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Manufacturer

California law (AB 1263) Notice

Starting December 31, 2025, we will temporarily pause all shipments to California.

DUE TO THE CURRENT LEGAL CHANGES IN THE STATE OF CALIFORNIA, 
WE WILL NO LONGER BE SHIPPING TO THE STATE OF CALIFORNIA. 

  1. Home
  2. AR-15
  3. LOWER PARTS
  4. LOWER PARTS KITS

Professional-Grade Lower Parts Kits

Featured Products

Lower Build Kit with 3oz buffer
Lower Build Kit with 3oz buffer
$75.99 $55.95 Sale
In Stock.
Add To Cart
Magpul Lower Build Kit In Black
Magpul Lower Build Kit In Black
$120.00 $108.95 Sale
In Stock.
Add To Cart
Magpul Lower Build Kit In BLK
Magpul Lower Build Kit In BLK
$174.99 $120.00 Sale
In Stock.
Add To Cart
Magpul LowerBuild Kit
Magpul LowerBuild Kit
$89.99 $68.99 Sale
In Stock.
Add To Cart
AR-15 Lower Build Kit With Stock
AR-15 Lower Build Kit With Stock
$115.99 $85.99 Sale
In Stock.
Add To Cart
WILSON COMBAT LOWER BUILD KIT
WILSON COMBAT LOWER BUILD KIT
$185.00 $135.00 Sale
Out of Stock.
Lower Parts Kit with Magpul Moe Grip and Trigger Guard
Lower Parts Kit with Magpul Moe Grip and Trigger Guard
$79.99 $69.83 Sale
In Stock.
Add To Cart
Magpul MOE Stock & Grip Lower Parts Kit - Black
Magpul MOE Stock & Grip Lower Parts Kit - Black
In Stock.
Add To Cart
Magpul MOE Stock & Grip, Lower Parts Kit - FDE
Magpul MOE Stock & Grip, Lower Parts Kit - FDE
$95.99
In Stock.
Add To Cart
AR-15 Lower Pins And Springs Kit
AR-15 Lower Pins And Springs Kit
$14.95 $9.99 Sale
In Stock.
Add To Cart
AR-15 Gunbuilders Lower Parts Kit (Pins & Springs Only )- (Not including Trigger/Grip)
AR-15 Gunbuilders Lower Parts Kit (Pins & Springs Only )- (Not including Trigger/Grip)
$32.00
In Stock.
Add To Cart
MIL SPEC Trigger
MIL SPEC Trigger
$15.99 $12.95 Sale
In Stock.
Add To Cart
Milspec Anti-Walk Pin Kit
Milspec Anti-Walk Pin Kit
$14.99 $10.99 Sale
In Stock.
Add To Cart
H2 Buffer 5.56 4.6 oz Tungsten - Enhanced Trigger Reset Optimized
H2 Buffer 5.56 4.6 oz Tungsten - Enhanced Trigger Reset Optimized
$45.85 $32.00 Sale
In Stock.
Add To Cart
Safety Selector
Safety Selector
$6.75 $5.99 Sale
In Stock.
Add To Cart
TALON 45/90 - GI Safety Selector - AR15
TALON 45/90 - GI Safety Selector - AR15
$41.95 $39.95 Sale
In Stock.
Add To Cart
UTG AR15 Quick Detachable Receiver End Plate
UTG AR15 Quick Detachable Receiver End Plate
$15.97 $14.97 Sale
Back Order.
Add To Cart
AR Accu Wedge Buffer Strong Anti-Wobble Upper/Lower Receiver Tightener- RED
AR Accu Wedge Buffer Strong Anti-Wobble Upper/Lower Receiver Tightener- RED
$7.50
In Stock.
Add To Cart
Trigger Pin
Trigger Pin
$2.50 $1.15 Sale
In Stock.
Add To Cart
Safety Selector Spring
Safety Selector Spring
$1.50 $0.75 Sale
In Stock.
Add To Cart
Takedown Pin Detent
Takedown Pin Detent
$1.50 $0.60 Sale
In Stock.
Add To Cart
Magazine Catch Button
Magazine Catch Button
$6.50 $3.25 Sale
In Stock.
Add To Cart
Magazine Catch Spring
Magazine Catch Spring
$1.50 $0.75 Sale
In Stock.
Add To Cart
AR-15 Receiver End Plate – Ambi
AR-15 Receiver End Plate – Ambi
$12.99 $7.95 Sale
In Stock.
Add To Cart
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