Gas Blocks, Muzzle Devices, Barrels Archives - Operation Parts, Inc. https://operationparts.com/product-category/rifle/ar10-sr25-upper-receiver/gas-blocks-muzzle-devices-barrels-ar10/ Thu, 09 Apr 2026 16:45:16 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://operationparts.com/wp-content/uploads/2025/05/cropped-sqlogo-32x32.jpg Gas Blocks, Muzzle Devices, Barrels Archives - Operation Parts, Inc. https://operationparts.com/product-category/rifle/ar10-sr25-upper-receiver/gas-blocks-muzzle-devices-barrels-ar10/ 32 32 KAC-Knight’s Armament QDC Open Port Brake – 7.62 5/8×24 https://operationparts.com/product/kac-knight-s-armament-qdc-open-brake-762-58x24/ https://operationparts.com/product/kac-knight-s-armament-qdc-open-brake-762-58x24/#respond Tue, 22 Jul 2025 14:27:45 +0000 https://operationparts.com/?post_type=product&p=175041 KAC-Knight’s Armament QDC Open Port Brake – 7.62 5/8×24 (118899) Designed to be the primary mounting host for KAC 7.62mm QDC suppressors, the 7.62mm QDC Open Brake also reduces wear to the first baffle, extending service life. Specifications: Weight: 3.3oz (94g) Length: 2.31″ (5.87mm) Addition to bare muzzle: 1.69″ (4.3cm) minimum Thread Size: 3/4-24

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]]> https://operationparts.com/product/kac-knight-s-armament-qdc-open-brake-762-58x24/feed/ 0 HTX Concepts M110 Gas Block, .750 https://operationparts.com/product/htx-concepts-m110-gas-block-750/ https://operationparts.com/product/htx-concepts-m110-gas-block-750/#respond Mon, 13 May 2024 20:38:58 +0000 https://operationparts.com/?post_type=product&p=123278 HTX Concepts LM110 Gas Block, .750 (HTX-M110GB) 0.750″ diameter Melonite/QPQ Finish Compatible with KAC SR25/M110 pattern barrels only as the gas port location is different than standard .308 barrels Professional installation recommended (drilling required) Gas block taper pins included are raw stainless steel, coated KAC pins are linked below Top roll pin is included but […]

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]]> https://operationparts.com/product/htx-concepts-m110-gas-block-750/feed/ 0 HTX Concepts Low Profile Gas Block, .750 https://operationparts.com/product/htx-concepts-low-profile-gas-block-750/ https://operationparts.com/product/htx-concepts-low-profile-gas-block-750/#respond Tue, 26 Mar 2024 20:16:48 +0000 https://operationparts.com/?post_type=product&p=123179 HTX Concepts Low Profile Gas Block, .750 (HTX-LOWPROGB) • .750 diameter • Melonite/QPQ Finish • Compatible with M110/Mk11/SR25 profiled barrels • Professional installation recommended (drilling required for taper pins unless the provided set screws are used for attachment). • Gas block taper pins, top roll pin and gas tube roll pin are now included • […]

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]]> https://operationparts.com/product/htx-concepts-low-profile-gas-block-750/feed/ 0 HTX Concepts MK11 20″ Barrel https://operationparts.com/product/htx-concepts-mk11-20-barrel/ https://operationparts.com/product/htx-concepts-mk11-20-barrel/#respond Mon, 25 Mar 2024 23:43:34 +0000 https://operationparts.com/?post_type=product&p=123165 HTX Concepts MK11 20″ Barrel (HTX-MK11-20) Rock Creek barrel blanks turned to match KAC profile.  Uses standard AR10/SR25 bolt/carrier.  Gas port location works with KAC and HTX gas blocks.  Uses a rifle length gas tube. .308 WIN twist rate is 1-10, gas port .094″ 6.5 CM twist rate is 1-8, gas port .080″ Barrel thread: […]

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]]> https://operationparts.com/product/htx-concepts-mk11-20-barrel/feed/ 0 HTX Concepts 14.5″ Barrel https://operationparts.com/product/htx-concepts-14-5-barrel/ https://operationparts.com/product/htx-concepts-14-5-barrel/#respond Mon, 25 Mar 2024 23:37:49 +0000 https://operationparts.com/?post_type=product&p=123151 HTX Concepts 14.5″ .308 (7.62) Barrel (HTX-145) Rock Creek barrel blanks turned to match KAC profile.  Uses standard AR10/SR25 bolt/carrier.  Uses an intermediate length gas tube (13.25″ long). .308 WIN twist rate is 1-10, Gas Port .092″, uses KAC/HTX gas block. 6.5 CM twist rate is 1-8, Gas Port .096″ (location 0.295″ from shoulder which […]

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]]> https://operationparts.com/product/htx-concepts-14-5-barrel/feed/ 0 HTX Concepts ECC 16″ Barrel https://operationparts.com/product/htx-concepts-ecc-16-barrel/ https://operationparts.com/product/htx-concepts-ecc-16-barrel/#respond Mon, 25 Mar 2024 23:06:53 +0000 https://operationparts.com/?post_type=product&p=123136 HTX Concepts ECC 16″ Barrel (HTX-ECC-16) Rock Creek barrel blanks turned to match KAC profile.  Uses standard AR10/SR25 bolt/carrier.  Gas port location works with KAC and HTX gas blocks.  Uses a rifle length gas tube. .308 WIN twist rate is 1-10, gas port .096″ 6.5 CM twist rate is 1-8, gas port .094″ Barrel thread […]

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]]> https://operationparts.com/product/htx-concepts-ecc-16-barrel/feed/ 0 HTX Concepts M110 20″ Barrel https://operationparts.com/product/htx-concepts-m110-20-barrel/ https://operationparts.com/product/htx-concepts-m110-20-barrel/#respond Mon, 25 Mar 2024 19:36:24 +0000 https://operationparts.com/?post_type=product&p=123121 HTX Concepts M110 20″ Barrel (HTX-M110-20) Rock Creek barrel blanks turned to match KAC profile.  Uses standard AR10/SR25 bolt/carrier.  Gas port location works with KAC and HTX gas blocks.  Uses a rifle length gas tube. .308 WIN twist rate is 1-10, gas port .094″ 6.5 CM twist rate is 1-8, gas port .080″ Barrel thread […]

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]]> https://operationparts.com/product/htx-concepts-m110-20-barrel/feed/ 0 KAC-Knight’s Armament 7.62 QDC OPEN BRAKE KIT, 3/4″-24 TPI https://operationparts.com/product/kac-knight-s-armament-7-62-qdc-open-brake-kit-3-4-24-tpi/ https://operationparts.com/product/kac-knight-s-armament-7-62-qdc-open-brake-kit-3-4-24-tpi/#respond Thu, 15 Sep 2022 00:58:14 +0000 https://operationparts.com/?post_type=product&p=121499 KAC-Knight’s Armament 7.62 QDC OPEN BRAKE KIT, 3/4″-24 TPI (115992) The 7.62 QDC OPEN BRAKE KIT, 3/4″-24 TPI, developed for 7.62/6.5 platforms. It accepts KAC’s QDC line of sound suppressors, includes 7 piece shim set and Rocksett Dose 3/4″-24 thread Compatible with Knight’s Armament SR25, does not fit most .308 rifles which use 5/8″-24 thread. […]

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]]> https://operationparts.com/product/kac-knight-s-armament-7-62-qdc-open-brake-kit-3-4-24-tpi/feed/ 0 KAC-Knight’s Armament Mod 2 Gas Block Washer, SR-25 https://operationparts.com/product/kac-knight-s-armament-mod-2-gas-block-washer-sr-25/ https://operationparts.com/product/kac-knight-s-armament-mod-2-gas-block-washer-sr-25/#respond Thu, 28 Apr 2022 04:54:29 +0000 https://operationparts.com/?post_type=product&p=121431 KAC-Knight’s Armament Mod 2 Gas Block Washer, SR-25 (30675) Replacement gas block washer for the Knight’s Armament SR-25 Mod 2 rifle Note: Only works with the Knight’s Armament Mod 2 gas block, sold here

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]]> https://operationparts.com/product/kac-knight-s-armament-mod-2-gas-block-washer-sr-25/feed/ 0 KAC-Knight’s Armament Mod 2 Gas Block, SR-25 https://operationparts.com/product/kac-knight-s-armament-mod-2-gas-block-sr-25/ https://operationparts.com/product/kac-knight-s-armament-mod-2-gas-block-sr-25/#respond Thu, 28 Apr 2022 04:49:52 +0000 https://operationparts.com/?post_type=product&p=121428 KAC-Knight’s Armament Mod 2 Gas Block, SR-25 (30583)

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