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AR15 Lowers

Build your AR from the ground up with quality AR-15 Lowers from Pathfinder Militaria. Whether you’re starting a new build or upgrading an existing platform, our selection includes stripped and complete lowers built to mil-spec standards. Match them with our AR-15 Uppers and other AR-15 Parts for a fully customized rifle. Based in Madison, WI, we’re proud to serve builders and shooters across the country with reliable gear and fast shipping. Shop lowers with confidence—your next AR starts here.

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$56.00 — $1400.00
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17 Design and Mfg. – Integrated Folding Lower Receiver AR-15 Stripped

$299.99
Purchase & earn 15 points!Add to cart

ANDERSON COMPLETE AR-15 LOWER – RECEIVER BLACK

$142.99
Purchase & earn 7 points!Add to cart

BCM LOWER GROUP AR-15 5.56MM – W/BCM MOD-2 SOPMOD BLACK

$535.00
Purchase & earn 27 points!Add to cart

BCM LOWER GROUP PISTOL AR-15 – 5.56MM W/PISTOL RECEIVER EXT.

$525.00
Purchase & earn 26 points!Add to cart

Lower Receiver Group w/ MK2 Receiver Extension & Stock Mod 0

$549.00
Purchase & earn 27 points!Add to cart

Lower Receiver Group w/ MK2 Receiver Extension & Stock Mod 0

$549.00
Purchase & earn 27 points!Add to cart

Lower Receiver Group w/ MK2 Receiver Extension & Stock Mod 0 SOPMOD

$549.00
Purchase & earn 27 points!Add to cart

Lower Receiver Group w/ MK2 Receiver Extension & Stock Mod 1 SOPMOD

$563.00
Purchase & earn 28 points!Add to cart

Lower Receiver Group w/ Stock Mod 0

$525.00
Purchase & earn 26 points!Add to cart

Lower Receiver Group w/ Stock Mod 0

$525.00
Purchase & earn 26 points!Add to cart

Lower Receiver Group w/ Stock Mod 0 SOPMOD

$525.00
Purchase & earn 26 points!Add to cart

Lower Receiver Mk4/AR15 Armor Black

$115.99
Purchase & earn 6 points!Add to cart

RADIAN AX556 AR-15 LOWER – RECEIVER BILLET BLACK

$514.95
Purchase & earn 26 points!Add to cart

RADIAN AX556 AR-15 LOWER – RECEIVER BILLET FDE

$514.95
Purchase & earn 26 points!Add to cart
Retro M16A1 Lower Receiver – Semi Auto Full Fence Gray by Pathfinder Militaria, 7075-T6 billet AR-15 lower for retro clone builds
Sale!

RETRO M16A1 HYDRAMATIC BILLET MACHINED AR15 LOWER SEMI AUTO FULL FENCE – GRAY FINISH

Original price was: $325.00.Current price is: $250.00.
Purchase & earn 13 points!Add to cart

S&W M&P15 STRIPPED LOWER – RECEIVER BLACK

$178.99
Purchase & earn 9 points!Add to cart

SHARPS BROS WARTHOG AR-15 – STRIPPED LOWER RECEIVER BILLET

$265.95
Purchase & earn 13 points!Add to cart

Shield Arms SA-15 Complete Folding Lower Receiver w/Rifle Stock – Black

$514.99
Purchase & earn 26 points!Add to cart
SOT Micro-Jig mounted on AR-15 lower jig showing dual-side drill bushings
Sale!

SOT Micro-Jigs – Dual-Side 3rd-Hole Jig for AR-15 Lower Receivers (FFL & SOT only)

Original price was: $100.00.Current price is: $56.00.
Purchase & earn 3 points!Add to cart

AERO PRECISION M4E1 STRIPPED – LOWER RECEIVER BLACK

$139.99
Purchase & earn 7 points!Add to cart

17 Design and Mfg. – Integrated Folding Lower Receiver AR-15 Stripped

$299.99

[product_attribute_value attribute="manufacturer"]
Purchase & earn 15 points!Add to cart
View Compare

ANDERSON COMPLETE AR-15 LOWER – RECEIVER BLACK

$142.99

[product_attribute_value attribute="manufacturer"]
Purchase & earn 7 points!Add to cart
View Compare

BCM LOWER GROUP AR-15 5.56MM – W/BCM MOD-2 SOPMOD BLACK

$535.00

[product_attribute_value attribute="manufacturer"]
Purchase & earn 27 points!Add to cart
View Compare

BCM LOWER GROUP PISTOL AR-15 – 5.56MM W/PISTOL RECEIVER EXT.

$525.00

[product_attribute_value attribute="manufacturer"]
Purchase & earn 26 points!Add to cart
View Compare

Lower Receiver Group w/ MK2 Receiver Extension & Stock Mod 0

$549.00

[product_attribute_value attribute="manufacturer"]
Purchase & earn 27 points!Add to cart
View Compare

Lower Receiver Group w/ MK2 Receiver Extension & Stock Mod 0

$549.00

[product_attribute_value attribute="manufacturer"]
Purchase & earn 27 points!Add to cart
View Compare

Lower Receiver Group w/ MK2 Receiver Extension & Stock Mod 0 SOPMOD

$549.00

[product_attribute_value attribute="manufacturer"]
Purchase & earn 27 points!Add to cart
View Compare

Lower Receiver Group w/ MK2 Receiver Extension & Stock Mod 1 SOPMOD

$563.00

[product_attribute_value attribute="manufacturer"]
Purchase & earn 28 points!Add to cart
View Compare

Lower Receiver Group w/ Stock Mod 0

$525.00

[product_attribute_value attribute="manufacturer"]
Purchase & earn 26 points!Add to cart
View Compare

Lower Receiver Group w/ Stock Mod 0

$525.00

[product_attribute_value attribute="manufacturer"]
Purchase & earn 26 points!Add to cart
View Compare

Lower Receiver Group w/ Stock Mod 0 SOPMOD

$525.00

[product_attribute_value attribute="manufacturer"]
Purchase & earn 26 points!Add to cart
View Compare

Lower Receiver Mk4/AR15 Armor Black

$115.99

[product_attribute_value attribute="manufacturer"]
Purchase & earn 6 points!Add to cart
View Compare

RADIAN AX556 AR-15 LOWER – RECEIVER BILLET BLACK

$514.95

[product_attribute_value attribute="manufacturer"]
Purchase & earn 26 points!Add to cart
View Compare

RADIAN AX556 AR-15 LOWER – RECEIVER BILLET FDE

$514.95

[product_attribute_value attribute="manufacturer"]
Purchase & earn 26 points!Add to cart
View Compare
Retro M16A1 Lower Receiver – Semi Auto Full Fence Gray by Pathfinder Militaria, 7075-T6 billet AR-15 lower for retro clone builds
, ,

RETRO M16A1 HYDRAMATIC BILLET MACHINED AR15 LOWER SEMI AUTO FULL FENCE – GRAY FINISH

Original price was: $325.00.Current price is: $250.00.

[product_attribute_value attribute="manufacturer"]
Purchase & earn 13 points!Add to cart
View Compare

S&W M&P15 STRIPPED LOWER – RECEIVER BLACK

$178.99

[product_attribute_value attribute="manufacturer"]
Purchase & earn 9 points!Add to cart
View Compare

SHARPS BROS WARTHOG AR-15 – STRIPPED LOWER RECEIVER BILLET

$265.95

[product_attribute_value attribute="manufacturer"]
Purchase & earn 13 points!Add to cart
View Compare

Shield Arms SA-15 Complete Folding Lower Receiver w/Rifle Stock – Black

$514.99

[product_attribute_value attribute="manufacturer"]
Purchase & earn 26 points!Add to cart
View Compare
SOT Micro-Jig mounted on AR-15 lower jig showing dual-side drill bushings
, , ,

SOT Micro-Jigs – Dual-Side 3rd-Hole Jig for AR-15 Lower Receivers (FFL & SOT only)

Original price was: $100.00.Current price is: $56.00.

[product_attribute_value attribute="manufacturer"]
Purchase & earn 3 points!Add to cart
View Compare

AERO PRECISION M4E1 STRIPPED – LOWER RECEIVER BLACK

$139.99

[product_attribute_value attribute="manufacturer"]
Purchase & earn 7 points!Add to cart
View Compare
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