Lower Parts Kits

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Sons of Liberty Gun Works Enhanced Blaster Guts – Ambi Lower Parts Kit for AR-15

Out of stock

$168.33

SOLGW Lower Parts Kit is made from only the highest quality Mil-Spec or better components, with a Nitride finish. Included parts:

  • Liberty Fighting Trigger
  • Ambi Safety Selector
  • Takedown Pins
  • Magazine Release
  • Bolt Catch/Release
  • SOPMOD B5 Grip
  • Trigger Guard
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Sons of Liberty Gun Works Blaster Guts – Lower Parts Kit for AR-15

Out of stock

$146.28

SOLGW Lower Parts Kit is made from only the highest quality Mil-Spec or better components, with a Nitride finish. Included parts:

  • Liberty Fighting Trigger
  • Takedown Pins
  • Magazine Release
  • Bolt Catch/Release
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-11%
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Bravo Company BCM Gunfighter Enhanced Lower Parts Kit for AR-15

Out of stock

$115.17 – $115.94

This kit includes all the Mil-Spec quality components you have come to expect from BCM, along with some fantastic upgrades. The kit includes:

  • BCM PNT Hammer, Hammer Spring, BCM PNT Trigger, Trigger Spring, Hammer/Trigger Pins
  • Disconnector, Disconnector Spring
  • Bolt Catch, Bolt Catch Plunger, Bolt Catch Spring, Bolt Stop Pin
  • Rear Pivot Pin
  • Buffer Retainer, Buffer Retainer Spring
  • Magazine Catch Button, Magazine Catch Spring, Magazine Catch
  • Rear Take Down Pin
  • Selector (Safety), Selector Detent, Selector Detent Spring
  • BCM Enhanced Trigger Guard, BCM Trigger Guard Pin, BCM Trigger Guard Screw
  • BCM Pistol Grip Mod 3, Grip Screw, Locking Washer
  • Take Down/ Pivot Pin Detent, Take Down/ Pivot Pin Detent Spring
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Geissele Automatics Super Duty Lower Parts Kit – No Grip

Out of stock

$105.00 – $110.00

The Geissele Super Duty Lower Parts Kit includes all the internal parts necessary to complete or rebuild your lower receiver.

1. Takedown Pin & Pivot Pin Detents (2)
2. Takedown Pin & Pivot Pin Springs (2)
3. Takedown Pivot Pin
4. Bolt Catch Plunger
5. Bolt Catch Spring
6. Bolt Catch Coiled Pin
7. Maritime Bolt Catch
8. Safety Detent
9. Buffer Retainer
10. Buffer Retainer Spring
11. Safety Detent Spring
12. Takedown Pin
13. Magazine Release Button
14. Magazine Release Spring
15. Posi-Snap Ambidextrous Safety Selector Assembly
16. Magazine Catch
17. Coiled Trigger Guard Pin
18. Super Duty Trigger Guard
19. Hex Key

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Geissele Automatics Ultra Duty Lower Parts Kit – No Grip

Out of stock

$145.00 – $150.00

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.

1. Takedown Pin & Pivot Pin Detents (2)
2. Takedown Pin & Pivot Pin Springs (2)
3. Checkered Takedown Pivot Pin
4. Bolt Catch Plunger
5. Bolt Catch Spring
6. Bolt Catch Coiled Pin
7. Maritime Bolt Catch
8. Safety Detent
9. Buffer Retainer
10. Buffer Retainer Spring
11. Safety Detent Spring
12. Checkered Takedown Pin
13. Magazine Release Button
14. Magazine Release Spring
15. Super Configurable Safety Selector
16. Magazine Catch
17. Coiled Trigger Guard Pin
18. Geissele Ultra Precision™ 5 Axis Trigger Guard
19. Hex Key

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Daniel Defense Lower Receiver Parts Kit

Out of stock

$129.21
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-3%
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Aero Precision Standard Lower Parts Kit for AR-15

Out of stock

Original price was: $64.99.Current price is: $62.91.

Aero’s lower parts kit helps you to build a custom AR15 from the ground up. Mil-spec dimensions and coating ensure the highest quality and correct component interface. This kit Includes:

  • Takedown/pivot Spring, Takedown/pivot detent, Trigger/hammer pin, Takedown pin, Pivot pin
  • Bolt Catch, Bolt Catch Spring, Bolt Catch buffer, Bolt catch roll pin
  • Safety Selector, Safety Selector spring, Safety Selector detent
  • 4-40 Set Screw (for threaded takedown pin detent hole)
  • Buffer retainer, Buffer retainer spring
  • Trigger guard, Trigger guard roll pin
  • A2 pistol grip, Pistol grip screw, Pistol grip lock washer
  • Trigger spring, Hammer Spring, Disconnector spring
  • Magazine catch body, Magazine catch spring, Magazine catch button
  • Hammer, Trigger, Disconnector
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Aero Precision Lower Parts Kit for AR-15 (Excludes FCG, Trigger Guard, Pistol Grip)

Out of stock

$48.74
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-7%
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CMC Triggers Complete Lower Parts Kit w/ Single Stage Curved 3.5lb Trigger

Out of stock

Original price was: $249.00.Current price is: $232.26.
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Armaspec Gun Builder’s Lower Parts Kit for .223/5.56 – No FCG/Grip

Out of stock

$76.62

Armaspec Stainless Steel Gun Builder’s Lower Parts Kit less Trigger Group & Grip for .223/5.56. If you are looking for a high-end gun builder’s kit then this one is for you. It incorporates all the great products from Armaspec in one package. Available in Black with steel Takedown/Pivot Pins.

  • Includes Armaspec Enhanced Lower Parts
  • Compatible with most AR-15 lowers
  • Made in the U.S.A.
  • Lifetime Warranty
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CMMG Gunbuilder’s Lower Parts Kit – 5.56 – No Grip or Fire Control Group

Out of stock

$40.91

CMMG Gun builders kit includes most of the necessary parts to build up your lower group except the commonly upgraded parts. Does not include Trigger Guard, Fire Control Group, and pistol grip. All parts meet or excede mil-spec.

  • All the parts included in this package meet or exceed military specifications and are 100% made in the USA.
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CMMG AR-15 Enhanced Field Repair Parts Kit

Out of stock

$47.83
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CMMG Complete Lower Parts Kit

Out of stock

$73.55
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-2%
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CMMG Complete Lower Parts Kit w/ Ambidextrous Selector

Out of stock

Original price was: $74.95.Current price is: $73.29.

Premium lower parts kit with ambidextrous safety selector. All parts meet or exceed military specifications and are 100% made in the USA. All the parts you need to get started on you next AR-15 build. Combine this kit with a buttstock kit to complete your lower group.

  • Takedown Pin, Receiver Pivot Pin, Takedown Pin Detent (2), Takedown Pin Detent Spring (2)
  • Ambi Safety Selector, Ambi Safety Selector Lever, Ambi Selector Screw, Wrench
  • Bolt Catch, Bolt Catch Plunger, Bolt Catch Spring Pin, Bolt Catch Spring
  • Buffer Retainer, Buffer Retainer Spring
  • Hammer & Trigger Pin, Hammer Spring
  • Trigger Spring, Disconnect, Disconnect Spring
  • Magazine Catch, Magazine Catch Spring, Magazine Release Button
  • Trigger Guard Assembly, Trigger Guard Pivot Spring Pin
  • Selector Detent, Selector Detent Spring, Lock Washer, Pistol Grip Screw
  • Hammer, Trigger, Pistol Grip
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CMC Triggers Complete Lower Receiver Parts Kit for AR-15

Out of stock

$47.48
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Armaspec Superlight Gun Builders Kit for .223/5.56

Out of stock

$80.91
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CMMG AR-15 Survival Parts Kit

Out of stock

$67.61
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-17%
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Armaspec Superlight Lower Parts Kit for .223/5.56

Out of stock

$62.29 – $85.22
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Battle Arms Development 3-Piece Enhanced Lower Parts Kit

Out of stock

$35.18

BAD-LPK-PK3 3 Piece Enhanced Lower Parts Kit Consisting of the following:

  • Enhanced Bolt Catch (BAD-EBC-IC), which is a cost-friendly alternative, without sacrificing the quality for your AR build! The AR-15 Cast Enhanced Bolt Catch is 8620 heat treated cast steel with a manganese phosphate black finish.
  • Enhanced Single Sided Safety Selector (BAD-E4S-IC) for the AR15 Style Rifles.
  • Enhanced Magazine Catch – BAD-EMC-IC
  • More information available below
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-7%
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CMC Triggers Complete Lower Parts Kit w/ Single Stage Flat 3.5lb Trigger

Out of stock

Original price was: $249.00.Current price is: $232.26.

CMC Triggers Complete Lower Receiver Parts Kit for AR-15 is a great addition to your AR15 build. From amateur gun builder to seasoned expert gunsmith, this lower parts kit is for you. *NOTE: Fire control group & grip NOT INCLUDED.

  • Bolt Catch, Bolt Catch Plunger
  • Bolt Catch Spring, Bolt Catch Roll Pin
  • Mag Release, Mag Release Button. Mag Release Spring
  • Buffer Retainer Spring
  • Safety
  • Buffer Retainer
  • Safety Detent Spring, Safety Detent
  • Trigger Guard. Trigger Guard Roll Pin
  • Take-down Detent Springs, Take-down Detent, Take-down Pins
  • 3.5lb Flat Trigger
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-5%
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Seekins Precision Enhanced Builder’s Kit – 5.56 LPK

Out of stock

$142.00 – $149.00
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San Tan Tactical Complete Lower Receiver Parts Kit – LPK for AR-15 (MilSpec)

Out of stock

$47.10

STT Complete Lower Receiver Parts Kit for AR-15 is a great addition to your AR15 build. From amateur gun builder to seasoned expert gunsmith, this lower parts kit is for you. NOTE: Fire control group and grip NOT included. Kit contains:

  • Bolt Catch
  • Bolt Catch Plunge
  • Bolt Catch Spring
  • Bolt Catch Roll Pin
  • Mag Release
  • Mag Release Button
  • Mag Release Spring
  • Buffer Retainer Spring
  • Safety
  • Buffer Retainer
  • Safety Detent Spring
  • Safety Detent
  • Trigger Guard
  • Trigger Guard Roll Pin
  • Takedown Detent Springs
  • Takedown Detents
  • Takedown Pins
  • All parts meet or exceed MIL-SPEC
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