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  • DEPARTMENTS
    • Bipods
    • Featureless States
    • FIREARMS / RECEIVERS
      • AR RECEIVERS
        • AR15 LOWER RECEIVERS
        • AR10 / 308 LOWER RECEIVERS
      • AR TYPE PISTOLS
      • HANDGUNS
    • LEFT HANDED STORE
    • Lights - Weapon Lights
    • Magazines
    • Sights - Optics - Mounts
      • IRON SIGHTS
      • Magnifiers
      • Mounts
      • Red Dot Sights
    • Slings & Sling Accessories
    • TOOLS & CLEANING SUPPLIES
      • Tools
      • Cleaning Supplies
  • AR15 Parts
    • 80% Lower Receivers
      • 80% LOWER RECEIVERS
      • 80% GLOCK PISTOL FRAMES
        • GLOCK SLIDES - BARRELS - SIGHTS - TOOLS
      • JIGS & TOOLS
      • CERAKOTE RECEIVER SETS
      • Serial Number / Compliance
    • Barrels
      • 223/5.56 BARRELS
        • PISTOL / SBR BARRELS - .223/5.56
        • 16" & LONGER BARRELS
      • 300 BLACKOUT BARRELS
        • PISTOL / SBR BARRELS - .300 BLK
        • 16" OR LONGER BARRELS - .300 BLK
      • AR10 / 308 WIN
      • .22LR BARRELS
        • PISTOL / SBR BARRELS - .22 LR
      • .224 VALKYRIE
      • 7.62x39 BARRELS
        • PISTOL / SBR BARRELS - 7.62x39
      • 6.5 CREEDMOOR
      • 6.5 GRENDEL
      • 9MM BARRELS
        • PISTOL / SBR BARRELS - 9MM
      • PARTS AND ACCESSORIES (Barrel Nuts, etc.)
    • Buffer Tube Parts & Kits
      • BUFFER TUBE KITS
      • BUFFER SPRINGS
        • CLICK FOR COLOR CODED BUFFER SPRINGS
      • BUFFERS
      • PISTOL BRACES & PARTS
      • STOCK + BUFFER TUBE KIT COMBO
        • BUFFER TUBE PARTS & KITS
        • STOCKS
    • BUILD KITS
      • RIFLE / PISTOL BUILD KITS
      • LOWER BUILD KITS
    • Bolt Carrier Groups (BCGs)
      • 223 / 5.56 / 300 BLK
      • AR10 / AR308
      • .22LR
      • .458 SOCOM
      • 6.5 GRENDEL
      • 6.8 SPC / .224 VALKYRIE
      • 7.62X39
      • 9MM
      • LIGHTWEIGHT
      • SMALL PARTS
    • Charging Handles
    • Gas System Parts
      • Gas Blocks
        • ADJUSTABLE GAS BLOCKS
      • Gas Tubes
    • Grips
      • PISTOL GRIPS
      • FORE GRIPS
    • Handguards & Rails
      • Drop In Handguards
      • KeyMod Handguards
        • KEYMOD 7" OR LESS
        • KEYMOD 8" - 9"
        • KEYMOD 10" - 12"
        • KEYMOD 13" OR LONGER
      • M-LOK Handguards
        • M-LOK 7" OR LESS
        • M-LOK 8" - 9"
        • M-LOK 10" - 12"
        • M-LOK 13" OR LONGER
      • Quad Rails
      • Handguard Accessories
        • KeyMod Accessories
        • M-LOK Accessories
    • Lower Receiver Parts (LPK)
      • LOWER PARTS KITS (LPK)
      • LOWER BUILD KITS
      • BUFFER TUBE KITS & PARTS
      • TRIGGERS
      • SMALL PARTS AND ACCESSORIES
        • ANTI-ROTATION PINS
        • Safety Levers
        • Trigger Guards
        • Takedown / Pivot Pins
        • BOLT CATCHES
        • MAG CATCH / BUTTONS
    • Magazines
      • .223 / 5.56 / 300 BLK
      • AR308 / AR-10
      • .45 ACP
      • .458 SOCOM
      • 6.5 GRENDEL
      • 6.8 SPC / 224 Valkyrie
      • 7.62x39
      • 9mm
      • .22 LR
      • 10 ROUND OR LESS
    • Muzzle Devices
      • 223 / 5.56 MUZZLE DEVICES
      • .308 / 7.62X39 / 300 BLACKOUT
      • 9MM MUZZLE DEVICES
      • 3-Lug Adapters
    • AR PISTOL PARTS
    • Stocks
      • STOCKS
      • BUFFER TUBE PARTS & KITS
      • PISTOL BRACES, PISTOL BUFFER TUBES, ETC.
      • STOCK + BUFFER TUBE KIT COMBO
    • Triggers
    • Upper Receivers & Parts
      • UPPER RECEIVERS
        • Click For Engraved Upper Receivers
      • Barreled Upper Receiver Groups
      • CHARGING HANDLES
        • AR-15
        • AR-10 / AR-308
      • HARDWARE, DOORS & SMALL PARTS
        • ENGRAVED PORT DOORS
      • GAS SYSTEM PARTS
    • Nickel Boron & Nickel Teflon
    • Titanium & Lightweight
  • OTHER CALIBERS
    • .22LR
      • Complete .22LR Upper Groups
    • 300 BLACKOUT
    • AR-10 / .308
    • 45 ACP
    • 458 Socom
    • 5.7 x 28mm
    • 6.5 Grendel
    • 6.5 Creedmoor
    • 6.8 SPC / .224 Valkyrie
    • 7.62x39
    • 9mm
  • Pistol Braces / Parts
    • PISTOL BRACES/ PISTOL BUFFER TUBES
    • .223/5.56 - PISTOL / SBR BARRELS
    • .300 BLACKOUT - PISTOL / SBR BARRELS
    • .22 LR - PISTOL / SBR BARRELS
    • 9MM - PISTOL / SBR BARRELS
    • 7.62x39 - PISTOL / SBR BARRELS
  • ENGRAVING SHOP
    • Engraved Lower Receivers
    • Engraved Upper Receivers
    • Engraved Port Doors / Completion Kits
      • Click Here For Engraved Completion Kits
        • Click Here for ENGRAVED PORT DOORS
    • Serial Number / Compliance
  • DELAYED BLOWBACK
  • Glock Store
    • 80% GLOCK FRAMES
    • Lower Parts, Triggers, Pins, etc.
      • Triggers & Parts
    • SLIDES
    • SLIDE PARTS - GUIDE RODS - STRIKERS, ETC.
      • SIGHTS
    • Sights
    • BARRELS
    • Magazines
    • Tools
  • Brands
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    • Ballistic Advantage
    • Bear Creek Arsenal
    • Battle Arms Development
    • Birchwood Casey
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    • CMMG
    • CMC Triggers
    • Daniel Defense
    • FAB Defense
    • Fail Zero
    • FAXON FIREARMS
    • Geissele Triggers & Rails
    • GHOST INC.
    • GREY GHOST PRECISION
    • Hera USA
    • Hogue
    • Holosun
    • Hoppe's
    • KAK Industries
    • Kaw Valley Precision
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    • Leapers UTG
    • Magpul
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    • Right To Bear Products (RTB)
      • RTB Barrels
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FAST SHIPPING
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Popular Products




Sprinco Rifle Length Buffer Spring Sprinco Standard Power A1 / A2 Fixed RIFLE Buffer Spring - GREEN
MSRP $20.00
SALE PRICE: $17.95
Savings: $2.05
80% Anodized Lower Serial Number / Manufacturer Compliant Engraving Anodized 80% Lower - Serial Number / Model / Mfg Engraving ^
Our Price: $139.95

(22)
FAXON FIREARMS 18" Big Gunner, .308 AR10, Mid-Length DPMS Barrel FAXON FIREARMS 18", Big Gunner, .308 WIN, Rifle-Length, 4150, Nitride
MSRP $249.00
SALE PRICE: $230.00
FREE SHIPPING
Savings: $19.00
Lancer L5AWM 300 BLK 20-rd Magazine - Opaque Black Lancer L5AWM 300 BLK 20-rd Magazine - Opaque Black
MSRP $17.69
SALE PRICE: $14.99
Savings: $2.70
Mail in 80% Lower Engraving Service Mail in Your Lower For Serial Number / Manufacturer / Safety / SBR / NFA Engraving ^
Our Price: $59.95

(8)
Faxon Firearms 16" GUNNER 5.56 NATO 4150 QPQ Barrel FAXON FIREARMS 16" GUNNER, 5.56 NATO, Mid-Length, 4150 QPQ
MSRP $175.00
SALE PRICE: $169.95
FREE SHIPPING
Savings: $5.05

(21)
Enhanced POWER Carbine Buffer Spring BLUE Sprinco ENHANCED POWER Carbine Buffer Spring - BLUE
MSRP $20.00
SALE PRICE: $17.95
Savings: $2.05

(2)
Aero Precision 5.56 Bolt Carrier Group, Complete - Phosphate w/Aero Logo Aero Precision 5.56 Bolt Carrier Group, Complete - Phosphate w/Aero Logo
Our Price: $129.99


AR15 build kits, parts & accessories

Right to Bear Arms and Supply has the best selection of AR-15 rifle build kits and gun parts for sale with the most competitive prices available anywhere online. We are a veteran-owned online gun parts dealer dedicated to providing the highest quality AR parts and accessories for those looking to build or upgrade their ARs with the most reliable, safest parts possible. We sell individual AR parts and accessories as well as full AR15 assembly kits from the highest quality brand names.

Building your own M4 rifle allows you to create truly unique ARs with endless options for customization from top to bottom. Shopping our selection of AR15 parts gives you the ability to build your rifle with the best parts, including our 80 percent lower receivers, upper receivers, trigger assemblies and bolt carrier groups, with several parts offering nickel boron or nickel Teflon coating. Our entire inventory of AR gun parts for sale has been chosen for their ability to provide the accuracy, durability and longevity you need when performing your own AR15 assembly. We have years of experience building and operating ARs and can provide all the technical information you’ll need to make the right buying decision. Buy today or contact us for more information about our M16 rifle build kits and gun parts for sale.

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RTB is now offering our own line of .22LR parts and accessories. We use only the most trusted contractors to precision manufacture our .22LR barrels, bolt and magazines. All Right to Bear rimfire products are compatible with CMMG 22 conversion kits and other rimfire components. The RTBA brand brings you the only lightweight .22LR pencil barrel on the market at an affordable price! Visit our 22/rimfire category today and take advantage of our lightning fast shipping!

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