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JMAC GBC-13 ADJUSTABLE GAS BLOCK WITHOUT DETENT HOLE

JMAC GBC-13 ADJUSTABLE GAS BLOCK WITHOUT DETENT HOLE
JMAC GBC-13 ADJUSTABLE GAS BLOCK WITHOUT DETENT HOLE
JMAC GBC-13 ADJUSTABLE GAS BLOCK WITHOUT DETENT HOLE
JMAC GBC-13 ADJUSTABLE GAS BLOCK WITHOUT DETENT HOLE
JMAC GBC-13 ADJUSTABLE GAS BLOCK WITHOUT DETENT HOLE
JMAC GBC-13 ADJUSTABLE GAS BLOCK WITHOUT DETENT HOLE
JMAC GBC-13 ADJUSTABLE GAS BLOCK WITHOUT DETENT HOLE
JMAC GBC-13 ADJUSTABLE GAS BLOCK WITHOUT DETENT HOLE
JMAC GBC-13 ADJUSTABLE GAS BLOCK WITHOUT DETENT HOLE
JMAC GBC-13 ADJUSTABLE GAS BLOCK WITHOUT DETENT HOLE
JMAC GBC-13 ADJUSTABLE GAS BLOCK WITHOUT DETENT HOLE
JMAC GBC-13 ADJUSTABLE GAS BLOCK WITHOUT DETENT HOLE
JMAC GBC-13 ADJUSTABLE GAS BLOCK WITHOUT DETENT HOLE
JMAC GBC-13 ADJUSTABLE GAS BLOCK WITHOUT DETENT HOLE
JMAC GBC-13 ADJUSTABLE GAS BLOCK WITHOUT DETENT HOLE
JMAC GBC-13 ADJUSTABLE GAS BLOCK WITHOUT DETENT HOLE
JMAC GBC-13 ADJUSTABLE GAS BLOCK WITHOUT DETENT HOLE
JMAC GBC-13 ADJUSTABLE GAS BLOCK WITHOUT DETENT HOLE
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SKU: JMAC-GBC13-WO-ADJ
JMAC GBC-13 ADJUSTABLE GAS BLOCK WITHOUT DETENT HOLE
List Price: $129.95
Price: $116.95
You Save: $13.00 (10%)

Product Details
JMAC Customs adjustable gas block without detent hole: GBC-13-WO-ADJ

(G)as
(B)lock
(C)ombo
(13) Collab with Sabrewerks13
(WO) Without detent hole
(ADJ) Adjustable

The GBC-13 is a copy of the East German 74nk Front Sight Gas Block Combo

  • Perfect for Pistol, SBR, and Rifle builds to lighten up the front end and give it a custom look
  • Fits common 0.591" gas block barrel journals
  • Has 90* gas port and is a direct replacement for most 90* gas blocks, will work on 45* gas ports with minor gun-smithing
  • Uses standard front sight windage drum and pin (available for purchase here - Windage Drum Front Sight Post
  • Has built in cleaning rod holder
  • Weight 3.56 Ounces
  • Cast in the US using Wax Casting techniques similar to the modern Russian barrel components
  • Machined in the US
  • 4140 Heat Treated to Rockwell 32C
  • Black Nitrided in the US

These come stripped, as pictured, they do not include the windage drum, front sight post or barrel component pins.
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About Us

RTG Parts LLC has been family owned and operated since its inception in 1999. RTG Parts was established to provide increased customer access to top quality military surplus parts, magazines and accessories. We are proud to offer an extensive inventory of rare and unusual items as well as select new production U.S. made parts. RTG Parts is committed to keeping prices low while maintaining a high level of customer service. We believe we offer the best combination of value and quality found anywhere in the firearms community.

Contact Us

307.675.1191 931 Frank St.
Sheridan, WY  82801