Allows use of all 1911 GM pistol grips on AR-15 and AR clones No grip modifications required, unlike the plastic product offered elsewhere Allows proper function of safety selector switch Made in the USA Durable CNC machined billet aluminum constructionThe ICD AR-1911 Grip Adapter allows you to enjoy the grip angle and familiar feel of the venerable 1911 Gov't Model pistol. Unlike other offerings available on the market, this grip adapter doesn't require trimming of the left hand grip to allow the safety to function properly. Made in the USA. Accepts all 1911 Full Size and Commander grips. Supplied with 6-32 fasteners.