Parts & Accessories

Parts & Accessories

Shop AR-15 and AR-10 parts and accessories from Boss Firearms. Our parts inventory includes LMT upper and lower receivers, Proof Research carbon fiber barrels, Forward Controls Design components, Geissele triggers, Magpul furniture, BCM parts, SureFire lights, and much more. Whether you're building a new rifle or upgrading your current setup, we carry the hard-to-find components trusted by military, law enforcement, and serious civilian shooters.

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    Aimpoint - 34mm scope adaptor with Picatinny Rail for Micro sights (ECOS-O) - 200153 - 7350004384440 - Boss Firearms - BossFirearms.com
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    Aimpoint - 34mm scope adaptor with Picatinny Rail for Micro sights (ECOS-O) - #200153

    Aimpoint

    Now: $104.00
    Was: $115.00
    Enhance your optics setup with the Aimpoint 34mm Micro Series™ Picatinny Adapter Ring. This versatile ring allows you to mount secondary sights or flashlights on magnifying scopes with a 34 mm tube...
    Now: $104.00
    Was: $115.00
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    Now: $104.00
    Was: $115.00
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    Aimpoint - Screw in killFlash® ARD for 30mm sights - 12239 - 7350004382798 - Boss Firearms - BossFirearms.com
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    Aimpoint - Screw in killFlash® ARD for 30mm sights - #12239

    Aimpoint

    MSRP: $60.00
    Now: $56.00
    Was: $62.00
    The Aimpoint KillFlash ARD (Anti Reflection Device) is an essential accessory designed to eliminate potentially compromising reflections from the objective lens. Compatible with Aimpoint Comp series™...
    MSRP: $60.00
    Now: $56.00
    Was: $62.00
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    MSRP: $60.00
    Now: $56.00
    Was: $62.00
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    Aimpoint - 30mm scope adaptor with Picatinny Rail for Micro sights (SQFS) - 200152 - 7350004384433 - Boss Firearms - BossFirearms.com
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    Aimpoint - 30mm scope adaptor with Picatinny Rail for Micro sights (SQFS) - #200152

    Aimpoint

    MSRP: $112.00
    Now: $104.00
    Was: $115.00
    The Aimpoint 30mm Scope Adaptor is designed to enhance your setup by allowing the mounting of secondary sights or flashlights on magnifying scopes with 30mm tubes. It's compatible with all Aimpoint...
    MSRP: $112.00
    Now: $104.00
    Was: $115.00
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    MSRP: $112.00
    Now: $104.00
    Was: $115.00
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    On Sale
    Aimpoint - Eye piece Hunter H34 - 12703 SPARE - 7350004383436 - Boss Firearms - BossFirearms.com
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    Aimpoint - Eye piece Hunter H34 - #12703 SPARE

    Aimpoint

    MSRP: $9.00
    Now: $8.00
    Was: $9.00
    Eye piece for Hunter H34S and H34L.
    MSRP: $9.00
    Now: $8.00
    Was: $9.00
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    MSRP: $9.00
    Now: $8.00
    Was: $9.00
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    Aimpoint - Micro H-2 Red Dot Reflex Sight 2 MOA LRP Mount and Spacer - 200211 - 7350004384815 - Boss Firearms - BossFirearms.com Aimpoint - Micro H-2 Red Dot Reflex Sight 2 MOA LRP Mount and Spacer - 200211 - 7350004384815 - Boss Firearms - BossFirearms.com
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    Aimpoint - Micro H-2 Red Dot Reflex Sight 2 MOA LRP Mount and Spacer - #200211

    Aimpoint

    MSRP: $1,024.00
    Now: $950.00
    Was: $1,055.00
    The Aimpoint Micro H-2 Red Dot Optic is the choice of millions of hunters and sport shooters worldwide, offering speed and accuracy in a compact reflex optic. Designed to fit virtually any platform,...
    MSRP: $1,024.00
    Now: $950.00
    Was: $1,055.00
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    MSRP: $1,024.00
    Now: $950.00
    Was: $1,055.00
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    On Sale
    Aimpoint - Micro Spacer High (39mm) AR15/M4 Carbine - 12358 - 7350004382125 - Boss Firearms - Boss Firearms.com
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    Aimpoint - Micro Spacer High (39mm) AR15/M4 Carbine - #12358

    Aimpoint

    MSRP: $95.00
    Now: $88.00
    Was: $98.00
    Enhance your sight picture with the Aimpoint Micro Spacer High. This spacer is purpose-built for Aimpoint Micro series and CompM5 sights, raising the optical axis to a 39 mm height for seamless...
    MSRP: $95.00
    Now: $88.00
    Was: $98.00
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    MSRP: $95.00
    Now: $88.00
    Was: $98.00
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    Aimpoint - Adjustment Cap w/ Slot (T-2/H2) - 200204 - 7350004384655 - Boss Firearms - BossFirearms.com
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    Aimpoint - Adjustment Cap w/ Slot (T-2/H2) - #200204

    Aimpoint

    MSRP: $15.00
    Now: $14.00
    Was: $15.00
    Cap adjustment screw with O-ring.For the 2nd generation of Aimpoint® Micro sight modelsCap adjustment screw with O-ring. For the 2nd generation of Aimpoint® Micro sight models.
    MSRP: $15.00
    Now: $14.00
    Was: $15.00
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    MSRP: $15.00
    Now: $14.00
    Was: $15.00
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    On Sale
    Aimpoint Outer rubber cover - Black (CompM3/ML3 only) - 12225 - 7350004382873 - Boss Firearms - BossFirearms.com
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    Aimpoint - Outer rubber cover (CompM3/ML3 only) - #12225

    Aimpoint

    MSRP: $41.00
    Now: $38.00
    Was: $42.00
    This black outer rubber cover will protect your Aimpoint Comp M2 and M3 scopes.
    MSRP: $41.00
    Now: $38.00
    Was: $42.00
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    Qty in Cart: 0
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    MSRP: $41.00
    Now: $38.00
    Was: $42.00
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  • Out of stock
    On Sale
    Aimpoint - 3X-C Maginifier 39mm FlipMount and TwistMount base - 200342 - 7350004385232 - Boss Firearms - BossFirearms.com Aimpoint - 3X-C Maginifier 39mm FlipMount and TwistMount base - 200342 - 7350004385232 - Boss Firearms - BossFirearms.com
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    Aimpoint - 3X-C Maginifier 39mm FlipMount and TwistMount base - #200342

    Aimpoint

    MSRP: $882.00
    Now: $817.00
    Was: $908.00
    The Aimpoint 3X-C Magnifier is a top-tier optic designed to expand your capabilities for observation and target acquisition at extended distances. Whether you pair it with an Aimpoint red dot sight...
    MSRP: $882.00
    Now: $817.00
    Was: $908.00
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    MSRP: $882.00
    Now: $817.00
    Was: $908.00
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    On Sale
    Aimpoint - Hunter H30S Red Dot Reflex Sight 2 MOA - 12690 - 7350004383085 - Boss Firearms - Boss Firearms.com Aimpoint - Hunter H30S Red Dot Reflex Sight 2 MOA - 12690 - 7350004383085 - Boss Firearms - Boss Firearms.com
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    Aimpoint - Hunter H30S Red Dot Reflex Sight 2 MOA - #12690

    Aimpoint

    MSRP: $1,093.00
    Now: $999.00
    Was: $1,126.00
    The Aimpoint Hunter H30S is a cutting-edge red dot reflex sight meticulously crafted to elevate speed and precision in the field. This remarkable sight is primarily tailored for bolt-action rifles...
    MSRP: $1,093.00
    Now: $999.00
    Was: $1,126.00
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    MSRP: $1,093.00
    Now: $999.00
    Was: $1,126.00
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  • Out of stock
    On Sale
    B&T - Telescopic Retractable Stock for MP5K/SP5K/SP89 - BT-200598 - 840225702125 - Boss Firearms - BossFirearms.com B&T - Telescopic Retractable Stock for MP5K/SP5K/SP89 - BT-200598 - 840225702125 - Boss Firearms - BossFirearms.com
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    B&T - Telescopic Retractable Stock for MP5K/SP5K/SP89 - #BT-200598

    Brugger & Thomet

    Now: $600.00
    Was: $957.38
    B&T's telescopic retractable 5-position stock assembly for Heckler & Koch models, MP5K, SP5K and SP89 and clones. The B&T stock provides a comfortable and solid shoulder support while remaining very...
    Now: $600.00
    Was: $957.38
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    Now: $600.00
    Was: $957.38
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    On Sale
    Magpul - MOE Trigger Guard FDE - MAG417-FDE - 873750004181 - Boss Firearms - BossFirearms.com
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    Magpul - MOE Trigger Guard FDE - #MAG417-FDE

    Magpul Industries

    Now: $8.50
    Was: $8.95
    The MOE Trigger Guard (Magpul Original Equipment) is an enhanced polymer drop in replacement for the AR15/M4 weapons platform. It features a shallow V shape for better use of gloves in tactical...
    Now: $8.50
    Was: $8.95
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    Now: $8.50
    Was: $8.95
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