The best suppressors for a DPMS .300 Blackout AR Pistol are high-performance 30-cal cans that handle high pressure, with top choices including the CAT ODB (best overall), Surefire SOCOM300-SPS (excellent signature reduction), and LPM Anthem S2. These options offer low backpressure and superior sound suppression for short barrels.
Top Suppressor Recommendations
Best Overall: CAT ODB (Top choice on Reddit and pomg.com for suppression and gas mitigation).
Best for Sound/Signature: Surefire 300 SPS (Known for excellent flash and sound reduction).
Best Value/Performance: YHM Resonator R2 (Effective and budget-friendly).
Best for Short Barrels: SilencerCo Omega 300 (Reliable, compact).
Best Flow-Through/Low Backpressure: Dead Air Nomad 30 or Sandman X.

Good read: guns.com/news/best-300-blackout-suppressors
OR
classicfirearms.com/silencerco-omega-300-dt-su5400/

guns.com/news/best-300-blackout-suppressors

Good afternoon to you!! If you really want to get a silencer for your DPMS 300BO. You can go online to silencer Central and they will walk you through everything. They will give you a list of silencers, with pricing, show you how to pay (pay straight up or payment plan with no interest) set up your trust, send you fingerprint cards, upload your picture, send in all paperwork for you. PLUS... You get a free T-shirt. Cost $550-$1200. Hope this helps. Have a good rest of your day.
🇺🇸🇺🇸 'Merica' 🇺🇸🇺🇸
silencercentral.com

Hi Gary, the SilencerCo Omega 300 is a highly recommended suppressor for .300 Blackout, which is compatible with your DPMS 300 AR pistol. This suppressor is known for it's versatility, durability, and effective sound reduction.
classicfirearms.com/silencerco-omega-300-dt-su5400/
Stay safe & have a great day!

Check with silencer Central. They will walk you through it and do the paperwork for you.
silencercentral.com

Hi Gary and welcome. The Gemtech Tracker 30 Cal Suppressor is a great bang, or lack thereof, for the money. https://alexandersstore.com/product/gemtech-tracker-sprsr-30cal-blk/ ---------- The GP-7™ Silencer is also a great short barrel 30cal suppressor: https://griffinarmament.com/product/gp-7-silencer-direct-thread-5-8x24/ --- Cheers, stay safe and enjoy!