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    KT-DSG-PBK-0089 SBA3 Pistol Build Kit w/ DSG 9" 300BLK Duty Series Upper w/ G4 M-LOK Rail

    Manufacturer: DSG Arms
    SKU: KT-DSG-PBK-0089
    Manufacturer part number: KT-DSG-PBK-0089
    Availability: Out of stock
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    SBA3 Pistol Build Kit with DSG 9" 300BLK Duty Series Upper - Overview

    The SBA3 Pistol Build Kit is a great option when looking to build an AR15 pistol to add to a collection. This kit has all the components that you will need for a stripped lower receiver to complete an AR15 pistol. The SBA3 brace and 9" 300BLK Duty Series Upper are a good combination for a pistol build. The 9" 300BLK Duty Series Upper has all gunsmith required components pre-assembled. Along with the QD socket on the brace, included is a QD endplate. Instead of using a standard buffer, the kit has a heavy carbine buffer for better cycling. A set of black MAGPUL Gen2 MBUS flip-up sights are also included. The SBA3 Pistol Build Kit comes with the pistol brace and pistol grip in black or dark earth.

    SB Tactical SBA3 Brace for AR15 Pistols

    The SBA3 AR15 pistol brace by SB Tactical, adjustable five-position brace that will work on platforms that accept a mil-spec buffer tube. With the SBA3 brace being adjustable, it enables the user to set the brace to a length that is comfortable and gives them the best control. With its minimalist design, integral ambidextrous QD sling socket, and ATF compliant. Makes the SBA3 brace a great choice in accessories when building an AR pistol.


    • Minimalist design
    • 5-position adjustable
    • Includes mil-spec carbine receiver extension
    • Integral, ambidextrous QD sling socket
    • ATF compliant, US veteran designed and proudly made in the USA
    • Product includes: brace, mil-spec carbine receiver extension, adjustable nylon strap

    DSG AR15 9" 300BLK Duty Series Upper

    Duty grade upper receiver with M4 feed ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized.

    Barrel Features:

    • 4150 Chrome Moly Vanadium steel
    • QPQ coated barrel and barrel extension
    • 300 Blackout Chamber
    • Nickel Boron coated barrel extension
    • M4 feed ramps
    • Heavy profile
    • 17 twist rate
    • 5/8x24 muzzle threads
    • Pistol-length Gas System
    • HP & MPI tested
    • .750” gas block seat
    • Weight 29 oz
    • Flat Muzzle Crown
    • Button Rifled

    DSG G4 Rail

    This complete upper includes our G4 M-Lok handguard and includes one Picatinny rail section for accessory installation. The G4 handguard has built-in anti-rotation features, five QD swivel locations machined into the handguard, and is hard coat anodized. Marked: Defense Solutions Group Inc CAGE: 1L0J5 and has the DSG badge on the opposite side.

    Kit Includes:

    • DSG Complete 9" 300BLK Duty Series Upper w/ 8" DSG G4 Rail - No BCG
    • SB Tactical SBA3 5 Position AR Brace
    • MAGPUL MOE Grip
    • MAGPUL Gen2 MBUS Front & Rear Back-Up Sights
    • DSG AR Lower Receiver Parts Kit
    • DSG AR Milspec Trigger Kit
    • AR15 Heavy Carbine Buffer - H Buffer
    • DSG AR QD End Plate
    • DSG AR Carbine Stock Lock Ring/Castle Nut
    • DSG AR15 Carbine Buffer Spring
    • DSG Arms AR15 Charging Handle w/ Standard Latch - US Made


    More on DSG Complete Upper Assembly Process and Verification process are available in the Blog section of our website.

    *We Recommend DSG Standard and Enhanced Bolt Carrier Groups for guaranteed trouble-free and reliable performance. Charging handles come in many variations and all quality makes and models should work fine with our complete uppers.

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