Small Parts - Lower

The Geissele Automatics Ultra Duty AR-15 Lower Parts Kit comes with everything you need to build out your lower receiver. However, it comes with Geissele’s selection of high-quality parts that give you a slight advantage over standard Mil-Spec...

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...

The Radian Weapons Ultralight QD Endplate for AR15/M16 pattern rifles. Weighing only 6.5 grams, the endplate is machined from billet 6061-T6 aluminum with milspec Type III anodized finish and a press-fit Titanium QD sling swivel cup. This combination of...

Precision CNC machined Extended Bolt Catch compatible with standard AR15/M16 receivers.   The Radian Weapons Extended Bolt Catch is an easy to install part that will greatly enhance the ergonomics and utility of your AR-15. This bolt catch lever...

The Schmid AR15/AR10 7075 Carbine Buffer Extension Tube is the perfect addition to any AR build. Featuring mil-spec dimensions and compatible with a wide range of AR15 stocks, this hard coat anodized 6-position dry-lubed tube is manufactured by Schmid...

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...