Small Parts - Lower

Aero Precision’s line of Lower Parts Kits featuring Magpul™ Grips is designed to be versatile for your needs. Each kit is available with MOE Grip Options in Black and FDE. Buy with our Mil-spec+ Fire Control Group or go all out with the well...

Expect nothing less than professional grade weaponry from Bravo Company USA, holding one of the nation’s largest stocking inventories of AR-15, M4, and M16 parts and accessories.The GUNFIGHTER QD End Plate features a quick detach swivel socket...

Expect nothing less than professional grade weaponry from Bravo Company USA, one of the nation’s largest stocking inventories of AR-15, M4, and M16 parts and accessories.Your rifle is only as reliable as the parts you put into it. Bravo...

The Talon ambidextrous safety selector is a modular design that can be installed as a standard 90 degree or as a 45 degree short throw by simply rotating the shaft 180 degree inside the lower receiver. Selector levers install using a precision machined...

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...

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...