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Shop 51 Deals on .223 Remington Build Kits

Browse .223 Remington Build Kits for sale at the lowest prices online.

Handguards & Rails

Handguard & Rails

Forend & Handguard Parts

Optics & Mounting

Midwest Industries

Troy Industries

Foxtrot Mike Products

Geissele 15" Super Modular Rail MK14 M-LOK, Black - 05-575B - Geissele

Geissele 15" Super Modular Rail MK14 M-LOK, Black - 05-575B

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Geissele 9.5" Super Modular Rail MK14 M-LOK, Black - 05-578B - Geissele

Geissele 9.5" Super Modular Rail MK14 M-LOK, Black - 05-578B

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Geissele 13.5" Super Modular Rail MK14 M-LOK, DDC - 05-573S - Geissele

Geissele 13.5" Super Modular Rail MK14 M-LOK, DDC - 05-573S

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Midwest Industries Gen2 Two Piece Free Float Handguard, Mid-Length, Black MCTAR-21G2 - Midwest Industries

Midwest Industries Gen2 Two Piece Free Float Handguard, Mid-Length, Black MCTAR-21G2

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Midwest Industries

Geissele 9.5" Super Modular Rail MK14 M-LOK, DDC - 05-578S - Geissele

Geissele 9.5" Super Modular Rail MK14 M-LOK, DDC - 05-578S

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Midwest Industries 12.625"Slim Line Free Float M-LOK Handguard, Black - MI-SLH12.625 - Midwest Industries

Midwest Industries 12.625"Slim Line Free Float M-LOK Handguard, Black - MI-SLH12.625

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Midwest Industries

Yankee Hill Machine Co. Black Diamond Series Forearm- Mid-Length Length-9.675"-YHM-9633-DX - Yhm

Yankee Hill Machine Co. Black Diamond Series Forearm- Mid-Length Length-9.675"-YHM-9633-DX

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Magpul MOE M-LOK AR15/M4 Hand Guard, Gray (Carbine Length)- Mag424-GRY - Magpul

Magpul MOE M-LOK AR15/M4 Hand Guard, Gray (Carbine Length)- Mag424-GRY

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Odin Works 12.5" O2 Lite M-Lok Free Float Forend F-12-ML-O2 - Odin Works

Odin Works 12.5" O2 Lite M-Lok Free Float Forend F-12-ML-O2

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Magpul MOE SL Hand Guard MidLength AR15/M4 FDE MAG551FDE - Magpul

Magpul MOE SL Hand Guard MidLength AR15/M4 FDE MAG551FDE

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Troy Carbine/M4 Enhanced 7" Drop-In BattleRail, BLK - SRAI-DID-D7BT-00 - Troy Industries

Troy Carbine/M4 Enhanced 7" Drop-In BattleRail, BLK - SRAI-DID-D7BT-00

$210.00 $113.26

Troy Industries

Geissele 13.5" MK4 M-Lok Super Modular Rail, Black 05-278B - Geissele

Geissele 13.5" MK4 M-Lok Super Modular Rail, Black 05-278B

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Geissele 13.5" Super Modular Rail MK14 M-LOK, Black - 05-573B - Geissele

Geissele 13.5" Super Modular Rail MK14 M-LOK, Black - 05-573B

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

MOE SL Hand Guard, Carbine-Length - AR15/M4-GRY - Magpul

MOE SL Hand Guard, Carbine-Length - AR15/M4-GRY

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Geissele 15" Super Modular Rail MK14 M-LOK, DDC - 05-575S - Geissele

Geissele 15" Super Modular Rail MK14 M-LOK, DDC - 05-575S

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Yankee Hill Machine Rifle Length Diamond Forearm YHM-9635-DX - Yhm

Yankee Hill Machine Rifle Length Diamond Forearm YHM-9635-DX

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Angstadt Arms Ultra Light Handguard 10" - Black for All AR Calibers Except .308 Cal - AA010HGMLT - Angstadt Arms

Angstadt Arms Ultra Light Handguard 10" - Black for All AR Calibers Except .308 Cal - AA010HGMLT

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Daniel Defense DDM4 Rail, Rifle Length (15") - 01-134-09186 - Daniel Defense

Daniel Defense DDM4 Rail, Rifle Length (15") - 01-134-09186

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Magpul MOE M-LOK AR15/M4 Hand Guard, Gray (Rifle Length)- Mag427-GRY - Magpul

Magpul MOE M-LOK AR15/M4 Hand Guard, Gray (Rifle Length)- Mag427-GRY

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Geissele 15" Super Modular Rail MK8 M-LOK, DDC 05-286S - Geissele

Geissele 15" Super Modular Rail MK8 M-LOK, DDC 05-286S

$381.16 $273.00

Midwest Industries Mid Length AR-15/M16 M-Series Two Piece Drop-In M-LOK Handguard - MI-18M - Midwest Industries

Midwest Industries Mid Length AR-15/M16 M-Series Two Piece Drop-In M-LOK Handguard - MI-18M

$157.95 $127.06

Midwest Industries

Midwest Industries M-Series Rifle Length Two Piece Drop-In M-LOK Handguard - MI-19M - Midwest Industries

Midwest Industries M-Series Rifle Length Two Piece Drop-In M-LOK Handguard - MI-19M

$167.95 $142.60

Midwest Industries

Luth-AR Mid-Length A2 2-Piece Drop-In Handguard 9", Black - Luth-Ar

Luth-AR Mid-Length A2 2-Piece Drop-In Handguard 9", Black

Troy Alpha BattleRail No Sight 13", Black - STRX-AL1-13BT-01 - Troy Industries

Troy Alpha BattleRail No Sight 13", Black - STRX-AL1-13BT-01

$269.99 $183.99

Troy Industries

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