AT3™ AR 15 Enhanced Lower Parts Kit with 5lb Single Stage Nickel Teflon Trigger – No Grip or Trigger Guard

SKU: LPK-ENHANCED

Out of Stock
Orders will Ship within 1 Business Day
Backed by the AT3 Lifetime Warranty!
TOP ADD-ON'S
AT3 Tactical FU-BAG Lost Parts Kit - Because Oops Happens

AT3™ FU-BAG™ AR-15 Lost Parts Kit – Springs, Detents, Replacement Components

$7.99
Magpul Moe Grip for Pistol Grip

Magpul MOE AR-15 Pistol Grip - Black

$19.99

Tired of swapping out parts? Build the lower you actually want.

This premium lower parts kit features our AT3 Enhanced Nickel Teflon Trigger, giving you the quality trigger your rifle deserves, and the flexibility to tailor your lower to your preference.

This kit is great for any AR builder who wants quality components without breaking the bank, and pairing the pistol grip and trigger guard of your choice with our Nickel Teflon Trigger Assembly. The trigger has a smooth pull and clean break unlike a standard trigger, which can be gritty and detract from accuracy.

American Made Quality

  • All parts meet or exceed military specifications (Mil Spec)
  • Components are 100% Made in the USA
  • Quality packaging keeps components protected and organized
  • Backed by the AT3 Lifetime Warranty

This Kit Includes:

  • Nickel Teflon Hammer
  • Nickel Teflon Trigger
  • Enhanced Disconnector
  • Hammer Spring
  • Trigger Spring
  • Hammer Pin
  • Trigger Pin
  • Disconnector Spring
  • Bolt catch
  • Bolt catch plunger
  • Bolt catch roll pin
  • Bolt catch spring
  • Buffer retainer
  • Buffer retainer spring
  • Magazine catch
  • Magazine catch button
  • Magazine catch spring
  • Pivot pin
  • Pivot pin detent
  • Pivot pin detent spring
  • Selector
  • Selector detent
  • Selector detent spring
  • Takedown pin
  • Takedown pin detent
  • Takedown pin detent spring
  • Pistol grip screw and lock washer
  • Detailed parts diagram included for quick and easy part identification

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

AT3 Lifetime Warranty Logo

All AT3 Tactical Brand Products carry a lifetime warranty against manufacturer’s defects.

This includes AT3 Red Dot SightsHandguardsIron Sights, and any other product that carries the “AT3 Tactical” or “AT3™” name. For other brands (ex. Magpul or Troy), please refer to the manufacturer’s warranty policy.

In the event that your AT3™ product becomes unusable, we will repair or replace the product at no charge to you.

If we cannot repair your product, we will replace it with a product in perfect working order of equal or better physical condition. The warranty is fully transferable, but we may require information about the original purchase to validate the authenticity of the product.

If your product is in need of warranty service, please contact AT3 Tactical to start the process

Our contact info is available here. To expedite processing, please provide your order information and description of the defect.

Please note: The AT3 Lifetime Warranty does not cover loss, theft, intentional damage or cosmetic damage that doesn’t affect the performance of the product.

Customer Reviews

Based on 65 reviews
89%
(58)
9%
(6)
2%
(1)
0%
(0)
0%
(0)
B
Bludog
Great Kit!

Great kit. Good as or better than PSA's, but unlike PSA, AT3's kit is $35 less, free shipping, and includes a parts list with instructions.

The only place to buy it.

Thanks for sharing your feedback! We're glad you're satisfied with your purchase. Cheers!

J
Joseph Benson
Love it

The only thing it didn't come with the trigger guard roll pin but it came with a trigger guard I ordered so all is well. Trigger feels great. Works flawlessly

C
Christopher Rigoli
Love AT3 and the products.

The kit is simple, instructions are clear and parts are marked on a sheet.

Fast shipping great customer service. Can’t say anything bad about this set up so far.

Thanks for sharing your feedback, Christopher. We're glad you're satisfied with your purchase. Cheers!

J
James Coleman
Great Parts Kit

Bought the kit to help build my girlfriends lower. Came with everything that was listed and everything went into place perfectly. Can’t wait to finish the build with her

Thanks for sharing your feedback, James. We're glad you're satisfied with your purchase. Cheers!

R
Reginald Silver
Excellent product

This is my first Ar build and it only took me 1 hour to put the lower parts kit into my receiver. The trigger feels great. I'm giving this kit a 4 star rating simply because I wish the parts were packaged in a way to easily identify which parts went with which springs and so on.

Thanks for sharing your feedback, Reginald. Your comments were all noted. We're glad you liked it.

Customers who viewed this item also viewed these products

Strike Industries Enhanced AR15 Lower Parts Kit - No Fire Control Group - AT3 Tactical

Strike Industries Enhanced AR15 Lower Parts Kit - No Fire...

$58.95
A Convenient Upgrade Package For AR15 Builds The Strike Industries Enhanced AR15 Lower Parts

LBE Unlimited AR-15 Lower Parts Kit without Trigger Guard or...

(no reviews yet)
$64.95
US Made AR-15 Lower Parts Kit without Grip or Trigger Guard This lower parts

AT3™ Pro-Builder™ AR-15 Lower Parts Kit - No Grip or...

$29.99
Perfect Lower Parts Kit for the Premium Builds This quality lower parts kit excludes
Battle Arms Development Enhanced AR-15 Nickel Teflon Trigger - AT3 Tactical

Battle Arms Development Enhanced 6lb Single Stage AR-15 Nickel Teflon...

$65.95
Battle Arms Development BAD-ET Nickel Teflon Polished AR15 Trigger Enhanced with a Nickel Teflon

AT3™ 2-Stage AR 15 Lower Parts Kit with 4.5lb Nickel...

$129.99
Experience the difference a 2-Stage Trigger makes in your next build. Get more out

AT3™ AR-15 Enhanced Billet Trigger Guard Assembly

$9.99
AT3 Billet Trigger Guard – Perfect for Winter and Gloves This billet aluminum trigger
Troy Enhanced Trigger Guard  - SGUA-AMB-00BT-00

Troy AR-15 Enhanced Trigger Guard

$24.99
Troy AR-15 Enhanced Trigger Guard The Troy Industries Enhanced Trigger Guard is a fantastic
LBE Unlimited AR-15 Lower Parts Kit with Trigger Guard and Grip - AT3 Tactical

LBE Unlimited AR-15 Lower Parts Kit with Trigger Guard and...

(no reviews yet)
$69.99
Complete US Made AR-15 Lower Parts Kit This AR-15 lower parts kit from LBE

AT3 AR 15 Lower Build Kit - Magpul Stock and...

$175.99
Finish Off Your New Rifle Lower with an Enhanced Trigger and Matching Magpul Furniture
Magpul MOE Enhanced Trigger Guard

Magpul MOE Enhanced AR-15 Trigger Guard

$9.45
Transform Flat Mil-Spec Dimensions into Tactile Ergonomic Perfection The MOE Enhanced trigger guard overhaul
Strike Industries Enhanced AR15 Lower Parts Kit - AT3 Tactical

Strike Industries Enhanced AR15 Lower Parts Kit

(no reviews yet)
Complete Parts With FCG For A Smooth & Reliable Trigger Operation The Strike Industries
AT3™ Enhanced Lower Parts Kit with Nickel Teflon Trigger and Magpul MOE Grip

AT3™ Enhanced Lower Parts Kit with Nickel Teflon Trigger and...

$84.99
Enhance your AR with a superior trigger and grip with AT3 and Magpul This

Frequently purchased together

AT3™ Mil Spec Buffer Tube Kit For AR-15

AT3™ Mil Spec Buffer Tube Kit For AR-15 - 9...

$39.99
The perfect kit for your next build – at a price that can’t be
AT3™ Low Profile Micro Steel Gas Block - 4 Sizes Available

AT3™ Low Profile Micro Steel AR 15 Gas Block -...

$25.99
This premium Steel Micro Gas Block comes in 4 sizes: .625″, .75″, .875″, and
Black Warhammer with BCG

AT3™ Black Nitride 5.56 Bolt Carrier Group with Breek Arms...

$119.99
AT3 Black Nitride BCG + Breek Warhammer AR-15 Charging Handle The AT3 Tactical BCG
AT3™ Mil-Spec AR-15 Buttstock Kit - Stock, Buffer, Tube, Springs, Plate

AT3™ Mil-Spec AR-15 Buttstock Kit - Stock, Buffer, Tube, Springs,...

$60.99
This buttstock kit combines a Mil-Spec stock and buffer tube with all the needed

AT3™ FU-BAG™ AR-15 Lost Parts Kit - Springs, Detents, Replacement...

$7.99
Made an “Oops” with your New Build?  You Detent-Launchin’, Spring-Losin’ Fool, you. We’ve all
Magpul MOE Enhanced Trigger Guard

Magpul MOE Enhanced AR-15 Trigger Guard

$9.45
Transform Flat Mil-Spec Dimensions into Tactile Ergonomic Perfection The MOE Enhanced trigger guard overhaul
AT3 Spear M-LOK Handguard with Cerakote Finishes - 7 Colors

AT3™ SPEAR M-LOK Handguard for AR-15 – 9, 12, &...

$99.99
The AT3 SPEAR™ is our best, most secure handguard. Simple to install, lightweight, and
AT3 Tactical Castle Nut for AR15

AT3™ Castle Nut for AR-15 Buffer Tubes - 9 Colors...

$3.99
Secure Your AR15 Buffer Assembly with a Steel Castle Nut This steel castle nut

AT3™ Mil Spec AR-15 Buffer Tube - 9 Colors Available

$17.99
Mil-Spec AR-15 Carbine Buffer Tube Made 6061-T6 aluminum construction with a black anodized finish,
AT3™ AR-15 Bolt Carrier Group -  5.56 NATO/.300 Blackout - Black Nitride

AT3™ Black Nitride AR-15 Bolt Carrier Group - 5.56 NATO/.300...

$79.99$71.99
AT3 Tactical is bringing you the best with this Top-Tier Black Nitride Bolt Carrier
AR 15 Buttstock Magpul MOE Carbine Stock

Magpul MOE Carbine Stock - MIL-SPEC AR-15 - MAG400

Simplicity Meets Quality – Get The Best Without Breaking The Bank The Magpul MOE
Rosco Manufacturing Bloodline 16 Inch Midlength Barrel - 5.56 NATO

Rosco Manufacturing Bloodline 16 Inch Midlength Barrel - 5.56 NATO

$135.00
The Ideal Barrel For Great Balance Of Speed And Performance The Rosco Manufacturing Bloodline

Questions & Answers

Don't see the answer
you're looking for?

Loading questions...