Small Parts - Lower

The Geissele Automatics Right-Handed Posi-Lock Safety Selector features a positive and tactile design that snaps into position for faster weapon manipulation. It is machined from 400 series stainless steel and black anodized. It features deep serrations...

The Ratchet Lock Castle Nut End Plate set works with mil-spec OR commercial buffer tubes and eliminates the need for staking. A quick upgrade to any rifle build, the Ratchet Lock Castle Nut End Plate features a QD mount and easy installation with any...

The Geissele Maritime Bolt Catch is designed with the demanding user in mind and will work with any lower receiver designed to accept a MIL-SPEC AR-15/M16 bolt catch. The increased surface area promotes ease of function when locking back or releasing the...

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 built...

ELFTMANN MATCH SINGLE-STAGE TRIGGER: STANDARD PIN The ELF Drop-In Match Trigger has been built for law enforcement and military duty. The only AR-15 trigger using aerospace grade sealed bearings, making for an incredibly smooth and fast trigger pull. Our...

This ultra-durable AR15/M4 Chrome-Silicon Carbine Buffer Spring is the perfect complement to your top-tier lower. Length: Approx. 10.75" Made in U.S.A    

Email: info@arftac.com for price The Geissele 2 Stage (G2S) was designed to be a high quality, cost effective option of the SSA. The G2S is a 4.5lb. non-adjustable combat trigger that is a precision two-stage trigger and allows precise and accurate...

Sourced from one of the best OEM AR small parts manufacturers in the world, Schmid Tool. Genuinely mil-spec, you can rely on the same small parts as the military. Includes: Mil-Spec Small Parts 2x Takedown/Pivot Pin Detents 2x Hammer/Trigger Pins 1x...

Aero's lower parts kit helps you to build a custom AR15 from the ground up. Mil-spec dimensions and coating ensure the highest quality and correct component interface. This lower parts kit does not include the fire control group, pistol grip or...

Introducing the Talon-GI, Radian is pleased to offer a variant of the Talon 45/90 safety selector that features no weak side lever, for those who prefer this configuration to an ambidextrous setup. The Talon-GI comes with one long lever that is installed...

The AR15/AR10 7075 Carbine Buffer Extension Tube is the perfect complement to standard rifle builds. This tube features mil-spec dimensions and is manufactured in the USA. Includes: Mil-Spec 7075-T6 Aluminum Buffer Tube, 6-position Carbine length Made...

The BEST $50 Trigger Assembly. On Sale for $34.99 for a Limited Time.   If you like a traditional AR trigger, then you're going to love this one. We think these are the best of the breed, among the finest entry-level triggers available. These are...