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The Battle Arms Development Enhanced Lower Parts Kit (BAD-LPK-PK3) takes the three controls people fumble with most and swaps them for pieces that are easier to find, grab, and run. Instead of a full parts kit stuffed with springs, detents, and pins, this Package 3 keeps things focused on the components that make the biggest difference at the range: the enhanced bolt catch, the single-side safety selector, and the fluted magazine catch. All three are investment cast from 8620 heat-treated steel with a black finish, which is the same casting process used for mil-spec parts, so durability isn't a trade-off for the better ergonomics.
The bolt catch (BAD-EBC-IC) is the standout for a lot of builders. It uses a raised T-shaped heel and bold horizontal and diagonal serrations, so locking the bolt back or dropping it is a lot more positive, even with gloves on. It's also compatible with the Norgon Ambi-Catch without any clearance issues, which is a nice touch if you plan to go ambidextrous later. The single-side safety selector (BAD-E4S-IC) borrows its shape from the well-known BAD-ASS ambidextrous selector, with a familiar 0 to 90 degree semi-auto throw and the same aggressive serrations for a solid thumb purchase.
The magazine catch (BAD-EMC-IC) is a one-piece fluted design rather than the usual two-piece setup, and it comes in lighter than a standard mil-spec catch. Its shorter threaded pin helps keep solid-face magazine release buttons sitting closer to the receiver, and it plays nice with mil-spec release buttons along with BAD's own EMR and EMMR releases.
This kit fits standard mil-spec AR-15 lower receivers and is made in the USA. Worth knowing before you order: it does not include roll pins, springs, or detents, so you'll want those on hand from a completion kit if you're building from bare. The single-side selector mounts on the left side only, so if you're after true ambi controls you'll want to look at a dedicated ambidextrous selector instead. For anyone upgrading the feel of a build without a full teardown, this trio is a straightforward win.
No. This Package 3 kit is focused on three enhanced controls: the bolt catch, single-side safety selector, and magazine catch. You'll need a separate completion kit for the roll pins, springs, and detents if you're building from a bare lower.
No, the BAD-E4S-IC included here is a single-side selector that mounts on the left side only. If you want ambidextrous controls, you'd want a dedicated ambi selector like BAD's own BAD-ASS instead. This selector shares the same shape and serrations as the ambi version, just in a single-side format.
Yes, all three components are built to fit mil-spec dimensioned AR-15 lower receivers. The parts are investment cast from 8620 heat-treated steel using the same process as mil-spec parts, so they drop into standard builds without fuss.
It is. The one-piece fluted BAD-EMC-IC works with mil-spec magazine release buttons as well as Battle Arms Development's own EMR and EMMR releases. Its shorter threaded pin also keeps solid-face release buttons sitting a bit closer to the receiver.
| UPC | 810033781261 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | BAD-LPK-PK3 |
| Color | Black |
| Length | 2.9000 |
| Model | |
| Product Type | Lower Parts Kit |
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