Presma 28 Piece AR-15 Lower Parts Kit .223/5.56

Upgrade your AR-15 build with the Presma 28 Piece Lower Parts Kit, a high-performance component set designed for reliability, customization, and precision. This kit excludes the fire control group (trigger, hammer, disconnector) and pistol grip—perfect for builders who want to hand-select premium components to complete their custom lower receiver.

Each part in this kit is precision-machined and manufactured from durable, high-quality materials to ensure long-lasting performance in any shooting scenario—from the range to the field. Whether you're finishing a new build or replacing worn components, Presma offers the reliability and craftsmanship you demand.

✅ Key Features:

✅ 28 Precision-Machined Components – Ensures exact fit and smooth operation in your AR-15 lower receiver
✅ No Fire Control Group or Grip – Ideal for custom builds and performance upgrades
✅ Durable Construction – Engineered from rugged materials to handle repeated, high-volume use
✅ Custom-Build Ready – Pair with your favorite trigger, hammer, and grip for full personalization
✅ Universal Compatibility – Designed to work with all mil-spec AR-15 lower receivers
✅ Reliable Performance – Perfect for builders, enthusiasts, and professional gunsmiths
✅ Everything You Need, Nothing You Don’t – Complete your lower with the most essential parts

What’s Included:

• ✅ Bolt Catch

• ✅ Bolt Catch Plunger

• ✅ Bolt Catch Roll Pin

• ✅ Bolt Catch Spring

• ✅ Buffer Retainer Pin

• ✅ Buffer Retainer Spring

• ✅ Detent Springs (x2)

• ✅ Disconnector (for reference, not needed without FCG)

• ✅ Disconnector Spring (for reference, not needed without FCG)

• ✅ Hammer Pin (for reference, not needed without FCG)

• ✅ Hammer Spring (for reference, not needed without FCG)

• ✅ Magazine Catch

• ✅ Magazine Catch Spring

• ✅ Magazine Catch Button

• ✅ Pistol Grip Screw

• ✅ Pistol Grip Lock Washer

• ✅ Pivot Pin

• ✅ Pivot Pin Detent

• ✅ Safety Detent

• ✅ Selector (Safety)

• ✅ Selector Spring

• ✅ Takedown Pin

• ✅ Takedown Pin Detent

• ✅ Trigger Pin (for reference, not needed without FCG)

• ✅ Trigger Spring (for reference, not needed without FCG)

• ✅ Trigger Guard

• ✅ Trigger Guard Roll Pin

 Ideal For:

• AR-15 custom builders looking for modular flexibility

• Shooters upgrading specific lower receiver components

• Firearm enthusiasts who want mil-spec compatibility

• Gunsmiths and professionals needing reliable spare parts

Upgrade your build today with the trusted precision of Presma. Built to perform. Engineered to last.