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Receivers Pistol Caliber Carbine Handguards Pistol Caliber Stripped Upper Receivers Firearms Pistols Beretta Pistols Browning Pistols Canik USA Pistols Charter Arms Pistols Colt Pistols CZ Pistols EXTAR Pistols FNH Pistols Glock Pistols Grand Power Pistols H&K Pistols Henry Pistols Hi Point Pistols Kel-Tec Pistols Kriss Pistols Mossberg Pistols NAA Pistols Polymer 80 Pistols Q Pistols Rock Island/Armscor Pistols Ruger Pistols Sig Sauer Pistols Smith & Wesson Pistols Springfield Armory Pistols Stoeger Pistols Taurus Pistols Walther Pistols Rifles AR-15 Rifles AK-47 Rifles Adams Arms Rifles American Tactical Rifles Anderson Mfg. Rifles AR Lower Receivers AR-10 Rifles Bergara Rifles Century Rifles Colt Rifles CVA Rifles Daniel Defense Rifles Diamondback Rifles Global Ordnance Rifles FNH Rifles Henry Rifles Howa Rifles Kel-Tec Rifles Kriss Rifles Marlin Rifles Remington Rifles Rossi Rifles Ruger Rifles Savage Rifles Seekins Precision Rifles Sig Sauer Rifles Smith & Wesson Rifles Spike's Tactical Rifles Springfield Armory Rifles Shotguns Benelli Shotguns Beretta Shotguns Browning Shotguns Citadel Shotguns CVA Shotguns CZ Shotguns Franchi Shotguns H&R Shotguns Kel-Tec Shotguns Mossberg Shotguns Remington Shotguns Retay Shotguns Smith & Wesson Shotguns Stoeger Shotguns TriStar Shotguns Weatherby Shotguns Winchester Shotguns AR Lower Receivers Bolt Action Receivers Suppressors Dead Air Armament Suppressors Energetic Armament Suppressors Griffin Suppressors HUXWRX Suppressors Otter Creek Labs Suppressors Resilient Suppressors SilencerCo Suppressors Thunder Beast Suppressors YHM Suppressors Optics & Mounts AGM Optics Aimpoint Optics Athlon Optics ATN Optics Binoculars Burris Optics Bushnell Optics Eotech Optics Holosun Optics IRay Optics PARD Thermal Optics Optic Mounts One Piece Scope Mounts Specialty Scope Mounts Scope Rings Primary Arms Optics Pulsar Optics Riton Optics Scope Covers & Caps Scope Mounting Tools Scope Rails Howa Scope Rails Henry Scope Rails Marlin Scope Rails NEF/HNR Scope Rails Remington Scope Rails Ruger Scope Rails Savage & Stevens Scope Rails Thompson Center Scope Rails Weatherby Scope Rails Winchester Scope Rails Scope Rings Burris Scope Rings Seekins Scope Rings Vortex Scope Rings Warne Scope Mounts Warne Scope Rings Weaver Scope Rings Sig Sauer Optics Sig Sauer Range Finders Sig Sauer Red Dot Sights Sig Sauer Rifle Scopes SOUSA Thermal & Night Vision Optics Vortex Optics Vortex Apparel Vortex Binoculars Vortex Monoculars Vortex Optics Accessories Vortex Range Finders Vortex Red Dots Vortex Rings Vortex Rifle Scopes Vortex Spotting Scopes Warne Mounts & Rings Gun Parts 10/22 Accessories 1911 Accessories AK47 Accessories AK Grips Beretta Accessories Bolt Action Accessories Bolt Action Barrels Bolt Action Receivers CZ Accessories Accessories for Glock Accessories for Glock 17 & 19 Accessories for Glock 21 Accessories for Glock 22 & 23 Accessories for Glock 27 Accessories for Glock 34 Accessories for Glock 42 Accessories for Glock 43, 43X & 48 Accessories for Glock 44 GSG & SIG 1911 Accessories Hi Viz Sights Kel-Tec Accessories PMR-30 Accessories Laser Sights Magazines All Pistol Magazines 10/22 Magazines 1911 Magazines AICS Magazines AR-10 Magazines AR-15 Magazines AR 22LR Magazines & Drums Beretta Magazines FN Magazines GSG/SIG 1911 .22LR Magazines Kel-Tec Magazines Magazines for Glock Ruger Pistol Magazines Savage Rimfire Magazines Sig Sauer Magazines Smith & Wesson Magazines Springfield Magazines Stoeger Magazines Stribog Magazines Taurus Magazines Walther Magazines Pistol Accessories Handgun Grips Holsters & Belt Clips Pistol Lights & Lasers Pistol Sights Thread Protectors & Adapters Polymer 80 Accessories Remington Accessories Remington 700 Accessories Rimfire Accessories AR15.22 Parts CZ Rimfire Parts GSG & SIG 1911 Upgrades Ruger Rimfire Parts Savage Rimfire Parts S&W Rimfire Parts Tactical Solutions Parts Rimfire Thread Adapters Walther Rimfire Parts Ruger Accessories 10/22 Accessories LC9 & LC380 Accessories LCP Accessories MK Pistol Accessories Ruger PC Carbine Accessories SR22 Accessories Savage Accessories Shotgun Accessories Choke Tubes Benelli Shotgun Accessories Mossberg Shotgun Accessories Remington Shotgun Accessories Sig Sauer Accessories Sig Cross Accessories P320 Accessories P365 Accessories S&W Accessories M&P Pistol Accessories Shield Accessories Springfield Accessories Hellcat Accessories XD Accessories XDs Accessories Suppressors and Adapters AAC Suppressor Accessories Dead Air Suppressors & Accessories Gemtech Suppressor Accessories Griffin Suppressors and Accessories Otter Creek Suppressors and Accessories Q Suppressor Accessories Rearden Suppressor Accessories Rugged Suppressors & Accessories SilencerCo Suppressors & Accessories YHM Suppressors and Accessories Taurus Accessories Walther Accessories Shooting Gear 3-Gun Accessories 3-Gun Handguards 3-Gun Muzzle Devices 3-Gun Optics 3-Gun Shotgun Accessories 3-Gun Triggers Airguns & Accessories Bench Shooting Supplies Bipods Harris Bipods Clothing and Apparel Browning Apparel Eyewear FREE Tee Shirts Hunters Specialties Apparel Galco Belts Vortex Apparel Eye & Ear Protection Hearing Protection Shooting Glasses Flashlights Gun Cleaning Products Slip 2000 Otis Cleaning Kits Gun Safes & Lock Boxes Gunsmithing Tools Hunting and Outdoor Gear Boating & Marine Equipment Camping Equipment Knives Boker Knives CobraTec Knives Cold Steel Knives Gerber Knives Glock Knives Kershaw Knives Microtech Knives Morakniv Knives Old Timer Knives Smith & Wesson Knives Schrade Knives Lucky Shot Accessories Monopods Personal Defense Equipment Pepper Spray Pistol Holsters Reloading Supplies Rifle Slings Tactical Slings Tactical Gear Targets AR500 Steel Targets Exploding Targets Paper Targets Trail Cameras Tripods Ammunition Personal Defense Ammo Pistol Defense Ammo Shotgun Slugs & Buckshot Pistol Ammo 22TCM Ammo 5.7 Ammo 32ACP Ammo 380ACP Ammo 38SPL & 357MAG Ammo 9MM Ammo 40S&W Ammo 10MM Ammo 45LC (Colt) Ammo 45ACP Ammo 44MAG & SPL Ammo Rifle Ammo 204 Ruger Ammo 22 ARC Ammo 22 Hornet Ammo .223/5.56 Ammo 22-250 Ammo 224 Valkyrie 243WIN Ammo 6mm ARC Ammo 6mm Creedmoor Ammo 25-06 Ammo 260 Remington Ammo 6.5 Grendel Ammo 6.5 Creedmoor Ammo 6.5 PRC Ammo 270WIN Ammo 6.8 SPC Ammo 7mm PRC Ammo 30 Carbine Ammo 7.62x39 Ammo 300BLK Ammo 30-30 Ammo 303 British Ammo 308/7.62 Ammo 300 PRC Ammo 7.62x54R Ammo 30-06 Ammo 300 Win Mag Ammo 338 ARC Ammo 8MM Mauser Ammo 338 Lapua Ammo 350 Legend Ammo 450 Bushmaster Ammo 45-70 Ammo 458 SOCOM Ammo 50BMG Ammo Rimfire Ammo 17HMR Ammo 17WSM Ammo 22LR Ammo 22MAG (WMR) Ammo Shotgun Ammo 410 Bore Ammo 20 Gauge Ammo 12 Gauge Ammo By Manufacturer Aero Precision Armaspec Bravo Company (BCM) C-Products Magazines CMC Triggers CMMG Daniel Defense Dead Air Armament Faxon Firearms Griffin Armament Griffin Muzzle Devices Griffin Scope Rings Hiperfire Triggers Holosun Joe Bob Outfitters JP Enterprises Muzzle Devices Accessories Gas System Parts Lower Parts Handguards KAK Industries Kaw Valley Precision Handguards Stock Kits & Buffers Muzzle Devices 9MM Barrels 40S&W Barrels 10MM Barrels 45ACP Barrels Complete Uppers KNS Precision LUTH-AR Stocks Magpul Forearms/Grips Mags/Mag Accessories Ruger American Accessories Shotgun Stocks Sights Slings/Adapters Specialty Tools AR-15 Stocks Odin Works Odin Barrels Odin Handguards Odin Gas Blocks Odin Accessories Polymer 80 Radian Weapons Global Ordnance Rock River Arms Complete Uppers Lower Parts Upper Parts Stocks/Kits SB Tactical Seekins Precision AR Barrels AR Lowers AR Uppers Scope Rings/Mounts Muzzle Brakes Handguards Ruger Precision Rifle Scope Bases Sig Sauer SilencerCo SilencerCo Suppressors Spike's Tactical Spike's Lower Receivers Spike's Lower Parts Spike's Upper Parts Spike's Upper Receivers Strike Industries Timney Triggers Timney AR-10 Triggers Timney CZ Triggers Timney AR-15 Triggers Timney Remington Triggers Volquartsen Vortex Optics New Products Sales! ***SALE BIN*** Newsletter Deals ***CLOSEOUTS*** Current Promotions & Coupons ***BLEMISHED*** California Magazine Restrictions HOW TO ORDER A FIREARM HOW TO ORDER A SUPPRESSOR Military & LEO Discount ***Sale Bin*** All Manufacturers Joe Bobs Parts Newsletter Deals Gift Certificates Joe Bobs Shirts Blemished Items Closeout Items Careers Help & FAQ Home > Gun Parts > Suppressors and Adapters > Rearden DPB Dual Port Brake - Nitride - Square Shoulder Alternative Views: MSRP: $89.00 Sale Price: $80.10 JoeBob dun saved you $8.90! Availability: This item is currently on order Product Code: REARDEN-DPB Rearden Thread Pitch*: 1/2x28 5/8x24 Qty: Description Learn More These fit the plan B type mounts. This is an updated version that has larger wrench flats on the rear. Always use an alignment rod to ensure that the entire system is set up correctly. Make sure all surfaces are cleaned and the muzzle device has been torqued and Rockset to the barrel. Use on a Q can voids your warranty, be warned.Torque the muzzle device to approximately 30 ft lbs. Make sure the muzzle device is square against the shoulder. When setting the silencer on the muzzle device, ensure that the threads and tapers are clean. Torque the suppressor to 10 ft lbs. Ensure alignment. Enjoy. The nitride finish does lead to a tighter seal, with that said, it is extremely important to torque and rockset your muzzle device to the barrel properly.SPECS:17-4 PH H900Atlas and Atlas XL CompatiblePlan B CompatibleAtlas Adapter Overrun Approximately 1.600″Atlas XL Adapter Overrun Approximately 0.750″1/2-28 Threads - .375 Bore5/8-24 Threads - .375 BoreBlack Nitride Finish (67 HRC Surface Hardness)Shims Included1/2x28 (SKU 10017) ** Square Shoulder **5/8x24 (SKU 10018) ** Square Shoulder ** ⚠ WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and reproductive harm. For more information go to: www.P65Warnings.ca.gov. 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