We carry a complete line of most current production and post production FN America firearm parts. Now available the Extended Magazine Release Button and the Extended Charging Handle. I meant the factory one, but I found it. Just Right Carbines Gen 3 JRC Take Down Rifle9mm 17 in. This could happen for a several reasons, including no shared cipher suites. Just Right Carbines Takedown Gun Sling Pack For JR Carbine Takedown Gun Black JRC-TD-SP-BLK. Just recently I decided to make some upgrades. Shooting Surplus. We found online there are a number of aftermarket parts for the PC Carbine such, as extended-magazine-release buttons and a rear sight Picatinny rail mount (taccom3g.com) and trigger-spring kits (mcarbo.com). We set the charging handle on the left side because most users were right handed, and this provides good leverage to rack the bolt. Also, I've owned mine for a couple of years now and I love it. They replaced everything except the quad rail, adjustable stock and receiver. About halfway through my 9mm AR build, but just "discovered" the JR 9mm carbines a few days ago. However, experimenting with my own magazines with the sample rifle disclosed some interesting facts about how various sorts of mags interact with the JRC. So..we have suggested the ALG triggers. It does all this and does it at a very reasonable price. 3 Image (s) 2 GLOCK 17 Magazine 19 26 34 KEL TEC 9mm Magazine ( 33rd ) MAG KELTEC Sub 2000 - Just Right Carbine. Black Threaded M&P $655.00 Add to Compare Just Right Carbines Gen 3 JRC M-Lok Rifle 9mm 17 in. Finish/Color:Black '; localizedErrMap['generic'] = 'This field is invalid. //