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AR15.COM
12/10/2025 9:57:35 AM EDT
Word on the street is that the "new" gun law SB 25-003 removed the grandfather clause for magazines above 15rd.

I am still researching this, I am not a lawyer but I noticed that a shop that sold unaltered standard capacity magazines has started altering them to be 15rd capacity, so that seems to lend credibility to the rumor.
Patriots are ordinary men who rise up to do extraordinary things in troubled times.

Pro-abortion is the radical idea that an innocent life is the only one worth taking.
12/10/2025 5:33:56 PM EDT
[Last Edit: cmeyer001][Edited] [#1]
Actual Bill as signed into Law ( PDF )

relevant text related to magazines is


18-12-302. Large-capacity magazines prohibited - penalties -
exceptions. (1) (a) Except as otherwise provided in this section, on and
after July 1, 2013, a person who sells, transfers, or possesses a
large-capacity magazine commits a class 2 CLASS 1 misdemeanor.
View Quote


Colorado 18-12-302 - Original Magazine Restriction

however looking at more of 18-12-302 we see the following:


(2)
(a) A person may possess a large-capacity magazine if he or she:
(I) Owns the large-capacity magazine on July 1, 2013; and
(II) Maintains continuous possession of the large-capacity magazine
View Quote


So, they just struck the on and after language as that date is now in the past. When the section was originally passed it was a future date.

Possession of legacy magazines is not affected.
12/11/2025 8:51:52 AM EDT
[#2]
Quote History
Originally Posted By cmeyer001:
Actual Bill as signed into Law ( PDF )

relevant text related to magazines is



Colorado 18-12-302 - Original Magazine Restriction

however looking at more of 18-12-302 we see the following:



So, they just struck the on and after language as that date is now in the past. When the section was originally passed it was a future date.

Possession of legacy magazines is not affected.
View Quote View All Quotes
View All Quotes
Quote History
Originally Posted By cmeyer001:
Actual Bill as signed into Law ( PDF )

relevant text related to magazines is


18-12-302. Large-capacity magazines prohibited - penalties -
exceptions. (1) (a) Except as otherwise provided in this section, on and
after July 1, 2013, a person who sells, transfers, or possesses a
large-capacity magazine commits a class 2 CLASS 1 misdemeanor.


Colorado 18-12-302 - Original Magazine Restriction

however looking at more of 18-12-302 we see the following:


(2)
(a) A person may possess a large-capacity magazine if he or she:
(I) Owns the large-capacity magazine on July 1, 2013; and
(II) Maintains continuous possession of the large-capacity magazine


So, they just struck the on and after language as that date is now in the past. When the section was originally passed it was a future date.

Possession of legacy magazines is not affected.

Thank you for this breakdown.

The new law is bad
Patriots are ordinary men who rise up to do extraordinary things in troubled times.

Pro-abortion is the radical idea that an innocent life is the only one worth taking.
1/18/2026 5:28:23 PM EDT
[#3]
Someone correct me if I'm wrong.

I ran SB25-003 (now C.R.S. 18-12-116) through AI because I'm having a hard time understanding it all.

After Aug 1, 2026, Colorado will require a state eligibility card + training in order for a civilian to legally buy/receive a "specified semiautomatic firearm".  

However, it also makes it illegal for any CO private seller to sell or transfer those firearms to an in-state private party.  After that date, a private seller will only be allowed to sell to:

- an FFL, or
- an out-of-state resident.

That means private party in-state sales are gone, even if the buyer has the eligibility card and training. You can't just meet at an FFL for a transfer anymore, because the law prohibits the seller from selling to an in-state private party.

I thought private party sales of these rifles could continue as normal if the buyer had the permit, but that doesn't seem to be the case.  Am I the only one who missed that?
1/19/2026 4:59:26 PM EDT
[#4]
I think private party sales via FFL are still ok, read sections 2 - 3 - e.



(2) ON OR AFTER AUGUST 1, 2026, IT IS UNLAWFUL FOR ANY PERSON
TO KNOWINGLY MANUFACTURE, DISTRIBUTE, TRANSFER, SELL, OR PURCHASE
A SPECIFIED SEMIAUTOMATIC FIREARM; EXCEPT THAT A PERSON MAY SELL
OR TRANSFER A SPECIFIED SEMIAUTOMATIC FIREARM TO AN INDIVIDUAL
RESIDING IN ANOTHER STATE OR A FEDERALLY LICENSED FIREARM DEALER.
View Quote


(3) SUBSECTION (2) OF THIS SECTION DOES NOT APPLY TO:
View Quote




(e) THE TRANSFER OR SALE OF A SPECIFIED SEMIAUTOMATIC FIREARM
TO, AND RECEIPT OR PURCHASE OF A SPECIFIED SEMIAUTOMATIC FIREARM
BY:
(I) A PERSON WHO:
(A) COMPLETED A HUNTER EDUCATION COURSE CERTIFIED BY THE
DIVISION OF PARKS AND WILDLIFE, AS DESCRIBED IN SECTION 33-6-107 (8),
AND, WITHIN FIVE YEARS BEFORE MAKING THE PURCHASE, COMPLETED A
BASIC FIREARMS SAFETY COURSE DESCRIBED IN SUBSECTION (5) OF THIS

SECTION;
(B) WITHIN FIVE YEARS BEFORE MAKING THE PURCHASE, COMPLETED
AN EXTENDED FIREARMS SAFETY COURSE DESCRIBED IN SUBSECTION (5) OF
THIS SECTION; OR
(C) COMPLETED AN EXTENDED FIREARMS SAFETY COURSE MORE
THAN FIVE YEARS BEFORE MAKING THE PURCHASE AND COMPLETED A BASIC
FIREARMS SAFETY COURSE WITHIN FIVE YEARS BEFORE MAKING THE
PURCHASE;

View Quote
1/19/2026 9:46:09 PM EDT
[#5]
Quote History
Originally Posted By cmeyer001:
I think private party sales via FFL are still ok, read sections 2 - 3 - e.
View Quote

I’m reading it differently. Subsection (2) applies to private sellers, and it only allows them to sell to:
- an out-of-state resident, or
- an FFL.

Subsection (3)(e) doesn't expand seller options — it only defines eligible buyers. It doesn't override (2), because it doesn't add "in-state private parties" to that list.

So even if a buyer qualifies under (3)(e), the private seller would still be violating (2) by transferring to them in-state.

But again, I may be wrong.  Are there any lawyers or dealers who can make sense of this?
1/20/2026 8:48:51 AM EDT
[#6]
Covered under subsection 2 does not apply to the entity described in subsection e component.

Private party sales are fine as long as buyer and seller have the courses and certs.
1/20/2026 11:22:29 PM EDT
[#7]
Quote History
Originally Posted By cmeyer001:
Covered under subsection 2 does not apply to the entity described in subsection e component.

Private party sales are fine as long as buyer and seller have the courses and certs.
View Quote

I'm just not sure that's correct. I guess we'll have to see how it actually plays out after 1 Aug.
1/22/2026 12:54:47 PM EDT
[#8]
Quote History
Originally Posted By Kalmah:

I'm just not sure that's correct. I guess we'll have to see how it actually plays out after 1 Aug.
View Quote View All Quotes
View All Quotes
Quote History
Originally Posted By Kalmah:
Originally Posted By cmeyer001:
Covered under subsection 2 does not apply to the entity described in subsection e component.

Private party sales are fine as long as buyer and seller have the courses and certs.

I'm just not sure that's correct. I guess we'll have to see how it actually plays out after 1 Aug.


It is correct. SB25 allows private party transfers of semi-auto weapons in CO as long both parties have all the state mandated notes and training.

Based on the final version of Colorado's SB25-003, signed into law on April 10, 2025, the legislation restricts rather than allows the unrestricted private party sale of most semi-automatic rifles.

Starting August 1, 2026, the law prohibits the knowingly manufacture, distribution, transfer, sale, or purchase of "specified semiautomatic firearms" (which includes most semi-automatic rifles with detachable magazines) unless strict conditions are met.

Key details regarding private sales under SB25-003:





  • Permit Requirement: To acquire a "specified" semi-automatic firearm, an individual must obtain a permit, which requires a background check and completion of a mandatory 4-hour, in-person firearm safety training course.


  • Transfer Restrictions: While private transfers (individual to individual) are not completely banned, they are subjected to the same requirements as dealer sales (background checks, permit, training)..


  • Exemptions: The law does not apply to firearms with fixed magazines (15 rounds or less), manually operated firearms, or specific older, listed models (e.g., certain Ruger Mini-14, Remington models)..


  • Transfers to Heirs: The law does not impact transfers that occur by operation of law or because of the death of a person. .




Therefore, private party sales of affected semi-automatic rifles must comply with the new permitting and safety training regulations starting August 1, 2026.

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