Shield Arm's steel mag catch is optimized to work with the Shield Arms S15 magazine. While it remains compatible with plastic OEM magazines" it can cause increased wear on plastic mags with prolonged use" and OEM mags may not drop free. Shield Arm's does not recommend using their steel mag catch with plastic OEM mags. They recommend steel on steel or plastic on plastic. If you have a first generation aluminum mag catch" it may not work with gen 2 S15 mags. Shield Arm's recommends upgrading to one of their steel catch offerings.
Machined from billet aluminum
Type 2 anodized
Contoured for increased grip when coupled with the S15 magazine and the S15 +0 base plate
Made in the USA
Fits Gen 1 and Gen 2 (ambi) S15 magazines, optimized for Gen 2 mags
Not compatible with some frame modifications
Stock Notice: This item is NOT marked "In Stock". We will contact you within 12-24 hours by email if your order is on backorder with our distributor and will take longer than the 5-7 business days it takes us to ship out. Please do not order if you need this item shipped immediately.