JMac Customs | Gas Block Combo w/ Detent Hole GBC-13-W

JMac Customs: GBC-13-W – Jmac Customs Gas Block Combo With Detent Hole featuring jmac precise fit. Supreme GBC-13-W – Jmac customs premium reliable low profile gas block combo set screw detent pin hole .750 .936 diameter steel black nitride finish ar15 m4 carbine barrel clamp optional roll pin secure mounting rail height suppressor optimized adjustable gas reliable function budget quality.

JMac Gas Blocks field tested trusted versatile premium reliable supreme GBC-13-W.

Key Features of GBC-13-W Premium

• GMAC GAS BLOCK COMBO DETENT GBC-13-W Field Tested Versatile Jmac Reliable Premium Supreme ARProLegendary: Supreme jmac gbc-13-w premium.
• Trusted JMac Favorite: Detent hole pro.
• Performance Elite: Low profile pro.
• JMac Supreme: Nitride durable pro.
• Combo Supreme: Gbc-13-w pro.

Benefits of Gas Block Combo

Block perfect tuning'd.

Perfect For

• GBC-13-W
• AR15 Builds
• Suppressor Hosts
• Gas Tuning
• Custom Barrels

Why Choose GBC-13-W?

Supreme jmac customs gas block combo detent.

Product Specifications

• Brand: JMac Customs
• Model: GBC-13-W
• Type: Low Profile Gas Block Combo
• Features: Detent Hole, Set Screw
• Finish: Black Nitride

Block excellence with JMac Customs – the supreme reliable legendary Gas Combo. Order your GBC-13-W today!

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