OSA Milspec Melonite Gas Tubes OSA Milspec Melonite Gas Tubes Our OSA Melonite Gas Tubes have an extremely durable Black Nitride finish that increases corrosion resistance, wear resistance, fatigue strength and cosmetic appeal. These gas tubes work great under a handguard because they... MSRP: Was: Now: $15.00 Choose Options
OSA15 Forged Upper Receiver OSA15 Forged Upper Receiver Our receivers are excess military-contract capacity that we bring directly to you. As M4A4 configuration with "M4" marks above the gas hole, these are the finest upper receivers on the market, period Features Machined from... MSRP: Was: Now: $89.95 Add to Cart
OSA AR-15 Forged Charging Handle OSA AR-15 Forged Charging Handle Our charging handles are forged, precision machined, and then hard anodized and assembled to completion. Features Forged from 6061-T6 material Machined to military specifications Type 3 Hard Coat Anodized As a small... MSRP: Was: Now: $24.95 Add to Cart
OSA .750" Low Profile Gas Block OSA .750" Low Profile Gas Block Our gas blocks are precision machined from billet, heat treated, and nitride treated to provide long-lasting performance and corrosion protection. Features Nitride finish Fits any .750" diameter barrel Dual steel set... MSRP: Was: Now: $29.99 Add to Cart
OSA "Stress Free" Upper Receiver Parts Kit OSA "Stress Free" Upper Receiver Parts Kit Save your Saturdays for building ARs and not running to the gun store when your c-clip goes flying across your garage! Our "Stress Free" URPK drops the traditional c-clip in favor of an expanded knurled ejection... MSRP: Was: Now: $24.99 Add to Cart
OSA A2 Flash Hider Mil-Spec A2 pattern Flash Hider Features M16A2 pattern 4140 Gun Quality Steel Phosphate Coated 1/2x28 threads Made in the USA As a small business committed to maintaining operational efficiency and cost-effectiveness, we prioritize keeping our... MSRP: Was: Now: $11.95 Add to Cart
