.22 LR CONVERSION KIT FOR THE AR-15 PLATFORM. Just swap this drop-in conversion with the bolt carrier group from your 5.56/.223 chambered rifle and you will be ready to shoot .22LR. Ships without a magazine. If you are purchasing this for use with the Echo Trigger, you will also need to purchase the Auto Sear Trip Kit. The Sear Trip …
Make your next build LITE by using a Fostech Ultra-Light Castle Nut. Fostech machined these AR15 Lower Parts from their proprietary lightweight material. Swapping in this Fostech 2505 Lightweight Castle Nut will reduce your build by 0.34oz compared to a standard castle nut. Save weight and keep the strength with the Fostech Ultra-Light Castle Nut.
Fostech Fighter Series Stripped LITE Lower Receiver w/ 13″ Mach-2 Rail
- Multicaliber ***Stripped – No LPK included***
- 13″ Mach-2 Tungsten Rail
- Magnesium / Aluminum Tactical Alloy Construction
- 1/3 the Weight of Aluminum Competitors
- 100% USA Made
- Limited Lifetime Warranty
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The Hammer Spring for the Echo ARII Trigger is designed .223/5.56. The Caliber Conversion Hammer spring is an upgraded Hammer Spring to achieve consistency for shooting 7.62 x 39.
You should be able to shoot steel or brass case with your Echo ARII Trigger; both work great with the installation of the Caliber Conversion Hammer Spring.
The PMAG 30 AR/M4 GEN M2 MOE is a 30-round 5.56×45 NATO (.223 Remington) AR15/M4 compatible magazine that offers a cost-competitive upgrade from the aluminum USGI. It features an impact-resistant polymer construction, easy to disassemble design with a flared floorplate for positive magazine extraction, resilient stainless steel spring for corrosion resistance, and an anti-tilt, self-lubricating follower for increased reliability.
Sold only as a set of 2 pins
This is a standard full-auto M16 cut bolt carrier. It is designed to function with the Echo AR-II and the Echo Sport.
Faxon Ultra Light 14.5″ Rifled Barrel: with 2″ Permanently attached Slim 3 Port Brake, 5.56 NATO, 4150, Nitride
Our pencil barrels are the lightest in the industry. Don’t take just our word for it, major companies like Robar, 2A Armament, and others choose Faxon pencils for their ideal balance of weight and performance. We’ve taken them a step further, adding in our patent-pending permanently attached SLIM muzzle devices. Shooters can choose from a 3 port muzzle device or …
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