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The BMSA lower parts kit is the premier kit for the industrious AR builder. If you would like to place an order please contact our sales team at sales@bigmousesmallarms.com.
MOQ 100 Units
Our AR pattern LPKs are available in bulk packaging for our manufacturing partners and retail packaged in the industry standard colored bags for our retail partners. These retail packaged kits can be provided with a BMSA product card, white label, or with your own branded insert card. Please contact our sales team to get started.
Kit includes:
This MIL-SPEC lower parts kit is precision machined for a drop-in fit with nearly all lower receivers on the market. Features a black hammer and trigger.


