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 - ACRO® QD Mount 30mm - #200518
Aimpoint
Now: $133.00Was: $148.00The Aimpoint ACRO® QD Mount 30mm is your solution for quick and secure mounting of Aimpoint ACRO sights. This mount provides a 30mm rise in the optical axis's height, which can be beneficial for achieving the perfect sight picture. It's compatible...Now: $133.00Was: $148.00 -
Out of stockOn Sale
Aimpoint AR15 Forward Extension Spacer (fits QRP2/TNP/LRP) - #12193
Aimpoint
Now: $78.00Was: $87.00Enhance your optical setup with the Aimpoint Spacer designed for use with CompM4, CompM3, and PRO sights, especially when paired with Base and Top Ring, Item No. 12194. This spacer offers flexibility in your sight's positioning, raising the optical...Now: $78.00Was: $87.00 -
Out of stockOn Sale
Aimpoint - 30mm Rings - #200728
Aimpoint
Now: $38.00Was: $42.00The Aimpoint 30mm Picatinny Rings are tailor-made to accommodate the H30S, H30L, 9000L, and 9000SC sights, ensuring a secure and stable mount. This accessory is an essential addition for any enthusiast or professional looking to enhance their shooting...Now: $38.00Was: $42.00 -
Out of stockOn Sale
Aimpoint - Hunter H30L Red Dot Reflex Sight 2 MOA - #12691
Aimpoint
Now: $999.00Was: $1,126.00The Aimpoint Hunter H30L is a state-of-the-art red dot sight meticulously crafted to enhance speed and accuracy in the field. It's the perfect optic for bolt-action rifles, effortlessly adaptable with any 30mm scope rings. Designed primarily for standard...Now: $999.00Was: $1,126.00 -
Out of stockOn Sale
Aimpoint - Micro Adjustment Cap Windage/Elevation - #12208
Aimpoint
Now: $14.00Was: $15.00This Aimpoint Micro Adjustment Cap is a crucial spare part designed for the first generation of Aimpoint Micro sight models. The cap features an integrated O-ring, enhancing its durability and ensuring a tight, secure fit for optimal windage and...Now: $14.00Was: $15.00 -
Out of stockOn Sale
Aimpoint CompM5s Red Dot Reflex Sight 2 MOA No Mount - #200660
Aimpoint
Now: $950.00Was: $1,055.00The Aimpoint CompM5s is a testament to ruggedness, clarity, and cutting-edge technology in the realm of red dot optics. Crafted for professional end-users, it offers top-tier performance in a compact, lightweight design. The CompM5s was engineered to...Now: $950.00Was: $1,055.00 -
Out of stockOn Sale
Aimpoint - Micro tool - #12207
Aimpoint
Now: $14.00Was: $15.00Enhance the functionality and longevity of your Aimpoint sight with the versatile Aimpoint Micro Tool. This essential accessory is compatible with various Aimpoint sight models, including those from the Hunter series, Micro series, ACRO, and CompM5...Now: $14.00Was: $15.00 -
Out of stockOn Sale
Aimpoint - Micro Spacer Low (30mm) #HK416 - 12357
Aimpoint
Now: $88.00Was: $98.00The Aimpoint Micro Spacer Low (30mm) HK416 is a specially designed accessory for Micro series and CompM5 Series sights. It effectively raises the optical axis's height to 30mm, accommodating various mounting needs. This spacer comes complete with four...Now: $88.00Was: $98.00 -
Out of stock
Aimpoint - Micro LRP (Lever Release Picatinny) QD mount base only - #12905
Aimpoint
$414.00The Aimpoint Micro LRP (Lever Release Picatinny) QD Mount Base is engineered for micro series and CompM5 series sights. It ensures your optic returns to zero after dismounting, providing convenience and accuracy. This mount comes complete with screws, a...$414.00 -
Out of stockOn Sale
Aimpoint - Lenscover bikini (CompM4/M4s) - #12205
Aimpoint
Now: $14.00Was: $15.00The Aimpoint Lenscover bikini (CompM4/M4s) - 12205 is a simple yet effective solution for protecting your Aimpoint CompM4 and CompM4s series sights. This bikini-style lens cover is designed to shield your optic's lenses from dust, dirt, and debris,...Now: $14.00Was: $15.00 -
Out of stockOn Sale
Aimpoint Lenscover Front Flip-Up ST H30 Kit - #200353
Aimpoint
Now: $14.00Was: $16.00The Aimpoint Lenscover Front Flip-Up ST H30 Kit, with its convenient flip-up design, is the perfect solution for protecting the front lens of your Aimpoint Hunter H30S/H30L red dot sight. Designed to fit perfectly and shield your sight's lens, this kit...Now: $14.00Was: $16.00 -
Out of stockOn Sale
Aimpoint - Standard Mount Micro T-1, Kit - #12436
Aimpoint
Now: $98.00Was: $109.00The Aimpoint Micro Standard Mount for T-1 & T-2 Kit is a comprehensive solution for securely and conveniently mounting your T-1 and T-2 Aimpoint sights. This kit includes all the necessary components for proper installation, ensuring a robust and...Now: $98.00Was: $109.00