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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Out of stockOn Sale
Aimpoint - CompM5 Red Dot Reflex Sight 2 MOA No Mount - #200320
Aimpoint
Now: $950.00Was: $1,055.00The Aimpoint CompM5 Red Dot Sight, a compact and rugged member of the Comp series, offers professional-grade optical clarity and durability in a lightweight design. Trusted by elite users worldwide, this sight provides a clear 2 MOA dot and up to 50,000...Now: $950.00Was: $1,055.00 -
Out of stockOn Sale
Aimpoint - CompM4s Red Dot Reflex Sight 2 MOA No Mount - #12308
Aimpoint
Now: $955.00Was: $1,055.00The Aimpoint CompM4s Red Dot Sight is a professional-grade optic designed to excel under the harshest conditions. Trusted by elite users worldwide, this sight is your top choice for speed and accuracy in any environment. The CompM4s is mount-agnostic,...Now: $955.00Was: $1,055.00 -
Out of stockOn Sale
Aimpoint - Acro® Adapter Ring 30 mm - #200681
Aimpoint
Now: $83.00Was: $92.00The Aimpoint Acro® Adapter Ring, 30 mm, is an essential accessory for mounting ACRO® series sights as secondary sights on 30 mm magnifying scopes. This adapter ring provides a reliable and secure interface, ensuring compatibility and seamless...Now: $83.00Was: $92.00 -
Out of stockOn Sale
Aimpoint - Hunter H34L Red Dot Reflex Sight 2 MOA - #12693
Aimpoint
Now: $999.00Was: $1,126.00The Aimpoint Hunter H34L Red Dot Sight is a high-performance optic designed for discerning hunters. With a 34mm tube, multi-coated 47mm objective lens, and a precise 2 MOA red dot, this sight delivers exceptional optical clarity. It's engineered for...Now: $999.00Was: $1,126.00 -
Out of stockOn Sale
Aimpoint - H&K VP9 ACRO Mount Plate - #200521
Aimpoint
Now: $62.00Was: $69.00The Aimpoint H&K VP9 ACRO Mount Plate - 200521 is a dedicated mounting solution for attaching ACRO sights to the optic-ready Heckler & Koch VP9 pistol. This mount plate ensures a secure and precise fit, allowing you to take full advantage of the...Now: $62.00Was: $69.00 -
Out of stockOn Sale
Aimpoint - Lenscover Front Flip-Up ST H34 Kit - #200355
Aimpoint
Now: $14.00Was: $16.00This flip-up lens cover provides protection for Aimpoint H34 optic and flips out of the way when shooting.Now: $14.00Was: $16.00 -
Out of stockOn Sale
Aimpoint - Acro® P-2 Solid Front Flip-Up Lens Cover with ARD - #200751
Aimpoint
Now: $111.00Was: $123.00The Aimpoint Acro P-2 Solid Flip-Up Front Lens Cover with Integrated KillFlash ARD Filter - 200337 is an essential accessory for your Aimpoint Acro P-2 red dot sight when mounted on rifles, shotguns, or carbines. This solid flip-up lens cover features an...Now: $111.00Was: $123.00 -
Out of stockOn Sale
Aimpoint - Acro® P-2 Solid Rear Flip-Up Lens Cover - #200748
Aimpoint
Now: $24.00Was: $27.00The Aimpoint Acro P-2 Solid Flip-Up Rear Lens Cover - 200336 is designed to provide robust protection for your Aimpoint Acro P-2 sight. It's ideal for rifles, shotguns, or carbines and ensures the lens stays clear of dust, dirt, water, and debris, even...Now: $24.00Was: $27.00 -
Out of stockOn Sale
Aimpoint - Micro lever release conversion kit for standard Micro mount - #12184
Aimpoint
Now: $45.00Was: $50.00The Aimpoint Micro Series Lever Release Picatinny Conversion Kit - 12357 is a comprehensive kit designed to convert your Aimpoint Micro Series Mount into a Lever Release Picatinny mount. This conversion kit ensures quick attachment and detachment of your...Now: $45.00Was: $50.00 -
Out of stockOn Sale
Aimpoint - CompM5 Battery Cap - #200425
Aimpoint
Now: $51.00Was: $57.00The Aimpoint CompM5 Battery Cap - 200425 is the perfect replacement for the battery cap on your Aimpoint CompM5 series red dot sight. This cap is a critical component that ensures your sight's functionality and allows you to power your optic reliably...Now: $51.00Was: $57.00 -
Out of stockOn Sale
Aimpoint -Cap Adjustment CompM5 Kit - #200424
Aimpoint
Now: $18.00Was: $20.00The Aimpoint CompM5 Series Cap Adjustment Screw with O-Ring is a critical component designed for Aimpoint CompM5 series red dot sights. This cap adjustment screw, equipped with an O-ring, ensures the optimal functioning and durability of your sight...Now: $18.00Was: $20.00 -
Out of stockOn Sale
Aimpoint - Micro H-2 Red Dot Reflex Sight 2 MOA Standard Mount - #200185
Aimpoint
Now: $855.00Was: $950.00The Aimpoint Micro H-2 is the top choice for hunters and sport shooters worldwide, known for its speed and accuracy. This compact reflex optic boasts a precise 2 MOA dot, ensuring swift and accurate target acquisition. With 12 intensity settings, it...Now: $855.00Was: $950.00