Sale OSA Duty BCG (OSA D-BCG) OSA Duty BCG The heart of any AR15 will always be the Bolt Carrier Group. That is why it is important to use a quality BCG in your AR15 builds. The BCG is a critical component of the AR15 rifle. It consists of several parts that are responsible for the... MSRP: Was: $285.00 Now: $265.00 Add to Cart
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
OSA15 - Pistol Shrimp OSA15 - Pistol Shrimp The Pistol Shrimp is one of the most powerful predators in the ocean. The unique design of its large claw allows it to snap with such force that it "shoots" air bubbles that are so powerful that it instantly incapacitates... MSRP: Was: Now: $1,799.99 Add to Cart
Rosco Manufacturing 16" M4 5.56 NATO (Mid-Length) Barrel Rosco Manufacturing 16" M4 5.56 NATO (Mid-Length) Barrel This 16″ M4 5.56 NATO Mid-Length barrel was designed around the USASOC specs for an Improved Upper Receiver Group with a little bit of the OceanStateArmory touch as well. The longer gas... MSRP: Was: Now: $169.99 Add to Cart
OSA Complete LPK OSA Complete LPK The OSA Complete LPK from OceanStateArmory is our exclusive complete AR15 lower parts kit including our ELG trigger. The OSA LPK will complete any stripped AR15 lower receiver and matches perfectly with our OSA-15 Lower Receiver. Each... MSRP: Was: Now: $199.99 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
Sale OceanStateArmory OSA15 Lower Receiver - Anodized OceanStateArmory OSA15 Lower Receiver - Anodized OceanStateArmory OSA-15 Lower Receiver Made from forged 7075 T6 aircraft grade aluminum Precision machined to mil spec standards Serial Number Engraving done on CNC machine - not roll stamped Ambi Safety... MSRP: Was: $130.00 Now: $69.99
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