JK 155 RPX 45

Purchase between 11/1/2025 and 11/30/2025, receive a JK CCX 9 with the purchase and registration of any JK Armament suppressor through JKarmament.com. Full details/registration can be found here. *See terms below.

One can to suppress your whole collection, from pistols to rifles, the RPX .45CAL has you covered with its large bore, HUB mount size, Mission Configurable design, and JK Armament’s Unlimited, Unconditional, Lifetime Warranty.

With its .45 caliber bore and our most advanced Rifle Pistol System (RPX) baffle design that merges rifle and pistol suppression performance into a single suppressor, the RPX .45CAL is ready for duty on pistols, carbines, rifles, machine guns, and more. From 9mm and 45 ACP to 300 Blackout, 338 ARC, 308 WIN, 458 SOCOM, and so many more all the way up to 300 Win Mag, the RPX .45CAL has your whole collection covered (minimum barrel lengths apply to some calibers).

FEATURES AND BENEFITS OF THE RPX .45CAL:

• Suppress Everything: From .223 to .45-70 Gov’t, .22 LR to .45 ACP—subsonic or supersonic.
  
• Featherweight Firepower: Built light for the backcountry, steady for precision—carry it all day, shoot it all week.
  
• Titanium Where It Counts: Full-auto rated with a titanium blast baffle tough enough for .300 Win Mag abuse.
  
• Mount Up Your Way: Ships with an ASR-compatible Taper Mount and uses the universal 1.375x24 HUB thread. Run it how you like.
  
• No B.S. Lifetime Warranty: Unlimited. Unconditional. And fully backed by JK Armament—because confidence should come standard.

TECHNICAL SPECIFICATIONS:

• Length - 3.3" - 8.7" (Configurable), 2.8" - 8.2" (Configurable w/o mount)
• Diameter - 1.55"
• Weight- 3.6 - 11oz (Configurable)
• Build Material: Grade 5 Titanium blast baffle and 7075 Billet Aluminum modular baffles
• Finish - Black, Type 3 Hard Anodize & Cerakote
• Full-Auto Rated: Yes
• Barrel Restrictions:
  • Full-auto on handgun calibers up to 45 ACP plus on subsonic 300 BLK and 338 ARC with no minimum barrel length
  • Sporting use on 7.62x39, 223/5.56, 6.5 CM, 308 WIN, 458 SOCOM, 45-70 Gov’t, 7MM RemMag, 300 WinMag, etc. with minimum barrels from 8.5” to 20” depending on caliber

WHAT'S IN THE BOX:

• 1 x JK 155 LT Quick Attach Taper Mount
• 1 x JK 155 LT 2.5" Tube
• 1 x JK 155 Pro Rifle Baffle
• 7 x JK 155 LT Pistol Baffle
• 1 x JK 155 LT Flash Reducer End Cap

HOW TO BUY THE JK 155 RPX 45 WITH SILENCER SHOP

1. Add the JK 155 RPX 45 to your cart. Make sure to include a tax stamp for each item and a Single Shot Trust if applicable. The Single Shot Trust makes it easy to add friends and family as additional users of the suppressor.
2. Head to your selected Powered By Silencer Shop dealer with a kiosk to complete your demographic and fingerprint scan in just five minutes. Snap a selfie and upload it online within your customer portal with the Silencer Shop app.
3. Silencer Shop will email an electronic document to you. Please review and digitally sign the file from your computer or mobile device.
4. Set up your ATF eForms account at eforms.atf.gov. Make sure your email, name, and address match your Silencer Shop profile information exactly.
5. You'll receive an email from Silencer Shop that says "Ready to Certify" and includes the phone number of your local Powered by Silencer Shop dealer. Set up a time to certify with your dealer and submit the form to the ATF for processing

*Promotion Terms and Conditions

Submit your proof of purchase and form4 submission by 02.01.26 to claim it. Customer is responsible for the cost of ATF tax stamp(s). No limit on redemptions. No backorders or layaways. JK Armament reserves the right to end the promotion at any time (should this happen, all purchases made prior to the end of the promotion will be honored). Products cannot be returned or exchanged outside of the JK Armament Unconditional Unlimited Lifetime Warranty. Open only to persons who may legally purchase and own a silencer (legal U.S. residents age 21 or older in states that permit silencer ownership). Void where prohibited. This offer cannot be combined with any other JK Armament promotion. Additional Terms and Conditions apply, please visit https://jkarmament.com/ccxbogo2025