Small Parts - Lower

The Enhanced Trigger Guard is a non-folding black anodized aluminum drop in replacement for the AR15/M4 weapons platform. It features a shallow "V" shape for better use of gloves in tactical shooting or cold weather operations. The Enhanced Trigger Guard...

BCM® PNT™ Trigger Assembly (Polished - Nickel - Teflon) BCM quality, modern manufacturing processes, and aerospace coatings are combined to ensure parts last a lifetime while performing far beyond requirements established nearly six decades...

The BCMGUNFIGHTER™ Trigger Guard AR-15 Type Series Trigger Guard, Mod 0   Ergonomically correct shape and contour No sharp edges, which enhances shooter comfort Compatible with duck-billed grips Made of impact resistant polymer Like all...

One of the Best. At Any Price. The LaRue Tactical MBT-2S Two-Stage Trigger is one of the best triggers available for the AR platform. Two stages and a crisp break are what defines this well-built trigger. Designed with precision and durability in...

Did you launch a detent and spring across the garage during your build and now you can't find it? Aero Precision's Fix-It Kit gets you the most commonly lost parts to finish your build. All parts in the Fix-It kit are compatible with AR15, M4E1 and M5...

This is our "basic" Lower Parts Kit, entirely made in the USA. It doesn't include a fire control group, trigger guard or grip assembly, allowing you to customize those parts.   Includes: Takedown Pin – Phosphate* Pivot Pin...

The Schmid Tool 90 degree ambidextrous safety selector is compatible with mil-spec, M4E1, and M5 lower receivers. Includes safety levers for both sides of the lower receiver allowing manipulation for both left and right-handed shooting techniques...

AR15 Takedown Pin Detent (2) Takedown Pin Spring (2) Roll Pin, Fwd Assist (2) Bolt Catch Spring (2) Bolt Catch Buffer Bolt Catch Roll Pin (2) Trigger/Hammer Pin Safety Selector Spring Safety Selector Detent Buffer Retainer Buffer Retainer Spring...