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Buffer System

Buffer System

Gas & Brass Armory stocks high-quality AR-15 buffer systems to ensure proper function and recoil management in your rifle build. Located in Brandon, FL, we offer complete buffer kits, individual buffer tubes, springs, and weights from trusted brands like Aero Precision, BCM, Geissele, and more. Whether you're building a carbine, mid-length, or pistol setup, our selection includes mil-spec and commercial options for a reliable and smooth shooting experience.

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  • ARMASPEC A5 SPACER FOR SRS/SMB

    ARMASPEC A5 SPACER FOR SRS/SMB

    Armaspec

    MSRP: $10.38
    $7.00
    The Armaspec A5 Spacer is a precision-engineered component designed to complement the Stealth Recoil Spring and Sound Mitigation Buffer systems in A5 style AR-15 stocks. Manufactured by Armaspec, this spacer ensures proper fit and alignment within the...
    MSRP: $10.38
    $7.00
    Qty in Cart: 0
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    MSRP: $10.38
    $7.00
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  • ARMASPEC SOUND MIT BUFFER AR10 GEN3

    ARMASPEC SOUND MIT BUFFER AR10 GEN 3

    Armaspec

    MSRP: $75.59
    $54.00
    The Armaspec Sound Mit Buffer AR10 Gen 3 is a precision-engineered replacement buffer designed to enhance the performance of AR10-style rifles. This single-stage captured buffer serves as a direct drop-in upgrade for standard buffers, providing a...
    MSRP: $75.59
    $54.00
    Qty in Cart: 0
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    MSRP: $75.59
    $54.00
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  • ARMASPEC SOUND MIT BUFFER AR9 GEN3

    ARMASPEC SOUND MIT BUFFER AR9 GEN 3

    Armaspec

    MSRP: $75.59
    $54.00
    The Armaspec Sound Mit Buffer AR9 Gen 3 is engineered to enhance the performance of your AR9 platform by replacing the standard buffer and spring assembly with a single-stage, captured drop-in unit. This innovative design minimizes contact between the...
    MSRP: $75.59
    $54.00
    Qty in Cart: 0
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    MSRP: $75.59
    $54.00
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  • ARMASPEC SOUND MIT BUFFER H2 GEN3

    ARMASPEC SOUND MIT BUFFER H2 GEN 3

    Armaspec

    MSRP: $75.59
    $54.00
    The Armaspec Sound Mit Buffer H2 Gen 3 is a precision-engineered buffer designed to enhance the operation of your firearm's buffer system. As a single-stage, captured drop-in replacement, this buffer improves the cycling experience by minimizing friction...
    MSRP: $75.59
    $54.00
    Qty in Cart: 0
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    MSRP: $75.59
    $54.00
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  • ARMASPEC SOUND MIT BUFFER H GEN3

    ARMASPEC SOUND MIT BUFFER H GEN 3

    Armaspec

    MSRP: $75.59
    $54.00
    The Armaspec Sound Mit Buffer H Gen 3 is a precision-engineered buffer designed to enhance the performance and operation of compatible firearms. As a single-stage captured drop-in replacement, this buffer minimizes friction by preventing the buffer...
    MSRP: $75.59
    $54.00
    Qty in Cart: 0
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    MSRP: $75.59
    $54.00
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  • ARMASPEC A2 SPACER FOR SRS/SMB

    ARMASPEC A2 SPACER FOR SRS/SMB

    Armaspec

    MSRP: $10.38
    $7.00
    The Armaspec A2 Spacer for SRS/SMB is a precision-engineered accessory designed to enhance the fit and function of A1 and A2 style fixed stocks. Manufactured by Armaspec, this spacer serves as a crucial component for those using the Stealth Recoil Spring...
    MSRP: $10.38
    $7.00
    Qty in Cart: 0
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    MSRP: $10.38
    $7.00
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  • ANGSTADT 9MM BUFFER KIT BLK

    ANGSTADT 9MM BUFFER KIT BLK

    Angstadt Arms

    MSRP: $72.80
    $52.00
    The Angstadt 9mm Buffer Kit BLK, designed by Angstadt Arms, is engineered specifically for 9mm AR-15 platforms compatible with GLOCK and Colt style magazines. This buffer kit includes a robust 9mm buffer, a dedicated buffer spacer, and a carbine buffer...
    MSRP: $72.80
    $52.00
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    $52.00
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  • BAD HEAVY BUFFER SILVER

    BAD HEAVY BUFFER SILVER

    Battle Arms Development

    MSRP: $32.28
    $28.00
    The Battle Arms Development BAD Heavy Buffer Silver is engineered to enhance the performance and reliability of AR-15 and M16 platforms. Designed to fit standard mil-spec collapsible buffer tubes, this heavy buffer provides consistent weight and...
    MSRP: $32.28
    $28.00
    Qty in Cart: 0
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    MSRP: $32.28
    $28.00
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  • Out of stock
    ADV TECH AR15 BUFFER SPRING

    ADV TECH AR15 BUFFER SPRING

    ATI Outdoors

    MSRP: $10.74
    $6.00
    The ATI Outdoors ADV TECH AR15 Buffer Spring is engineered to deliver reliable performance and durability for AR15 platforms. Designed to be compatible with commercial, military, and hybrid buffer tubes, this buffer spring provides a consistent and...
    MSRP: $10.74
    $6.00
    Qty in Cart: 0
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    MSRP: $10.74
    $6.00
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  • Out of stock
    ARMASPEC BRAIDED BUFFER SPRING AR15

    ARMASPEC BRAIDED BUFFER SPRING AR15

    Armaspec

    MSRP: $31.49
    $23.00
    The Armaspec Braided Buffer Spring for AR-15 rifles is engineered to enhance the performance and durability of your firearmÂ’s buffer system. Featuring a unique braided design with 51 active coils, this buffer spring offers tighter compression tolerances...
    MSRP: $31.49
    $23.00
    Qty in Cart: 0
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    MSRP: $31.49
    $23.00
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  • Out of stock
    YHM 9MM BOLT BUFFER

    YHM 9MM BOLT BUFFER

    Yankee Hill Machine Co

    MSRP: $72.80
    $55.00
    The Yankee Hill Machine Co 9MM Bolt Buffer is engineered specifically for use with carbine stocks chambered in 9mm. Constructed from durable stainless steel, this buffer features an increased weight and length compared to standard models, providing...
    MSRP: $72.80
    $55.00
    Qty in Cart: 0
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    MSRP: $72.80
    $55.00
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  • Out of stock
    SPIKE S ST-9X 9MM HEAVY BUFFER

    SPIKE S ST-9X 9MM HEAVY BUFFER

    Spike's Tactical

    MSRP: $62.94
    $45.00
    The Spike's Tactical ST-9X 9mm Heavy Buffer is engineered to enhance the performance and reliability of your firearm. Crafted from durable stainless steel, this buffer is designed specifically for use with 9mm carbines. Its extended length addresses...
    MSRP: $62.94
    $45.00
    Qty in Cart: 0
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    MSRP: $62.94
    $45.00
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