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AR-15 Pistol Lower Build Kits

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Davidson Defense Wolfpack Armory AR-45 Pistol Lower Build Kit, SBA5 Pistol Stabilizing Brace Black
Davidson Defense Wolfpack Armory AR-45 Pistol Lower Build Kit, SBA5 Pistol Stabilizing Brace Black
$329.99 $249.99
Spike’s Tactical Crusader AR-15 Pistol Lower Build Kit, Heavy-Duty Pistol Buffer Tube
Spike’s Tactical Crusader AR-15 Pistol Lower Build Kit, Heavy-Duty Pistol Buffer Tube
$191.99 $144.99
DPMS AR-15 Pistol Lower Build Kit, Heavy Duty Pistol Buffer Tube
DPMS AR-15 Pistol Lower Build Kit, Heavy Duty Pistol Buffer Tube
$158.99 $119.99
Spike’s Tactical Crusader AR-15 Pistol Lower Build Kit, SBA5 Stabilizing Brace
Spike’s Tactical Crusader AR-15 Pistol Lower Build Kit, SBA5 Stabilizing Brace
$304.99 $229.99

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  3. SUMMER SALE 2023
  4. 10% Off Lower Build Kits
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  6. AR-15 Pistol Lower Build Kits
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Products [126]

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MMC Customs AR-15 Pistol Lower Receiver Build Kit Featuring A Spikes Tactical Calico Jack Lower Receiver SB Tactical SBA3 Pistol Brace Recoil Technologies LPK (Assembled or Unassembled)
MMC Customs AR-15 Pistol Lower Receiver Build Kit Featuring A Spikes Tactical Calico Jack Lower Receiver SB Tactical SBA3 Pistol Brace Recoil Technologies LPK (Assembled or Unassembled)
$504.99 $229.99 Sale
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Davidson Defense No-Logo AR-15 Pistol Lower Build Kit, Heavy Duty Pistol Buffer Tube
Davidson Defense No-Logo AR-15 Pistol Lower Build Kit, Heavy Duty Pistol Buffer Tube
$144.99 $109.99 Sale
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Davidson Defense No-Logo AR-15 Pistol Lower Build Kit, Gauntlet Arms Brace
Davidson Defense No-Logo AR-15 Pistol Lower Build Kit, Gauntlet Arms Brace
$149.99 $114.99 Sale
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Davidson Defense No-Logo AR-15 Pistol Lower Build Kit with Magpul BTR Pistol Brace
Davidson Defense No-Logo AR-15 Pistol Lower Build Kit with Magpul BTR Pistol Brace
$214.99 $159.99 Sale
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Davidson Defense No-Logo AR-15 Pistol Lower Build Kit, SB Tactical SBA3 Brace
Davidson Defense No-Logo AR-15 Pistol Lower Build Kit, SB Tactical SBA3 Brace
$249.99 $189.99 Sale
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Davidson Defense No-Logo AR-15 Pistol Lower Build Kit, SB Tactical SBA5 Brace
Davidson Defense No-Logo AR-15 Pistol Lower Build Kit, SB Tactical SBA5 Brace
$249.99 $189.99 Sale
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Davidson Defense AR-15 Ambidextrous Bolt Catch Lower Build Kit, Heavy Duty Pistol Buffer Tube
Davidson Defense AR-15 Ambidextrous Bolt Catch Lower Build Kit, Heavy Duty Pistol Buffer Tube
$209.99 $154.99 Sale
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Davidson Defense AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3 Flat Trigger, Heavy Duty Pistol Buffer Tube
Davidson Defense AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3 Flat Trigger, Heavy Duty Pistol Buffer Tube
$904.99 $679.99 Sale
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Davidson Defense AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3, Heavy Duty Pistol Buffer Tube
Davidson Defense AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3, Heavy Duty Pistol Buffer Tube
$904.99 $679.99 Sale
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Davidson Defense AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3, Gauntlet Arms Polymer Stabilizing Brace
Davidson Defense AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3, Gauntlet Arms Polymer Stabilizing Brace
$919.99 $694.99 Sale
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Davidson Defense AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3 Flat Trigger, SBA5 Pistol Stabilizing Brace
Davidson Defense AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3 Flat Trigger, SBA5 Pistol Stabilizing Brace
$1,009.99 $759.99 Sale
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Davidson Defense AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3 Flat Trigger, SBA3 Black Adjustable Pistol Stabilizing Brace
Davidson Defense AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3 Flat Trigger, SBA3 Black Adjustable Pistol Stabilizing Brace
$1,009.99 $759.99 Sale
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Davidson Defense AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3 Flat Trigger, Gauntlet Arms Polymer Stabilizing Brace
Davidson Defense AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3 Flat Trigger, Gauntlet Arms Polymer Stabilizing Brace
$919.99 $694.99 Sale
In Stock
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Davidson Defense AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3, SBA5 Pistol Stabilizing Brace
Davidson Defense AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3, SBA5 Pistol Stabilizing Brace
$1,009.99 $759.99 Sale
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Wolfpack Armory AR-45 Pistol Lower Build Kit, Magpul BTR Pistol Brace
Wolfpack Armory AR-45 Pistol Lower Build Kit, Magpul BTR Pistol Brace
$294.99 $224.99 Sale
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Davidson Defense Wolfpack Armory AR-45 Pistol Lower Build Kit, SBA5 Pistol Stabilizing Brace Black
Davidson Defense Wolfpack Armory AR-45 Pistol Lower Build Kit, SBA5 Pistol Stabilizing Brace Black
$329.99 $249.99 Sale
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Wolfpack Armory AR-45 Pistol Lower Build Kit, SBA3 Pistol Stabilizing Brace Black
Wolfpack Armory AR-45 Pistol Lower Build Kit, SBA3 Pistol Stabilizing Brace Black
$329.99 $249.99 Sale
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Wolfpack Armory AR-45 Pistol Lower Build Kit, SBA4 Pistol Stabilizing Brace Black
Wolfpack Armory AR-45 Pistol Lower Build Kit, SBA4 Pistol Stabilizing Brace Black
$334.99 $249.99 Sale
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Davidson Defense No-Logo AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3 Flat Trigger, Heavy Duty Pistol Buffer Tube
Davidson Defense No-Logo AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3 Flat Trigger, Heavy Duty Pistol Buffer Tube
$869.99 $654.99 Sale
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Davidson Defense No-Logo AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3 Flat Trigger, KAK Blade Pistol Arm Stabilizer Brace
Davidson Defense No-Logo AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3 Flat Trigger, KAK Blade Pistol Arm Stabilizer Brace
$904.99 $684.99 Sale
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Davidson Defense No-Logo AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3 Flat Trigger, SBM4 Pistol Stabilizing Brace
Davidson Defense No-Logo AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3 Flat Trigger, SBM4 Pistol Stabilizing Brace
$914.99 $689.99 Sale
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Davidson Defense No-Logo AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3 Flat Trigger, SBA3 Adjustable Pistol Stabilizing Brace
Davidson Defense No-Logo AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3 Flat Trigger, SBA3 Adjustable Pistol Stabilizing Brace
$974.99 $734.99 Sale
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Davidson Defense No-Logo AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3 Flat Trigger, SBA5 Pistol Stabilizing Brace
Davidson Defense No-Logo AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3 Flat Trigger, SBA5 Pistol Stabilizing Brace
$974.99 $734.99 Sale
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Davidson Defense No-Logo AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3 Flat Trigger, Magpul BTR Pistol Brace
Davidson Defense No-Logo AR-15 Ambidextrous Bolt Catch Lower Build Kit, Rare Breed FRT-15L3 Flat Trigger, Magpul BTR Pistol Brace
$939.99 $709.99 Sale
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Important FFL Requirements: These items are FFL restricted shipping products. You must arrange shipment of these products to a qualified FFL dealer.

If you would like to have your order process faster, please see our HOW TO: Purchasing Serialized Parts.


If In California, or are unsure if we can ship to you, please view our Warranty, Returns, Terms and Conditions to see restrictions.

All serialized parts/firearms are drop shipped and sold by Davidson Defense Inc. (a licensed FFL) 333 N State Street Orem, UT.  MMC Armory is NOT a licensed FFL and is only marketing serialized parts and firearms on behalf of Davidson Defense Inc.  Please direct all questions and inquiries to [email protected].

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