AR-15 Builder Lower Parts Kit No FCG/Grip Black
Armaspec Gun Builder’s Lower Parts Kit is a builder-focused lower parts set for an AR-15 lower receiver. It’s intentionally sold without the fire control group and pistol grip so you can run the trigger and grip you actually want.
What’s included:
- 1x Armaspec SFT 45/90 Safety Selector
- 1x Bolt Catch
- 1x Enhanced Takedown and Pivot Pins
- 1x Stainless Steel Takedown Detent
- 1x Takedown Detent Spring
- 1x Stainless Steel Pivot Detent
- 1x Pivot Detent Spring
- 1x Stainless Steel Anti-Walk Trigger/Hammer Pins
- 1x Stainless Steel Buffer Retainer
- 1x Magazine Catch
- 1x Magazine Spring
- 1x Enhanced Magazine Release Button
- 1x Stainless Steel Bolt Catch Detent
- 1x Stainless Steel Safety Selector Detent
- 1x Bolt Catch Roll Pin
- 1x Bolt Catch Spring
- 1x Buffer Retainer Spring
- 1x Selector Detent Spring
- 1x Hex Keys for Anti-Walk Pins
NOT included (this is NOT a complete LPK):
- Pistol grip
- Pistol grip screw and washer
- Trigger and hammer
- Trigger and hammer springs
- Disconnector
- Disconnector spring
- Trigger guard and trigger guard roll pin
Fitment
- AR-15 lower receiver (manufacturer notes compatibility with most AR-15 lowers)
Does NOT fit
- Manufacturer does not list specific exclusions. If you have a proprietary/non-mil-spec lower receiver, verify compatibility before purchase.
Tools needed
- Armorer tools typical for AR-15 lower assembly (punches/hammer/bench block). Hex keys included for the anti-walk pins.
Install notes
- This kit is missing key parts on purpose (trigger group, grip, and trigger guard pieces). Make sure you have those parts on hand before starting your build.
- After assembly, function check: safety selector, magazine catch, bolt catch, and takedown/pivot pin retention.
Please double check details and fitment before purchase.
⚠ Trademark & Compatibility Disclaimer: All manufacturer names and model designations are used for identification and compatibility purposes only. This is an aftermarket product and is not affiliated with or endorsed by any firearm manufacturer.
⚠ Install & Compatibility Disclaimer: Incorrect installation can affect function and safety. Installation and function testing should be performed by a qualified armorer/gunsmith before live-fire use.
