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Browse .300 AAC Blackout Build Kits for sale at the lowest prices online.

Handguards & Rails

Handguard & Rails

Forend & Handguard Parts

Optics & Mounting

Midwest Industries

Troy Industries

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" MK4 M-Lok Super Modular Rail, DDC 05-283S - Geissele

Geissele 9.5" MK4 M-Lok Super Modular Rail, DDC 05-283S

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

Odin Works 15.5" O2 Lite M-Lok Free Float Forend F-15-ML-O2 - Odin Works

Odin Works 15.5" O2 Lite M-Lok Free Float Forend F-15-ML-O2

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.

Geissele 9.5" Super Modular Rail MK8 M-LOK, Black - 05-248B - Geissele

Geissele 9.5" Super Modular Rail MK8 M-LOK, Black - 05-248B

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, 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.

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.

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.

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

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

$200.00 $152.70

Troy Industries

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