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.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Out of stock
    On Sale
    Aimpoint - Lenscover Front Flip-up Transparent - 200192 - 7350004384693 - Boss Firearms - BossFirearms.com
    Quick view

    Aimpoint - Lenscover Front Flip-up Transparent - #200192

    Aimpoint

    Now: $22.00
    Was: $24.00
    Aimpoint Micro/CompM5 lens covers offer protection from dust, debris and water during transport and storage. The flip up design offers quick access to your optic. The transparent cover offers the best in protection while still being able to view the...
    Now: $22.00
    Was: $24.00
    Out of stock Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $22.00
    Was: $24.00
    Subtotal:
    Out of stock
  • Out of stock
    On Sale
    Aimpoint - Battery Cap - Hunter sights - 12903 - 7350004383467 - Boss Firearms - BossFirearms.com
    Quick view

    Aimpoint - Battery Cap - Hunter sights - #12903

    Aimpoint

    Now: $18.00
    Was: $20.00
    Battery cap with O-ring and damper. For all Aimpoint® Hunter series sight models.
    Now: $18.00
    Was: $20.00
    Out of stock Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $18.00
    Was: $20.00
    Subtotal:
    Out of stock
  • Out of stock
    On Sale
    Aimpoint - Adjustment Cap CompM2 - 10636 SPARE - 7350004381845 - Boss Firearms - BossFirearms.com
    Quick view

    Aimpoint Adjustment Cap CompM2 - #10636 SPARE

    Aimpoint

    Now: $10.00
    Was: $11.00
    Cap adjustment screw with O-ring. For all Aimpoint® 7000, 9000, CompC, CompC3, CET and ACET sight models produced before 2014. Models produced from 2014 have the adjustment screw hat with Item No. 12306.
    Now: $10.00
    Was: $11.00
    Out of stock Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $10.00
    Was: $11.00
    Subtotal:
    Out of stock
  • Out of stock
    On Sale
    Aimpoint - Lenscover Rear Flip-up Transparent - 200193 - 7350004384709 - Boss Firearms - BossFirearms.com
    Quick view

    Aimpoint Lenscover Rear Flip-up Transparent - #200193

    Aimpoint

    Now: $22.00
    Was: $24.00
    Transparent cover for CompM5 Series™ and 2nd generation of Micro series™ sight modelsTransparent Cover. For CompM5 Series and 2nd generation of Micro series sight models.
    Now: $22.00
    Was: $24.00
    Out of stock Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $22.00
    Was: $24.00
    Subtotal:
    Out of stock
  • Out of stock
    On Sale
    Aimpoint - 34mm scope adaptor with Picatinny Rail for Micro sights (ECOS-O) - 200153 - 7350004384440 - Boss Firearms - BossFirearms.com
    Quick view

    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. Get yours today for added flexibility and...
    Now: $104.00
    Was: $115.00
    Out of stock Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $104.00
    Was: $115.00
    Subtotal:
    Out of stock
  • Out of stock
    On Sale
    Aimpoint - Screw in killFlash® ARD for 30mm sights - 12239 - 7350004382798 - Boss Firearms - BossFirearms.com
    Quick view

    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™ and 9000 series™ sights, this filter...
    MSRP: $60.00
    Now: $56.00
    Was: $62.00
    Out of stock Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $60.00
    Now: $56.00
    Was: $62.00
    Subtotal:
    Out of stock
  • Out of stock
    On Sale
    Aimpoint - 30mm scope adaptor with Picatinny Rail for Micro sights (SQFS) - 200152 - 7350004384433 - Boss Firearms - BossFirearms.com
    Quick view

    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 Acro and Micro series sight models. This adapter ring...
    MSRP: $112.00
    Now: $104.00
    Was: $115.00
    Out of stock Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $112.00
    Now: $104.00
    Was: $115.00
    Subtotal:
    Out of stock
  • Out of stock
    On Sale
    Aimpoint - Eye piece Hunter H34 - 12703 SPARE - 7350004383436 - Boss Firearms - BossFirearms.com
    Quick view

    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
    Out of stock Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9.00
    Now: $8.00
    Was: $9.00
    Subtotal:
    Out of stock
  • Out of stock
    On Sale
    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
    Quick view

    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, this versatile optic is ideal year-round. It boasts a...
    MSRP: $1,024.00
    Now: $950.00
    Was: $1,055.00
    Out of stock Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,024.00
    Now: $950.00
    Was: $1,055.00
    Subtotal:
    Out of stock
  • Out of stock
    On Sale
    Aimpoint - Micro Spacer High (39mm) AR15/M4 Carbine - 12358 - 7350004382125 - Boss Firearms - Boss Firearms.com
    Quick view

    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 co-witnessing with AR-15 platforms. The package includes...
    MSRP: $95.00
    Now: $88.00
    Was: $98.00
    Out of stock Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $95.00
    Now: $88.00
    Was: $98.00
    Subtotal:
    Out of stock
  • Out of stock
    On Sale
    Aimpoint - Adjustment Cap w/ Slot (T-2/H2) - 200204 - 7350004384655 - Boss Firearms - BossFirearms.com
    Quick view

    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
    Out of stock Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $15.00
    Now: $14.00
    Was: $15.00
    Subtotal:
    Out of stock
  • Out of stock
    On Sale
    Aimpoint Outer rubber cover - Black (CompM3/ML3 only) - 12225 - 7350004382873 - Boss Firearms - BossFirearms.com
    Quick view

    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
    Out of stock Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $41.00
    Now: $38.00
    Was: $42.00
    Subtotal:
    Out of stock
  • Total: items /

Adding your products to cart

View Cart Continue Shopping