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Browse Sig Sauer Build Kits for sale at the lowest prices online.

Handguard & Rails

Handguards & Rails

Forend & Handguard Parts

Optics & Mounting

Rings, Mounts & Bases

Sig Sauer M-LOK 15" M400 Tread Free Float Handguard, Black - HGRDTRDE15MLOKBLK - Sig Sauer

Sig Sauer M-LOK 15" M400 Tread Free Float Handguard, Black - HGRDTRDE15MLOKBLK

$149.99 $112.02

Sig Sauer M-LOK M400 Tread Aluminum Replacement Sight Rail, Black - KITTRDSIGHTRAIL - Sig Sauer

Sig Sauer M-LOK M400 Tread Aluminum Replacement Sight Rail, Black - KITTRDSIGHTRAIL

Sig Sauer M-LOK 13" M400 Tread Free Float Handguard, Black - HGRDTRDE13MLOKBLK - Sig Sauer

Sig Sauer M-LOK 13" M400 Tread Free Float Handguard, Black - HGRDTRDE13MLOKBLK

Sig Sauer Enhanced M-LOK Handguard 10" for Sig M400 Tread AR-15, Black - HGRD-TRD-E10-MLOK-BLK - Sig Sauer

Sig Sauer Enhanced M-LOK Handguard 10" for Sig M400 Tread AR-15, Black - HGRD-TRD-E10-MLOK-BLK

$153.30 $135.99

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