Receiver Parts Archives - Operation Parts, Inc. https://operationparts.com/product-category/rifle/ar10-sr25-lower-receiver/lower-receiver-parts-ar10/receiver-parts-4/ Wed, 01 Jul 2026 21:23:30 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 https://operationparts.com/wp-content/uploads/2025/05/cropped-sqlogo-32x32.jpg Receiver Parts Archives - Operation Parts, Inc. https://operationparts.com/product-category/rifle/ar10-sr25-lower-receiver/lower-receiver-parts-ar10/receiver-parts-4/ 32 32 Forward Controls Design Augmented Bolt Catch/Release, 7.62mm https://operationparts.com/product/forward-controls-design-augmented-bolt-catch-release-7-62mm/ https://operationparts.com/product/forward-controls-design-augmented-bolt-catch-release-7-62mm/#respond Tue, 11 Apr 2023 21:53:51 +0000 https://operationparts.com/?post_type=product&p=122893 Forward Controls Design Augmented Bolt Catch/Release, 7.62mm (ABC/R 7.62) 7.62mm ABC/R v3 is incompatible with 5.56mm spec AR lower receivers. ABC/R has finally made its way to 7.62mm, LR308 pattern ARs.  ABC/R v3 has incorporated refinements and lessons learned since the ABC/R (v1, 5.56mm) was introduced in early 2015 and v2 (2017 to 2020). ABC/R […]

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]]> https://operationparts.com/product/forward-controls-design-augmented-bolt-catch-release-7-62mm/feed/ 0 Forward Controls Design Enhanced Mag Release Button, Blind Hole, QPQ coated https://operationparts.com/product/forward-controls-design-enhanced-mag-release-button-blind-hole-qpq-coated/ https://operationparts.com/product/forward-controls-design-enhanced-mag-release-button-blind-hole-qpq-coated/#respond Thu, 22 Dec 2022 19:12:29 +0000 https://operationparts.com/?post_type=product&p=122286 Forward Controls Design Enhanced Mag Release Button, Blind Hole, QPQ coated (EMR-HC/EMR-HC AA) The Enhanced Magazine Release-Continuous Serrations features a slightly curved button surface to fit the natural curvature of your finger. The form fitting curve, along with horizontal serrations, create a self centering surface that inhibits the finger’s vertical movements. The EMR-C has an uninterrupted surface […]

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]]> https://operationparts.com/product/forward-controls-design-enhanced-mag-release-button-blind-hole-qpq-coated/feed/ 0 KAC-Knight’s Armament “Left” Disconnector Spring For Match 2-Stage Trigger https://operationparts.com/product/kac-knight-s-armament-left-disconnector-spring-for-match-2-stage-trigger/ https://operationparts.com/product/kac-knight-s-armament-left-disconnector-spring-for-match-2-stage-trigger/#respond Mon, 23 May 2022 06:28:22 +0000 https://operationparts.com/?post_type=product&p=121464 KAC-Knight’s Armament “Left” Disconnector Spring For Match 2-Stage Trigger (94031) Replacement “Left” disconnector spring for KAC-Knight’s Armament Match adjustable two stage trigger group. Note: Does not work with the non-adjustable triggers shipping in their guns now.  This is the standard weight spring, same one that the triggers originally ship with. Sold individually.

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]]> https://operationparts.com/product/kac-knight-s-armament-left-disconnector-spring-for-match-2-stage-trigger/feed/ 0 KAC-Knight’s Armament 4.5 Lb Disconnector Spring For Match 2-Stage Trigger https://operationparts.com/product/kac-knight-s-armament-4-5-lb-disconnector-spring-for-match-2-stage-trigger/ https://operationparts.com/product/kac-knight-s-armament-4-5-lb-disconnector-spring-for-match-2-stage-trigger/#respond Mon, 23 May 2022 05:55:37 +0000 https://operationparts.com/?post_type=product&p=121462 KAC-Knight’s Armament 4.5 Lb Disconnector Spring For Match 2-Stage Trigger (94216) Replacement 4.5# disconnector spring for KAC-Knight’s Armament Match adjustable two stage trigger group. Note: Does not work with the non-adjustable triggers shipping in their guns now.  This is the standard weight spring, same one that the triggers originally ship with. Sold individually.

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]]> https://operationparts.com/product/kac-knight-s-armament-4-5-lb-disconnector-spring-for-match-2-stage-trigger/feed/ 0 Magpul MOE Enhanced Polymer Trigger Guard https://operationparts.com/product/magpul-moe-enhanced-polymer-trigger-guard/ https://operationparts.com/product/magpul-moe-enhanced-polymer-trigger-guard/#respond Sun, 27 Mar 2022 07:44:59 +0000 https://operationparts.com/?post_type=product&p=121414 Magpul MOE Enhanced Polymer Trigger Guard (MAG1186) The MOE (Magpul Original Equipment) Enhanced Trigger Guard is a polymer drop-in replacement for the AR15 / M4 weapons platform. This upgraded trigger guard is easily installed without the use of specialized tools, using three set screws to secure it to the lower receiver. This eliminates the need […]

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]]> https://operationparts.com/product/magpul-moe-enhanced-polymer-trigger-guard/feed/ 0 KAC-Knight’s Armament Receiver Extension/Sling Mount Castle Nut https://operationparts.com/product/kac-knight-s-armament-receiver-extension-sling-mount-castle-nut/ https://operationparts.com/product/kac-knight-s-armament-receiver-extension-sling-mount-castle-nut/#respond Fri, 29 Oct 2021 04:16:50 +0000 https://operationparts.com/?post_type=product&p=121393 KAC-Knight’s Armament Receiver Extension/Sling Mount Castle Nut (21496-1) Replacement buffer tube/sling mount castle nut for the Knight’s Armament Sling mounts, part numbers 22051-1 and 24103-1 Current version for 2021, uses a standard armorer wrench for install  

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]]> https://operationparts.com/product/kac-knight-s-armament-receiver-extension-sling-mount-castle-nut/feed/ 0 Radian Weapons Mag Release Button https://operationparts.com/product/radian-weapons-mag-release-button/ https://operationparts.com/product/radian-weapons-mag-release-button/#respond Tue, 13 Oct 2020 01:49:53 +0000 https://operationparts.com/?post_type=product&p=121073 ***Discontinued***

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]]> https://operationparts.com/product/radian-weapons-mag-release-button/feed/ 0 KAC-Knight’s Armament SR-25 Buffer Tube, Long Carbine https://operationparts.com/product/kac-knight-s-armament-sr-25-buffer-tube-long-carbine/ https://operationparts.com/product/kac-knight-s-armament-sr-25-buffer-tube-long-carbine/#respond Sat, 11 Jan 2020 02:44:09 +0000 https://operationparts.com/?post_type=product&p=121012 KAC-Knight’s Armament SR-25 Buffer Tube, Long Carbine (25758) Long carbine buffer tube (receiver extension) from Knight’s Armament, longer than a standard AR-15 carbine buffer tube.  Works with mil-spec dimensioned collapsible buttstocks. 10 position Total length including threads: 8.0 inches

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]]> https://operationparts.com/product/kac-knight-s-armament-sr-25-buffer-tube-long-carbine/feed/ 0 Magpul Enhanced AR Magazine Release, Aluminum https://operationparts.com/product/magpul-enhanced-ar-magazine-release-aluminum/ https://operationparts.com/product/magpul-enhanced-ar-magazine-release-aluminum/#respond Mon, 23 Dec 2019 00:36:25 +0000 https://operationparts.com/?post_type=product&p=120939 Magpul Enhanced AR Magazine Release, Aluminum (MAG568-BLK) The Magpul AR Enhanced Magazine Release provides an enlarged contact surface for quick and fumble free magazine changes. With easy bolt-on installation with no gunsmithing required, the Enhanced AR Magazine Release is made of Mil-Spec hard anodized aluminum to provide durability and light weight.  FEATURES: Machined from mil-spec […]

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]]> https://operationparts.com/product/magpul-enhanced-ar-magazine-release-aluminum/feed/ 0 LMT-Lewi Machine & Tool SR-15/SR-25 Ambi Mag Paddle https://operationparts.com/product/lmt-lewi-machine-tool-sr-15-sr-25-ambi-mag-paddle/ https://operationparts.com/product/lmt-lewi-machine-tool-sr-15-sr-25-ambi-mag-paddle/#respond Sat, 17 Nov 2018 01:19:33 +0000 https://operationparts.com/?post_type=product&p=120483 Knight’s Armament SR-15/SR-25/LMT Ambi Mag Paddle Fits Knight’s Armament SR-15/SR-25 with ambi mag release and also LMT ambi lowers.  Made by LMT.

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