Lower Parts Kits

KAK Industry K-SPEC Buffer and Spring - H1 - 3.8 oz   The K-SPEC Buffer was developed with specific goals in mind- Reducing felt recoil and providing faster follow up shots. With modern technology being applied to firearms, you're likely aware...

KAK Industry K-SPEC Buffer and Spring - H2 - 4.7 oz  The K-SPEC Buffer was developed with specific goals in mind- Reducing felt recoil and providing faster follow up shots. With modern technology being applied to firearms, you're likely aware of...

KAK AR-15 "LITE" Lower Parts Kit - No Fire Control Group The KAK AR-15 "LITE" Lower Parts Kit is perfect for those looking to install an aftermarket match trigger in their AR-15 build. This kit includes all essential KAK-produced parts but excludes the...

KAK AR-15 Lower Parts Kit - Red Bag (No Grip or Trigger Guard) The KAK AR-15 Lower Parts Kit provides all the essential components to complete your AR-15 lower receiver, while leaving room for user customization. This kit excludes the grip and trigger...

KAK AR-15 Lower Parts Kit - Complete Mil-Spec Components The KAK AR-15 Lower Parts Kit provides everything you need to complete your AR-15 lower receiver with top-quality, USA-made components. Featuring KAK-produced parts throughout, this kit includes a...

Super Duty Trigger Guard, DDC The Geissele Super Duty Trigger Guard gives the operator extra space in the trigger area that allows the comfortable use of gloves while shooting. Precision machined and finished with the upmost care, the Geissele Super...

Sons of Liberty Gun Works Blaster Starter Kit Milspec or better lower parts kit, without the fire control group or the grip. Comes with Pivot Pin, Takedown Pin, Takedown Pin Springs (x2), QPQ Steel Takedown Pin Detents (x3), Mil-Spec Cast Bolt Catch,...

High quality components and precise manufacturing make CMMG parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on. CMMG, Receiver...

The Geissele Ultra Duty Lower Parts Kit is made for the most demanding operators and includes all the internal parts necessary to complete or rebuild your lower receiver. This top-tier LPK features proprietary Geissele designs, machined with great care...

Sons of Liberty Gun Works Enhanced Blaster Guts - B5 Lower Parts Kit Lower Parts Kit made from only the highest quality Mil-Spec or better components. The SOLGW Bolt Catch and Safety Selector are a Mil-Spec AISI8620 investment casting per the USGI TDP...

The Geissele Ultra Duty Lower Parts Kit is made for the most demanding operators and includes all the internal parts necessary to complete or rebuild your lower receiver. This top-tier LPK features proprietary Geissele designs, machined with great care...

Forward Controls Design RBF Reinforced Buffer Retainer - Stainless RBF (Reinforced Buffer retainer, Forward Controls) is a strengthened AR buffer retainer machined with Swiss machines from 17-4 stainless steel bar stock, and heat treated to H900...