s one of the lightest and most concealable 9mm suppressors on the market. No piston or booster is required thanks to its featherweight design. Simply direct-thread it onto a 1/2×28 barrel and go. It delivers impressive sound reduction while remaining rated for full-auto fire on 9mm supersonic and .300 BLK subsonic rounds.Here are the key specifications:

  • Caliber: 9mm (also rated for .380, 5.7×28, 9mm, and .300 BLK)
  • Length: 4.1 inches
  • Diameter: 1.3 inches
  • Weight: 2.7 oz
  • Material: 100% high-grade titanium (additive manufactured / 3D-printed)
  • Baffles: 8
  • Mount Style: Direct thread (1/2×28 or M13.5×1 LH)
  • Sound Reduction: 26 dB (drops typical 9mm to approximately 132 dB at the ear)
  • Finish: Black Cerakote
  • Full-Auto Rated: Yes (9mm supersonic & .300 BLK subsonic)
  • Warranty: Lifetime

This suppressor proves you don’t need size to get serious quiet.

The Springfield Armory Echelon 4.5F 9mm (Model EC9459B-3D) – Modern Duty-Grade Performance from Gunprime

The Echelon 4.5F is Springfield Armory’s flagship striker-fired pistol, designed from the ground up for duty, defense, and range work. Sponsored by Gunprime, this 9mm model combines billet-machined durability with intuitive ergonomics and optics-ready versatility. Its 4.5-inch hammer-forged barrel, captive recoil system, and low-bore-axis design deliver excellent control and accuracy shot after shot.Key specifications include:

  • Caliber: 9mm
  • Barrel: 4.5″ hammer-forged steel, Melonite® finish, 1:10 twist
  • Slide: Billet machined, Melonite® finish, optics ready
  • Frame: Black polymer with medium grip module
  • Sights: Tritium 3-dot (low-light ready)
  • Recoil System: Captive
  • Grip Width: 1.2″
  • Magazines: Includes one 17-round and one 20-round magazine
  • Weight: 23.9 oz (with flush magazine); 24.3 oz (with extended magazine)
  • Overall Length: 8″
  • Height: 5.5″ (flush mag) / 6.5″ (extended mag)
  • Finish: Black

The Echelon’s fully ambidextrous controls and modular chassis make it a shooter’s pistol that feels natural in the hand.

Man with a beard and glasses aiming a black handgun outdoors, finger off the trigger and arms extended.
The Author enjoyed his personal BANISH 9k and Echelon 45 pistol combo

Why the BANISH 9K and Echelon 4.5F Make a Perfect Match

These two pieces were practically made for each other. The BANISH 9K’s ultra-light 2.7-ounce weight and direct-thread design add almost zero bulk or imbalance to the Echelon’s already low-bore-axis frame. The pistol’s 4.5-inch barrel and captive recoil system cycle reliably with the added suppressor mass, while the Echelon’s optics-ready slide and excellent ergonomics keep the whole package controllable and fast on target. The result is a compact, balanced suppressed pistol that’s easy to carry, quick to deploy, and dramatically quieter than an unsuppressed setup. Whether you run it suppressed at the range or keep it ready at home, the combo feels like a single, purpose-built system rather than two separate parts slapped together.

Winchester Super Suppressed SUP9 Ammo – The Perfect Fuel for This Suppressed Duo

To complete the package, 500 rounds of Winchester Super Suppressed (SUP9) 9mm ammunition take the quiet performance to the next level. This 147-grain encapsulated full-metal-jacket subsonic load is purpose-built for suppressors. It leaves the muzzle at a gentle 990 fps, maximizing sound reduction with the Banish 9K while producing minimal flash and recoil. The fully encapsulated bullet design dramatically reduces lead and carbon fouling inside the suppressor, keeping the Banish 9K cleaner shot after shot. The Echelon’s reliable feeding geometry and 1:10 twist barrel stabilize these subsonic rounds beautifully, delivering consistent accuracy and soft-shooting performance. With 500 rounds included, the winner can get straight to the range and enjoy hundreds of quiet, clean, hearing-safe rounds right out of the box.
Box labeled Winchester Super Suppressed 9mm Luger subsonic ammunition on a wooden workbench in a workshop.
Winchester ammo sup9

Who Benefits Most from the BANISH 9K Suppressor?

The BANISH 9K shines for shooters who want quiet without compromise. Especially those who prioritize concealed carry (CCW), self-defense, or a night-stand/home-defense gun. Its tiny 4.1-inch length and 2.7-ounce weight make it truly practical for everyday carry on a threaded-barrel pistol. In a defensive scenario, the dramatic sound reduction (down to ~132 dB) protects your hearing and reduces the risk of disorientation or family members being startled by a loud gunshot. The low flash and subsonic-friendly design (especially with SUP9 ammo) keep you stealthy at night. Range enthusiasts and plinkers love it too, because it turns a regular 9mm pistol into a backyard-friendly shooter that doesn’t require double hearing protection. If you value discretion, comfort, and real-world usability, the BANISH 9K is one of the smartest upgrades you can make.

Final Thoughts

The 50th Day of Silence giveaway brings together cutting-edge suppressor technology, a best-in-class modern pistol, and suppressor-optimized ammunition in one unbeatable package. Whether you’re building your ideal home-defense rig, upgrading your range toy, or looking for the ultimate quiet CCW setup, this Banish 9K + Echelon 4.5F + Winchester SUP9 combo delivers everything you need.
Good luck to everyone who enters, you could be the next owner of this exceptional suppressed pistol system! What’s stopping you from entering right now?  Stay quiet, stay safe, and we’ll see you on the (very quiet) range.

 

The Silencer Central Form 4 2026 workflow, step by step

Silencer Central has spent 18 years simplifying ATF paperwork, and its published processruns from purchase to porch without the owner leaving home. Condensed from the company’s own eleven steps, the workflow looks like this:

  1. Purchase — or in this case, the Day 50 draw. The suppressor enters Silencer Central’s system.
  2. Profile. A link arrives by email; the buyer completes a secure customer profile.
  3. Fingerprints. Silencer Central mails fingerprint cards — with a free t-shirt in the box — and the buyer ships the cards back.
  4. Signatures. The paperwork is signed digitally through another emailed link.
  5. The call. A scheduled phone call reviews everything, then Silencer Central submits the eForm 4 to ATF.
  6. The 4473. The buyer completes the standard federal firearm-transfer form.
  7. CLEO notice. Silencer Central sends the required notification to local law enforcement; shipment waits seven days from the CLEO acknowledgement.
  8. Approval and delivery. ATF approves, the suppressor ships to Silencer Central’s licensed dealer in the buyer’s state, and then to the front door.

The company communicates by email and text throughout, and the customer portal shows progress at every stage. As a gunsmith, the detail I respect most is the call before submission — a complete, correctly filled application is what keeps an approval from stalling, and they check yours before ATF ever sees it.

How to enter the 50th Day of Silence

  1. Go to popularsuppressors.com/100-days-of-silence/ on Friday, June 5, 2026.
  2. Enter between 6:00 a.m. and 10:00 p.m. Central Time — every giveaway day requires its own entry.
  3. Complete the entry actions in the panel.
  4. Watch for the winner announcement — the drawing is Saturday, June 6, 2026, and winners are posted to the Winners Page and emailed the following day.

Frequently asked questions

How quiet is the BANISH 9K? It reduces sound by 26 decibels, bringing 9mm down to 132 decibels at the ear — below the 140-decibel level where hearing damage begins. Pair it with subsonic ammunition and the supersonic crack disappears too.

Do I need a Nielsen device or booster? No. At 2.7 ounces, the 9K is light enough that the pistol cycles normally — it threads directly onto the barrel. BANISH notes that minor spring or ammunition adjustments may be needed on some pistols.

What calibers can it handle? .380 ACP, 5.7×28, 9mm, and .300 BLK. It carries full-auto ratings for 9mm supersonic and .300 BLK subsonic.

What thread pitches does it come in? 1/2×28 standard or 13.5×1 LH metric — the two common 9mm threaded-barrel patterns.

Can I take it apart to clean it? No — BANISH lists the 9K as not self-serviceable. The titanium body is sealed, which is one more reason the Day 50 prize package pairs it with Winchester’s encapsulated-base ammunition: cleaner-burning rounds keep a sealed suppressor happier longer.

Who can enter Day 50? U.S. residents aged 21 or older in suppressor-eligible states. Excluded: CA, DE, FL, HI, IL, MA, NJ, NY, RI, and DC.

What’s next

Additive manufacturing changed what a pistol suppressor can weigh, and the 9K — patent pending — is BANISH’s clearest statement of where that technology leads: smaller, lighter, printed as one piece. Expect the rest of the industry to chase that number for years. For now, 2.7 ounces of titanium sits at the center of the Day 50 prize package, waiting on a winner and a nine-day Form 4.

Enter the 50th Day of Silence

The 50th Day of Silence opens at 6:00 a.m. Central Time on Friday, June 5, 2026. The BANISH 9K, GunPrime’s threaded-barrel Springfield Armory Echelon 4.5F, a Heighth Defense HGM825 PDW package with stock, five boxes of Winchester Super Suppressed 9mm 147gr, a one-year Armorer app membership, and Silencer Central’s full Form 4 service with delivery directly to the winner’s front door.

Enter the 50th Day of Silence →

See the full Day 50 prize package on the master article →

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About the author

James Nicholas is a working gunsmith, the Brand Avalanche Media network’s lead author, and the personality behind tacticool.com. Find him @therealxdman on X, Instagram, and YouTube.

FTC sponsor disclosure

This article is part of the 100 Days of Silence campaign, a flat-paid sponsorship engagement between Brand Avalanche Media, Inc. and Silencer Central. BANISH Suppressors is the Day 50 sponsor providing the BANISH 9K. No sponsor reviewed or approved this article. The author retains full editorial independence.

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James Nicholas

07/02 NFA Firearms Manufacturer & Professional Gunsmith

The XDMAN has a talent for taking complex firearms subject matter and breaking it down into an easy-to-understand format that all experience levels can relate to. James is an 07/02 NFA Firearms Manufacturer, a Professional Gunsmith with over 20 years of experience, and a Firearms Writer, Photographer and Firearms Expert. Connect with him on Instagram, X, and Facebook as @therealxdman.