Is the OAL of an SBR Measured with the Stock Fully Extended or Collapsed?
In a previous blog article we discuss the process to measure the overall length (OAL) of your SBR for the ATF Form 1. However, we still frequently get asked what the OAL of your SBR actually means. When you are measuring the OAL of your SBR, for your ATF Form 1 or your ATF Form 4 you will need to measure the total length of your SBR with the stock fully extended. If you have any removable muzzle devices you will need to remove them, when measuring your SBR. Since the muzzle device is removable, the muzzle devices are not considered to be a part of the OAL of your SBR.
Other NFA Gun Trust and ATF Related Blog Posts
ATF Proposes to Remove CLEO Notification Under the NFA
Removing CLEO Notification Under the National Firearms Act ATF is proposing to remove the requirement for an applicant to forward to the Chief Law Enforcement Officer (CLEO) of his or her locality ...
ATF Proposes New Fingerprint and Photograph Requirements
View Proposed Rule Here. SUMMARY: The Bureau of Alcohol, Tobacco, Firearms, and Explosives (“ATF”) proposes amending regulatory requirements to submit fingerprints and photographs with firearms ap...
Current ATF Processing Times - May 2026
ATF Form Processing Time Paper Application Processing Time eForms ATF Form 1 33 Days 62 Days ATF Form 3 8 Days 1 Days ATF Form 4 63 Days 8 Days ATF Form 4 Trust 25 Days 25 Days AT...