Home / Products / AR15 Discounts / Arsenal Inc. Pin retainer for barrel for stamped receivers OD 7mm length 27mm Arsenal Bulgaria
Arsenal Inc. Pin retainer for barrel for stamped receivers OD 7mm length 27mm Arsenal Bulgaria
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$3.69
MSRP
$3.69
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Updated
Aug 26, 2026
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Specifications
Brand
MPN
AK-020
Description
Ensure reliable barrel retention in your stamped-receiver AK platform with the genuine Arsenal Inc. barrel pin retainer. Precision-engineered in Bulgaria, this essential component delivers the exact fit and durability required for secure barrel installation and long-term performance.Key Features Precise dimensions: Outer diameter of 7 mm and overall length of 27 mm for perfect compatibility with stamped receivers Authentic Bulgarian manufacture: Produced by Arsenal to original military specifications for consistent quality Robust construction: Designed to withstand the stresses of repeated firing and field use Direct replacement: Ideal for AK builds, repairs, and maintenance on stamped-receiver modelsTechnical Specifications Outer Diameter (OD): 7 mm Length: 27 mm (1.063 in) Weight: 0.1 oz Material: High-strength steel per Arsenal Bulgaria standards Application: Barrel retainer pin for stamped AK receiversWhy Choose This ProductA properly fitted barrel pin is critical to maintaining barrel alignment, accuracy, and safe operation. Using a correctly sized, factory-spec retainer eliminates guesswork and helps prevent issues caused by worn or incorrect pins. This Arsenal part offers the assurance of OEM compatibility without compromise.Common Applications AK-47 / AKM stamped-receiver builds Restoration or repair of Bulgarian-pattern rifles Custom firearm projects requiring exact barrel pinningFrequently Asked QuestionsIs this pin compatible with milled receivers?No. This retainer is specifically designed for stamped receivers. Milled receivers require a longer pin (typically 34 mm).What tools are needed for installation?Standard pin punches and a bench block are typically sufficient. Professional gunsmithing is recommended for barrel installation to ensure proper headspace and alignment.Does this pin include any springs or additional hardware?No. This is the barrel retainer pin only. Related components such as retainer springs are sold separately.
