Boss Firearms Coupon Codes, Discounts and Deals

The LMT® Modular Ambidextrous Rifle System (MARS®) lower receiver offers ambidextrous controls to include: selector, magazine release and bolt catch and release. An enhanced flared magazine well and ambidextrous magazine and bolt catch mechanisms are machined directly into the receiver and have been designed to function as ergonomically as possible. This lower receiver is designed with several unique LMT® features to further enhance its durability and versatility. These features are: Two-stage trigger group, winter trigger guard, ergo grip, QD endplate, and SOPMOD buttstock.

This is a used surplus Knights Armament Company “USMC” marked folding micro rear sight assembly compatible with 1913 picatinny mounting rails. Our highly versatile 200-600 Meter Micro Rear Sight features a finger-adjustable, rotating drum that enables shooters to engage targets from 200 to 600 meters with both speed and accuracy. These sights will ship as shown with no factory packaging and the manufacturer part number is 25650-1.

Through 11/30/25, save 20% on all LMT Defense uppers and 15% on complete rifles, lowers, bolt carrier groups, charging handles, sights, and more. At checkout, apply discount with coupon code "LMTBLK"

The KAC Rifle Length Free Float RAS (Rail Adapter System) features full length mil-spec M1913 Picatinny rails at the 12-, 3-, 6-, and 9 o’clock positions, making it compatible with any number of rail-mounted tactical accessories. The rail free floats the barrel, allowing for consistent barrel harmonics upon firing, and thus increased accuracy potential. Includes three KAC 11 Rib Rail Panels.

While supplies last, get the Knight's Armament Company SR-25 7.62 NATO 20rd Magazine for only $112.61 each (reg. $118.53), automatically saving you $5.92 per unit. Discount already applied, no coupon code needed. Order now on Bossfirearms.com.

Extended through 10/12/25, save 20% on most LMT Defense rifles, parts, and more. At checkout, use coupon code "LMT20" to apply discount.

While supplies last, shop LMT Defense and get more for less with our new complete upper bundles, saving you as much as $722 on your order. Hurry, these won't last long!